Data in motion

Metropolitan network News

  • April 01, 2015 01 Apr'15

    News recap: Verizon plans 100G optical metro network

    In telecom news, Verizon announced plans to build a 100 Gbps optical metro network with equipment from Cisco and Ciena, while the FCC proposed a spectrum-sharing plan for broadband providers.

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  • Content delivery networks smooth the way for rich media

    Content delivery networks, or CDNs, have been available since the '90s but have evolved to improve access to Internet-based video, business-critical applications and online transactions for customers using any kind of device. While CDNs still provide content distribution, aggregation and management, next-generation CDNs now offer critical capabilities like content optimization, improved security, CDN analytics, monitoring, digital rights management and video streaming.

    The CDN market is predicted to grow dramatically. This three-part guide explains the technology's growing importance and how enterprises can benefit from its use. We look at the traditional uses of CDNs, the new missions CDN providers are taking on, and we compare its capabilities with traditional cloud services.

    Understanding how CDN works with emerging technologies like software-defined networking and network functions virtualization is also important for networking professionals, especially when it comes to making multimedia content available via mobile connections.

    This is vital information for network pros, whether they've yet to embrace content delivery networks or need to understand the latest capabilities.

     Continue Reading

  • Metro Ethernet

    Metro Ethernet is the use of Carrier Ethernet technology in metropolitan area networks (MANs)... (Continued) Continue Reading

  • MAE

    A MAE (pronounced MAY), originally an abbreviation for Metropolitan Area Exchange and now a service mark of MCI WorldCom, is a major center in the United States for interconnecting traffic between Internet service providers (ISPs). Continue Reading

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  • IP over dense wave division multiplexing (DWDM): Metro and core issues

    Providers pressured to increase network throughput while reducing costs can look to IP over DWDM in some metro network situations, such as saving money on residential Internet backhaul. IP expert Ivan Pepelnjak also walks you through the complexities of making optical interfaces work in the core and the continuing need for end-to-end management systems. Continue Reading

  • VoIP service selection: MPLS, VPLS or Metro Ethernet?

    Creating secure, reliable VoIP connections over a multi-site enterprise network requires knowledge of your specific infrastructure. Multi-Protocol Label Switching (MPLS), Virtual Private LAN Service (VPLS) and Metropolitan Ethernet (Metro Ethernet) all deliver connectivity with QoS, but determining which one will best serve your VoIP network requires a solid understanding of the features each provides. Continue Reading

  • What makes a WAN different from a LAN and MAN?

    Learn the basics of networking in this expert explanation of the differences between WANs, LANs and MANs -- how they connect and which protocols they use. Continue Reading

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