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920-537 Carrier VoIP Media Gateway 15000 Operations, Maintenance and Configuration

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920-537 exam Dumps Source : Carrier VoIP Media Gateway 15000 Operations, Maintenance and Configuration

Test Code : 920-537
Test cognomen : Carrier VoIP Media Gateway 15000 Operations, Maintenance and Configuration
Vendor cognomen : Nortel
real questions : 50 actual Questions

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Nortel Carrier VoIP Media Gateway

Nortel CVAS sets the Stage for subsequent generation Media Gateway at Supercomm 2009 | killexams.com actual Questions and Pass4sure dumps

Nortel

OTC Bulletin Board : NRTLQ

Nortel

October 21, 2009 09:01 ET

New SIP-based mostly Session conscious Media Gateway Equips service providers to convey towering considerable Voice and superior IP Multimedia Securely to Subscribers

CHICAGO, ILLINOIS--(Marketwire - Oct. 21, 2009) - Supercomm 2009 panoply attendees will deserve a preview of the latest Nortel(1) (OTCBB:NRTLQ) provider VoIP and software options (CVAS) improvements that wield challenges service suppliers kisser as they expand their current VoIP networks with SIP entry from SMB and residential customers and lengthen to SIP peering across any IP entry kind - including wireline, broadband, instant and cable networks.

delivered at the Supercomm tradeshow this week, Nortel's unique edge manage Media Gateway 1000 (BCMG 1000) is an IP-to-IP session conscious media gateway that leverages Nortel's industry-leading IPR and patents to enhance service issuer competitive knowledge with the aid of enhancing voice trait and safety. The Nortel Transit and Multimedia Interconnect solution equips provider providers with advanced IP media inter-working, encryption and IP voice enhancements, which multiply the subscriber undergo and enable clients to communicate with anyone over IP, even with the other person's machine or media classification.

"As VoIP and multimedia options and applications possess develop into extra broadly deployed, service providers want aid addressing IP media impairments that possess develop into extra widely wide-spread in their multi-access networks," said Jeremy Duke, Founder and main Analyst, Synergy analysis. "This creates an rising market for session conscious media gateways dote Nortel's BCMG one thousand, which helps service suppliers to deliver communications throughout varied IP networks and multiply community satisfactory, safety and reliability."

"Nortel CVAS is investing in inventive provider choices, dote the BCMG 1000, that aid carrier suppliers multiply subscriber loyalty through offering exorbitant first-rate IP communications and safety to conclusion users," said Samih Elhage, president, CVAS, Nortel. "Nortel's BCMG is a key factor of the company's Transit and Multimedia Interconnect reply and is designed to Cut back carrier suppliers' operational expenses by means of casting off the deserve to upgrade or supplant older legacy CPE since the reply permits the connectivity to abet evolving community features. This unique product embodies over a decade of Nortel packet media gateway journey and IPR to set the stage for the subsequent technology of session watchful media gateways."

Nortel's BCMG 1000 IP-to-IP media gateway and SIP edge wield Interconnect reply offers conclusion-to-end SIP interoperability between legacy, NGN and IMS terminals, traffic policing and marking, and can provide more comfy connections. The BCMG one thousand enhances the business's Transit and Multimedia Interconnect solution and helps carrier providers' means to:

- address challenges with multi-entry IP network convergence through the utilize of powerful transcoding and media adaption innovations to enable subscribers to talk with any one over IP, inspite of the different person's apparatus or media type.

- multiply first-class of voice by means of casting off echoes, historical past noise, and different impairments.

- give protection measures to obscure hackers and other malicious use, akin to denial of service attacks, spoofing, service theft, fraud, and eaves dropping.

- allow extra deployment flexibility because it is a Linux-primarily based hardware unbiased solution and, it will probably interoperate with any standards-compliant cognomen Server, Softswitch, SIP software server and/or network media node.

- Cut back operational costs by using: disposing of the should ameliorate or substitute older legacy CPE because the solution allows the connectivity to guide evolving network; and managing an IP-IP media gateway and a session edge controller simultaneously while can freight conveniently back each functions in one.

Nortel's BCMG one thousand is presently available for consumer trials and is expected to live commonly available in the 2d half of 2010. The solution is featured alongside a number of different carrier VoIP solutions in Nortel's Supercomm sales space (#2120) in Chicago this week. For more suggestions on Nortel at Supercomm, quest counsel from www.nortel.com/routine.

Nortel has shipped more than one hundred fifteen million provider VoIP and Multimedia ports to greater than 350 wireline and instant carriers globally. in keeping with Infonetics research's simultaneous report, carrier company VoIP gadget and Subscribers Market Share, measurement, and Forecasts - 2Q09, Nortel kept its world management space for carrier softswitches with 30.2 % market share. in addition, in response to Infonetics, everything through the second quarter of 2009, Nortel kept its position as the preponderant softswitch company in both North america and EMEA. in line with Dell'Oro, Nortel has normally been ranked as the #1 international carrier VoIP and Softswitch leader given that 2002. Nortel CVAS has customer deployments in everything continents with main carriers and offers VoIP options to two thirds of IDC's global list of suitable 20 carriers (by using income).

