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Metro Transport Networks’ Challenges and Solutions

Think of the myriad ways communication has evolved over the past decade, and even over the past few years. Information sharing has evolved in so many ways, with cloud computing, video chatting, and social media changing communication as we know it.

It’s not only our daily lives that are affected by this evolution of technology and communication; service providers and their networks have evolved, and must further evolve, as a result as well. Metro transport networks face major challenges these days.

Consider these facts*:

  • In 2012, 57% of traffic terminated in the metro
  • By 2017, 75% will terminate in the metro
  • Overall, metro traffic is projected to grow over 560% by 2017
  • The biggest drivers of this growth are video and data center/cloud traffic

Obviously, this means major challenges and changes for service providers. In order to keep up with demand while staying cost-efficient and competitive, they will have to retool or even rebuild their metro networks. So what are the best options for service providers? How will they meet these ever-growing demands without losing time or money in the process?

Some experts suggest that adding higher capacity 100G-capable transport systems is a solution, while others say that this is not an efficient solution, but rather just a fast one. Other experts are saying that to truly meet the challenge head-on, the best solution is a packet-optimized WDM platform.

This platform, they suggest, should be optimized for scalability with metro-tuned, programmable 100G and 200G options, as well as multi-layer, multi-service switching. It also must be certified for all MEF service types (E-Line, E-LAN, E-Tree, and E-Access). This, experts suggest, is the best, most efficient way for providers to prepare themselves.

Do you agree?


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