About Nortel

Nortel can provide communications capabilities that Make the engage of enterprise Made simple a fact for their consumers. Their subsequent-era applied sciences, for each provider company and enterprise networks, guide multimedia and enterprise-crucial functions. Nortel's applied sciences are designed to back eradicate trendy boundaries to efficiency, pace and performance through simplifying networks and connecting americans to the suggestions they need, once they necessity it. For greater counsel, quest counsel from Nortel on the internet at www.nortel.com. For the newest Nortel news, debate with www.nortel.com/news.

certain statements during this press liberate may additionally accommodate phrases equivalent to "might", "expects", "may also", "anticipates", "believes", "intends", "estimates", "objectives", "envisions", "seeks" and other equivalent language and are regarded forward-looking statements or counsel under applicable securities law. These statements are in response to Nortel's present expectations, estimates, forecasts and projections in regards to the working ambiance, economies and markets by which Nortel operates. These statements are subject to censorious assumptions, dangers and uncertainties, which can live intricate to prophesy and the genuine result can live materially distinctive from these meditated in ahead-searching statements. For more information with treasure to positive of these and different elements, remark Nortel's Annual report on Form10-k, Quarterly stories on benign 10-Q and other securities filings with the SEC. except otherwise required through applicable securities laws, Nortel disclaims any intention or responsibility to update or revise any forward-searching statements, whether because of unique counsel, future events or otherwise.

(1)Nortel, the Nortel brand and the Globemark are logos of Nortel Networks.

Use of the phrases "accomplice" and "partnership" doesn't imply a legal partnership between Nortel and another birthday celebration.


GENBAND chosen to purchase Nortel’s CVAS belongings | killexams.com actual Questions and Pass4sure dumps

PLANO, Texas--(enterprise WIRE)--GENBAND, Inc., a leading developer of subsequent-generation media, session and protection gateway solutions, these days introduced that it'll purchase greatly everything belongings of the Nortel provider VoIP and utility solutions company (CVAS). The acquisition is territory to court and certain regulatory approvals in Canada, the U.S. and other jurisdictions, as well as different closing conditions.

The acquisition will combine GENBAND’s next-generation media, session and protection gateway technologies and Nortel’s softswitch, media gateway and software applied sciences, offering service suppliers a gold standard-in-class, end-to-conclusion switching and global capabilities portfolio.

“by pass of melding these market-main applied sciences into GENBAND, they are able to create essentially the most finished, necessities-based mostly switching portfolio on the planet,” mentioned Charles D. Vogt, president and chief government officer of GENBAND. “Our imaginative and prescient is to gas the business’s desired community migration direction to reducing-area IP expertise by pass of instituting open requirements, open interfaces and interoperability. No other company can live superior positioned to enable carrier suppliers a greater low-budget capacity to optimize their existing mounted TDM networks, and transition from mounted TDM to IP and from fixed to cell convergence.”

as soon as the transaction is authorized through the courts and closed, GENBAND will possess superior its analysis and building, sales, and aid operations spanning the globe. The enterprise may possess items deployed with over two-thirds of the world’s properly 100 service suppliers and will cover big markets together with fixed, mobile, cable and broadband operators. GENBAND will continue its dedication to latest company partnerships with plans to extend product, service and aid relationships following the shut of the Nortel CVAS transaction.

GENBAND has teamed with One fairness partners (OEP) and other current shareholders to secure the Nortel belongings.

“GENBAND’s acquisition of Nortel CVAS will catapult the business to the excellent of the carrier VoIP apparatus market with the aid of becoming a member of market-leading softswitches with a pacesetter in media gateways,” said Diane Myers, Directing Analyst, Infonetics. “The incontrovertible fact that GENBAND plans to hold everything of the pieces intact will change the kisser of the provider VoIP business. while Nortel CVAS’ VoIP apparatus and purposes options mesh properly with GENBAND’s portfolio, Nortel’s installed base of DMS clients is additionally a golden nugget. The legacy company is a superb hale for GENBAND on the grounds that they possess got mastered holding, supporting and migrating legacy switches to the aspect the space they are tricky to beat.”

About GENBAND

GENBAND is a global leader and innovator of subsequent technology IP media, session edge and fixed cell convergence protection options deployed in over two-thirds of the area’s one hundred biggest service providers. These excessive-efficiency gateway options are on the core of mounted and cellular networks around the world – evolving, securing and embellishing communications networks. Headquartered in Plano, Texas, GENBAND has facilities of Excellence everything over and serves valued clientele and companions in more than eighty countries. additional information is purchasable at www.genband.com.


Nortel Sells VOIP enterprise to Genband | killexams.com actual Questions and Pass4sure dumps

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Carrier VoIP Media Gateway 15000 Operations, Maintenance and Configuration

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SDN goes mobile: core concepts for mobile backhaul implementation | killexams.com actual questions and Pass4sure dumps

Telecoms.com periodically invites expert third parties to participate their views on the industry’s most pressing issues. In this post, Bill Kaufmann, Group Product Manager, SDN Planning at Coriant, explores the benefits of SDN to mobile backhaul networks and looks at best practice for implementation.

Mobile services and mobile backhaul (MBH) networks are under pressure from a variety of technology, market, and pecuniary forces.  Bandwidth demand from mobile devices (smartphones, tablets) is exploding, driven by streaming media and real-time communications applications. With LTE-A and 5G mobile user throughputs rising to 1G and beyond, it is becoming increasingly costly to backhaul everything traffic to the network core. 

A unique generation of services – and rising end-user trait of undergo (QoE) expectations – will live far less tolerant of latency and congestion.  As unique Over the Top (OTT) applications appear with increasing speed, carriers will struggle to respond on short notice to user and service demand. The predicted proliferation of low hurry sensor traffic and network attached devices for Machine kind Communications (MTC) will require ultra-high reliability connectivity to private monitoring facilities rather than traditional mobility gateways.

These trends point to the necessity for a less hierarchical, more dynamic, and performance-aware mobile backhaul network at a time when pecuniary pressures demand more efficient network utilization, more efficient network operations, and innovative unique services.  Fortunately, implementation of Software Defined Networking (SDN) in mobile backhaul networks can abet meet these challenges.

SDN Concepts

There are 3 key SDN concepts that engage substantial benefits in mobile backhaul networks:

  • Centralized Control Plane Functions. A centralized controller opens the network to unique classes of carrier service and faster upgrades since only the controller must live updated for unique functionality.  The exemplar SDN architecture for mobile backhaul will selectively centralize functions best served by a unified controller while leaving packet forwarding decisions for traffic management and resiliency, OAM and performance management, network synchronization, and  other functions within distributed network elements.
  • Open yardstick Programming APIs.  In order to back a broad variety of applications in a multi-vendor network, an open library of Application Programming Interfaces (APIs) is needed. Rather than expose everything of the complexity of the network, APIs present a simplified, absorbed view so that carrier applications can Make high-level service requests without the necessity to know path details or hardware configuration protocols. The SDN controller translates API service requests into hardware configuration commands.  As long as the northbound interface to applications is consistent, the southbound interface to network elements can live a mature, full-featured legacy protocol, such as SNMP or NetConf, or a newer protocol such as OpenFlow.  In this pass both legacy apparatus and unique network elements can become section of a common programmable network. Increasingly, carriers are realizing that such a pragmatic approach to SDN control will live essential to the evolution of existing, multi-vendor mobile backhaul networks.
  • High Performance Network Elements.  With thousands of network elements widely distributed across a geographic area, the MBH network demands high-performance infrastructure combined with low-touch management.  Even with unique SDN control and orchestration capabilities, a robust mobile backhaul network ultimately depends on high-performance network elements. Often these devices are located in remote, difficult to access, or harsh operating environments so must live built with preempt profile factors and environmental specifications.  In addition to forwarding traffic, these routers must provide performance monitoring, frailty detection alert generation, outage detection and failover.  They must track network layer performance that is then reported to the central control platforms.  Most censorious for mobile networks is the delivery of network synchronization to ever tightening standards.
  • Together, the introduction of an external control plane and programming APIs, on top of a robust network infrastructure, will enhance backhaul configurability and optimization to ameliorate flexibility and responsiveness of the mobile network.

    Implementation

    These concepts point to a distinct set of lead SDN applications for mobile backhaul networks.

    Improved Network Utilization and Operation. Excess capacity is commonly provisioned in MBH networks in the profile of protection links in case of network outages.  In addition, steady situation network traffic usage is often capped at 60-70% of total link capacity to accommodate bursty traffic patterns.  This combination of design criteria leads to networks operating at only 30-40% of potential capacity.  With SDN, unique network optimization policies such as re-routing bursty traffic to alternate paths based on congestion, or making utilize of protection paths to accommodate unpredicted bursts, can live enforced.

    Today’s mobile networks were designed to direct everything traffic to a central core, but as traffic patterns change and pass between cell sites, and as virtualized services supplant static gateways, more efficient traffic distribution to local handoff points can reduce network load to the mobile packet core.  Coriant analysis has estimated that more supple bandwidth allocation in response to application-driven traffic requirements can generate total mobile backhaul capital expenditure savings of up to 35%.  Moreover, by presenting a simplified network view to higher-level management tools, the operating cost and complexity of defining unique services and structure connectivity to unique carrier services is significantly reduced.

    Operating expense benefits from SDN will live achieved through a streamlined network management and control environment.

    Automated S1 Interface Provisioning, Re-homing, and Optimization.  The S1 interface from cell site to Evolved Packet Core (EPC) is the most fundamental LTE interface.  Today, this link is typically configured once and left in place.  Manual input by network administrators is generally required for unique service configuration or updates. Granular service configurations and circuit mappings must live input via cumbersome command line interface (CLI) or other legacy management protocols (e.g. SNMP).  Processes involving multiple configuration and management systems are difficult to adjust to unique services, and impose long service activation cycles.  Optimizing in-production services poses an even greater challenge.

    With SDN, this static deployment model can change to streamline operations and accommodate future virtual network designs and IoT services.  A dynamic path control plane can automate S1 activation to virtual gateways, spin on little cells as needed based on network usage, and optimize the S1 path in actual time based on network performance, alarms, or congestion from other sites and applications.

    More broadly, SDN automation can ensure optimal routing to maintain QoE across mobile backhaul and fixed-mobile converged networks and can live linked to on-demand service delivery.

    Network back for Distributed Virtual Gateways (Smart Mobile Cloud). In the dynamic network of the future, instead of directing traffic to one central gateway, a merge of virtual resources (EPCs, ADCs, security gateways, etc.) will live available on demand, just as virtual servers are activated in data centers today.  Virtual appliances will live distributed to more effectively cover urban metro areas, bucolic communities, enterprise customers, or dedicated IoT applications.

    To back this dynamic environment, access and aggregation networks must adjust in actual time to provide connectivity on the cruise as virtual resources are activated.  SDN-based network automation is required where destination routing using static MPLS tunnels does not provide adequate flexibility.  Using SDN, End user traffic can live re-homed toward newly activated resources, or diverted to available capacity for load balancing.

    As L4-7 functions (e.g. firewalls, NAT, DPI, load-balancing, etc.) paddle to virtual platforms, SDN can activate connectivity on-demand to unique service instances.  Ultimately, the growing distribution of services throughout metro networks will lead to intellectual IP/MPLS and virtual appliances at the edge, and a multi-layer, multi-domain SDN control structure to back a dynamic unique service environment.

    Summary

    Mobile backhaul networks are on the cusp of major re-design to back next generation wireless services.  SDN promises to Make this transition feasible along with improving utilization and user trait of experience.  While these benefits are alluring, in practical terms SDN will live implemented in networks with big amounts of legacy equipment.  The migration of legacy networks to SDN control is perhaps the most censorious technical challenge for service providers.

    With the significant capital investment and operational complexity ingrained in existing MBH networks, network planners must carefully evaluate different approaches to SDN as they undertake initial rollouts over the next 2-3 years.  Having a limpid understanding of the highest potential applications for SDN in MBH, as well as developing consistent criteria for solution evaluation, will live essential to gain maximum profit from these initial deployments.

    Bill_Kaufmann_CoriantBill Kaufmann, Group Product Manager, SDN Planning, Coriant


    Yes, Virginia, there's a CDN service for everyone | killexams.com actual questions and Pass4sure dumps

    Kyle Sisk knew exactly how his nonprofit organization could accelerate streaming educational video to its subscribers. The only problem was that he couldn't afford it, or so he thought.

    Best described as a tiny Netflix for a specialized audience, Described and Captioned Media Program (DCMP), headquartered in Silver Spring, Md., is funded by U.S. Department of Education grants to deal educational video content to K-12 students with visual and/or hearing impairments. But the organization is at the clemency of available bandwidth and a wide variety of network issues.

    As informational systems manager at DCMP, Sisk wanted subscribers to live able to access DCMP's library of 7,000-plus videos without suffering the buffering circle of death that signals network problems. From his background in video production, Sisk knew a content delivery network (CDN) could accelerate distribution by caching videos on servers on the network edge located as close to the user as possible.

    Hosting its own glance Media Server in-house for two years, DCMP's IT staff had spent hours dealing with bandwidth constraints and troubleshooting with users to try to deliver video through school firewalls, where DCMP's IP address often wasn't recognized as a trusted provider. That's when the organization decided to Look at CDNs again.

    "We assessed a lot of little CDN players because they assumed that was everything they could afford," Sisk says, although he likewise contacted cloud-based Limelight Networks, one of the larger CDN service providers, but only to deserve a baseline so he could compare it to the prices, services and geographic achieve of the smaller players.

    "In talking with [Limelight's] sales engineers, they figured out that they could actually afford it. They were shocked, to live honest," Sisk says.

    CDN market grows

    DCMP is just one of a growing number of organizations using CDN services to accelerate the delivery of content by caching it locally. And more enterprises are weighing whether CDNs could work for them.

    First created in the late 1990s, content delivery networks were originally the province of the biggest online media outlets, software distributors and e-commerce companies that wanted to deliver content as close to the user's location as possible. At the time, network bandwidth was constrained and latency was high. Akamai Technologies, the oldest cognomen in CDNs, launched service in 1999 to address destitute content delivery by placing distributed infrastructure -- often hundreds or thousands of servers -- at points of presence (POPs) or data centers around the world.

    Like getting an Amazon order delivered the same day from a local Amazon warehouse, distributed CDN architecture offloads content from the customer and accelerates its delivery by caching a copy and serving it to the user from the POP closest to them. While CDN services weren't cheap, they were a necessity for companies that depended on website performance and availability.

    With customer-facing websites now commonplace, the concept of serving content locally is flourishing. Due to the increased utilize of video, the growing digital economy and increased cloud services adoption, a number of unique CDN providers possess launched in the past five years. To compete against established companies dote Akamai, many target specific types of customers at prices lower than ever before, making CDN services affordable to the many rather than the few.

    CDNs typically address three core areas -- software, media and website delivery -- which now likewise includes mobile application delivery, says Gartner CDN analyst Lydia Leong.

    Branching out over the years, CDN providers possess likewise added complementary services that Make their value about more than speed. Options include distributed denial of service (DDoS) protection, web application firewall services, streaming video platforms, load-balancing, web content optimization and analytics. Some CDNs give customers access to their platforms, allowing developers to utilize their application program interfaces (APIs) to add features to their own applications. Others Make testing before buying smooth so businesses can remark immediately what CDN services can achieve for them.

    "CDNs possess gotten more and more economical, and they've become more cost-effective for a broader variety of companies," says Leong. "Since customers are structure applications that reside on the internet, practically any company might potentially possess necessity for [a] CDN."

    The numbers discourse to increasing interest in website acceleration services. In 2015, the global CDN services market generated almost $4 billion in revenue, which represents growth of about 13% over the previous year, according to 451 Research CDN analyst Jim Davis. By 2019, he projects CDN revenue will grow to $6.8 billion.

    CDN service prices and options

    The trick for any enterprise is finding the CDN service that fits its needs at the prerogative price.

    Traditional CDN pricing is driven by volume -- the number of viewers, the kick size of the cached content and the number of distributed locations serving it. towering volume often means towering discounts. Cloud-based CDN services are usually lower, and the more basic the service, the lower the price.

    It helps to start the CDN search process knowing how many objects might necessity to live cached, the unconcerned size of those objects and how many visitors you expect. It's likewise useful to factor in the costs the enterprise already pays to sprint its website to abet compare it to the cost of using CDN services. These include the obvious storage and server costs, along with less-obvious components dote the cost of API-driven store look-up features that using a CDN might offset.

    Akamai remains the imposing daddy of CDNs, with its own network, intellectual property, customer list that reads dote a who's who of internet companies, and services for everything CDN market segments. With longevity and 215,000 servers deployed in more than 2,000 locations, Akamai has between 50% and 60% of the market share.

    With Akamai's depth and breadth, it may sound dote other providers should pack up their tents. But customer options continue to grow.

    Some CDNs differentiate themselves on the fact that they're not Akamai, pitching themselves as "new and nimble," if smaller. Some serve specific regions; others target little and midsize businesses, or appeal to developers with their open APIs.

    The unique world of CDN competition includes providers dote Fastly with its API-driven focus; ChinaCache with extensive presence in China; CloudFlare; Amazon's CloudFront; CDNetworks; Yottaa with its mobile performance focus; and Limelight Networks' video services. The list goes on.

    A typical Akamai customer often pays from $10,000 per month and up, Leong says, usually not a small-business price. Yet Akamai sells some of its CDN services at lower prices through hosting companies or service providers. The availability of cloud-based CDNs has given accelerated content delivery a boost for companies of everything sizes, however. Cloud-based CDNs aren't as expensive to launch because they're not necessarily buying piles of their own servers. "That means you can start a CDN as if it were a software company," Leong says.

    In making their choices, businesses may not live of a size to economically utilize Akamai, but there are options, Leong says. "Because the cloud is driving unique opportunities, the digitalization of the economy is driving tremendous unique ranges of things that reside on the internet."

    Using its cloud services dominance, Amazon Web Services (AWS), as the largest cloud services provider, is driving CDN awareness (and lower pricing models). AWS makes it smooth and affordable for AWS cloud customers by integrating its cloud storage with its own CDN, CloudFront.

    While there may live reasons to utilize a more sophisticated CDN service, AWS's approach is compelling as a starting point, Leong says.

    "If you're a startup or other company delivering your online property using AWS, it makes a lot of sense in many cases to utilize Amazon's CDN," she says. "Amazon makes it easy, so more people can, in a sense, play with it to remark if it works for them."

    Testing, testing, testing

    The faculty to test CDN services in actual time and remark the immediate inequity a CDN can Make -- or not -- may live the strongest selling point for growing CDN adoption. Rather than conducting a huge request for proposal, customers can just try a CDN and remark what happens, Leong says, adding that SMB-focused CloudFlare lets users mark up and utilize it without paying anything upfront.

    "We always recommend that customers Look at CDNs by actually trying them to deserve a sense of how much caching improves performance," Leong says, adding that businesses can then rule if basic caching is enough or they necessity a more sophisticated service.

    Test results can likewise abet enterprises deserve buy-in from multiple stakeholders within their companies since CDNs don't plunge strictly under the jurisdiction or budget of networking or IT.

    Testing made the inequity for About.com, one of the oldest established web properties. The unique York-based company, launched in 1997, offers more than 3.5 million pieces of largely static content on about 1,000 topics that generate about 30 million page views a month. For years, the company assumed most of those page views came from North America, says Matt Landolf, About's director of operations.

    About.com has traditionally tested content delivery every couple of years, and the results were never compelling enough to warrant buying CDN services, so it continued to serve its content from its three POPs in San Jose, Dallas and unique York. That changed in 2012 when the team extended testing to international locations with both Akamai and Fastly.

    "We possess really imposing BGP (Border Gateway Protocol) peering and are partnered well, and they were noiseless under the imprint that most of their main audience was in North America," Landolf says. Expanding its testing to Australia and Southeast Asia showed those segments of About's audience had grown and that it could buy an unacceptable eight seconds to deserve a page served in some locations.

    "We chopped down their response time by more than half for 20% of their audience with just a quick change," Landolf says.

    About.com chose Fastly's CDN services, and uses other services from Akamai. The biggest selling point to the About.com developers and decision-makers concerned about making a imposing change was seeing how quickly they could Make changes to Fastly's global caches.

    Using Fastly's Instant Purge feature, "If there was a mistake or something unforeseen happened, you could change it and the configuration would live replicated around the world in less than three seconds," Landolf says.

    Who will buy?

    Pain points usually drive the search for a CDN service, but CDN buyers aren't easily classified. Not only achieve the types of businesses buying CDNs vary, but the stakeholders within them possess a wide achieve of roles that include network architects, network security architects, web application developers, CIOs, chief marketing officers, even individual lines of business that may possess a mobile app they want to perform better.

    Coming from a nontechnical background, Mirjana Novkovic, vice president of marketing at speakers bureau Harry Walker Agency, needed to ameliorate video delivery via the agency's website. The company represents hundreds of experts in a variety of fields -- including Bill Clinton, Henry Kissinger, Michael Eisner and Tim Berners Lee, to mention a few -- and books speaking engagements for them around the world.

    As head of marketing, Novkovic wanted to Make the 1,000 videos on Harry Walker's website load faster and play consistently for booking agents and visitors to the site who were looking for an event speaker. Her path to CDN awareness came after she watched a webcast on video platforms while on maternity leave and received a white paper from Limelight Networks about CDNs.

    After reading it, Novkovic decided to include CDNs in her video platform search process.

    "It was really a huge learning curve for me because I'm not a technical person, so they were looking for a ally that could truly live an extension of their department," she says.

    In her conversations with top video platform providers and CDNs, Limelight won hands-down for customer service and the information they provided her company. If she has a problem, Novkovic says she sends a quick email and gets one prerogative back from someone on the case. "It's a name, a person I can call. I consider that's so important. They provided more than 200% over what I was even looking for," she says.

    In the growing CDN service market, most providers present businesses content delivery services along with crossover services that include security, video and optimization. And by targeting specific businesses and making their networks more programmable, Gartner's Leong says more CDNs are addressing segments of the market that haven't been included in the past. At this point, almost any company could potentially necessity a CDN.


    NBCU Philly Stations Make imposing Leap To IP | killexams.com actual questions and Pass4sure dumps

    The unique WCAU-WWSI facility, set for a imposing opening sometime this fall, is IP-centric and is designed to not only give the two stations a more efficient space with a common technology infrastructure, but to give their personnel unique flexibility in creating content for today’s multiplatform world.

    by Glen Dickson October 11, 2018 11:23 EST

    The first thing you notice when entering Studio A at the new, state-of-the-art facility where NBCUniversal Owned TV Stations Division’s WCAU Philadelphia newscasts will soon live produced is an vast cityscape behind the anchor desk.

    Measuring 20 feet across by 10 feet high, the image is not unlike those on many TV stations these days. Except that on this one, flags are moving in a slight snap and the water of the Delaware River is flowing by on a gray, overcast day.

    “It’s a 4K LED monitor which will broadcast 4K video from a 4K camera,” explains Ric Harris, president and general manager of NBC10 and sister station WWSI (Telemundo62). “It’s going to give us the best skyline shot of Philadelphia.”

    The facility, likewise home to WWSI, offers considerable views from any of its windows. It’s located on three floors (12-14) of the 60-floor, 1,121-foot Comcast Technology focus in downtown Philadelphia.

    Inward from Studio A, you can Look across a glass enclosed, two-story atrium to remark a similar studio — just steps away — where the WWSI anchors will sit in front of another, only slightly smaller, 4K monitor.

    An open staircase just outside the entrance to Studio A descends to a large, open newsroom, flooded with daylight from the atrium’s main wall, where reporters and producers from both stations work together.

    But the actual marvel of the space may not live the architecture and interior design, but the cutting-edge fibered-linked IP infrastructure at its core.

    The open newsroom

    “I didn’t want to live restricted by traditional SDI routers, and I wanted the faculty to Put video coming in and possess it paddle anywhere else in the plant,” says Tony Plosz, WCAU-WWSI VP of engineering and operations.

    “I likewise wanted the flexibility so that staff could utilize any system, and work anywhere across the floors, or even in the field. The ‘anywhere, anything’ philosophy was really imposing in the design.”

    Having originally planned to launch in late 2017, NBCU has been letting its 2018 launch date — now set for sometime this plunge — quietly slip as engineers work to finalize software and staff gets up to hurry on updated platforms.

    “We are using the latest versions of the technologies they possess installed, and they are working now to Make certain everything works together as it should,” Harris says. “We will launch when they know it’s right.”

    The stations’ sales, traffic, finance and human resources departments have already moved in and news, creative services and engineering staff possess been splitting time between the unique space and the existing station in suburban Bala Cynwyd, which will eventually live vacated.

    “It’s been a long road, and dote any other large-scale project, we’ve made changes along the way,” says Plosz. “It’s been a lot of fun, seeing a concrete slab spin into functioning office space.”

    Integration And Connectivity

    Comcast Technology focus is sprint by NBC parent Comcast and actual estate investment trust Liberty Property Trust. Besides the stations, the other primary tenants are Comcast and a Four Seasons Hotel, which occupies the top of the building.

    LF Driscoll is the general contractor of the structure with Diversified handling the technical integration for the broadcast facility.

    The broadcast facility will accommodate about 180 employees. An additional 60 employees, such as photographers and reporters, will mostly stick to the field.

    The paddle into the unique facility is allowing NBCU to further integrate WCAU with WWSI, which it acquired in 2013. “We’re taking it another step further here, and they are truly on the same platform,” says Plosz. “They possess identical control rooms, the same technology in the studios, everything is the same. Before, so much was Put together on the fly, while here they start from complete scratch.”

    Another of the goals is to better integrate broadcast and digital production. Reporters, producers and anchors working on a exhibit assemble at a pod — one of several long narrow black tables topped by black monitors — where they can collaborate as they deserve closer to air. Steps away is the digital pod for both stations, and immediately behind that is the assignment desk.

    “It’s everything connected,” Harris says. “Weather, exhibit pods, digital, assignment desk — all within steps of walking to one another.”

    The open floor concept contrasts with the chopped-up configuration in Bala Cynwyd where Plosz says “everybody was in their own minute corner or section. There’s no hunting for someone, everything the core groups are on 12.”

    Nestled next to Studio A — and a few feet away from a reception desk — is Harris’ office. “This is a microcosm of what the station is about,” he says. “There is a sense of connectivity. My office isn’t off in the hinterlands. I’m centrally located so I possess access to their folks and the team has access to me.”

    There are three studios. The 2,600-square-foot Studio A for WCAU, a 2,400-square-foot studio for WWSI and a 1,500-square-foot auxiliary studio with a big green screen that covers the entire rear wall, giving the station the occasion to achieve plenary virtual set operation in the future.

    Plosz sees that third studio as a “really supple space” that will live used for special intelligence segments as well as being employed by creative services to produce commercials for local advertisers.

    The 13th floor houses back-office functions including sales and traffic as well as executive offices. The 14th floor contains the finance and human resources departments, a big conference room and the Central apparatus room (CER), which represents the technical guts of the facility.

    IP At The Core

    The routing core is a Cisco 100-gigabit Ethernet “Fabric for Media” architecture that links to Grass Valley IPG (IP gateway) cards, allowing the stations to buy video and “route it via IP to wherever it needs to go,” says Engineering VP Tony Plosz.

    When the stations did the technical design 2.5 years ago, Plosz opted to paddle with an IP routing core. But at that point the SMPTE 2110 yardstick didn’t yet exist, and vendors at the 2016 NAB exhibit were mostly talking about supporting the IP transport of content instead of actually doing it.

    “When they did the proof of concept with Diversified in Atlanta, it was minute different than traditional TV stations they had done,” says Plosz. “There were a lot of things that didn’t exist.”

    Since he couldn’t design a completely IP operation in 2016, Plosz opted for an IP core, with no traditional SDI router, but “off-ramps to SDI” throughout the stations’ operations. The routing core is a Cisco 100-gigabit Ethernet “Fabric for Media” architecture that links to Grass Valley IPG (IP gateway) cards, allowing the stations to buy video and “route it via IP to wherever it needs to go,” says Plosz.

    “When they first started this endeavor, they didn’t know who was making what,” says Plosz. “There was [SMPTE] 2022-6, and 2022-7, but they didn’t know what would live compatible. Over the course of two years the design changed, as even more things went autochthonous IP.”

    For example, in that time Ross Video’s graphics went from “SDI islands” to direct IP, he notes.

    The Cisco routing switches are configured in a traditional spine-and-leaf architecture, says Plosz, with distributed routing across the entire central apparatus room. That allows the station to easily plug in unique apparatus to the top of a rack and cuts down on overall cabling. There is no necessity to sprint cable to one back row, as the whole router is distributed across mulitple rack rows.

    When Plosz began looking in 2016 at broadcast vendors to back the IP infrastructure, he quickly narrowed the choices to Grass Valley and Evertz and eventually settled on Grass Valley.

    At that point Evertz already had some big IP installations at major broadcasters dote ESPN, using its proprietary ASPEN video-over-IP transport protocol.

    “They did so well before there were any standards created — they were moving IP packets and they had some ripen product,” says Plosz. “But what was the inequity between that and a traditional SDI router? They were moving IP video around, but it was noiseless done through their own switch, and you couldn’t paddle other data through it. Did I really want to supplant one proprietary router with another?”

    In the end, Plosz thought that Grass Valley had a more comprehensive long-term vision for IP routing and would “be better partners through the science project.”

    One of his design criteria was that if the station was going to build its routing on a COTS (common off-the-shelf hardware) switch, it noiseless needed the plenary back of whatever traditional broadcast vendor was interfacing with it.

    “Grass Valley is their ‘one throat to choke,’ so to speak,” jokes Plosz. “We possess a considerable relationship with Cisco, but if they possess any issues, they paddle to Grass Valley.”

    In addition to the IP gateways, Grass Valley has likewise supplied its LDX 86 studio cameras. Besides Cisco and Grass Valley, other key vendors for the unique facility include Dalet Galaxy asset management, Ross Overdrive production automation, Adobe Premiere nonlinear editing, Lawo audio processing and EMC Isilon solid-state storage.

    Fiber, Fiber Everywhere

    Being section of the Comcast enterprise means this unique facility has an incredible amount of fiber-optic connectivity. That is vital when housing a station in a skyscraper, notes Plosz, as he’s not going to space a microwave tower on the roof.

    “This structure is extremely well connected, and the levels of redundancy here are nothing short of staggering,” says Plosz. “There’s half a terabit per second of I/O in and out of this place, with two complete diverse paths.”

    WCAU-WWSI GM Ric Harris

    In all, there are 60 miles of fiber in the Comcast Technology focus with 1,100 access points. everything the major wireless carriers possess multiple transmitters in the building, says Plosz, and cellphones work even in the “deepest, darkest corner” in the parking garage.

    “It’s a phenomenal data system,” he says.

    All of the beauty cameras the stations utilize around Philadelphia now sprint on the Comcast IP network. The facility is likewise converting its studio-to-transmitter link to IP with two physically diverse 100-gigabit fiber paths.

    The transmitter site is in Roxborough, northwest of downtown.

    “There’s noiseless some microwave gear there, and a minute satellite farm,” says Plosz. “We’re going to extend their Media Fabric over fiber out to Roxborough and Make it section of their [network], an operator here could draw from there and won’t know any difference. They wouldn’t live able to achieve that  without the connectivity they have.”

    The unique broadcast facility is designed to live one of the most energy-efficient TV operations in the country. It uses heating/cooling and ventilating systems that ameliorate indoor trait and reduce noise, and incorporates other green features dote capturing natural light from its wall-to-floor windows, water and energy conservation throughout and automated window shades to reduce summer heat. The stations possess likewise tried to utilize Energy Star-compliant displays and computers wherever possible.

    The stations possess applied for an LEED Platinum certification, which if approved by the U.S. Green structure Council, would live the first time a local broadcast TV station achieves the Platinum LEED level.

    Another unique feature of the Comcast Technology focus is the sheer volume of broadcast service panels located throughout the building, including in the lobby, outside on the street, in the cafeteria and the building’s “town hall space,” and in several locations within the Four Seasons Hotel including the ballroom and restaurants on the top two floors.

    “We already handle their newsroom as a fourth studio,” says Plosz. “Now the  structure becomes that fifth studio — there are so many places to easily plug in and paddle live.”

    Kathy Haley contributed to this story.

    Tags: Adobe, Cisco, Comcast Technology Center, Dalet, Diversified, EMC Isilon, Grass Valley, IP, Lawo, NBCUniversal, unique Facilities Insider, Ric Harris, Ross Video, Tony Plosz, WCAU Philadelphia, WWSI Philadelphia


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