Introducing WDM into Next-Generation Access Networks

As access networks have struggled to keep pace with the explosion in bandwidth consumption, the number of network types and protocols have jumped dramatically, reaching untenable levels. Today, there are more types of access networks than ever before: DSL, HFC, WiFi, 3G, A/B/GPON, GE/10GEPON, WiMAX – the list goes on and on. This protocol explosion is a byproduct of the urgent response by bandwidth providers to meet surging bandwidth consumption. At the same time, revenue-per-bit is in decline. The price consumers are willing to pay for bandwidth has not kept pace, leaving bandwidth providers in a pinch.

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Technically speaking ... where the network talks

OpenFlow and SDN – The Missing Pieces in the Cloud Computing Puzzle?

Posted 09 May 2012 by Christian Illmer

Cloud Computing has been around for quite a while and even though some people considered it being just a marketing hype it seems the concept has made its inroads into corporate IT and data centers. It was once defined by the National Institute of Standards and Technology (NIST) as “Convenient, on-demand network access to a shared pool of configurable resources which include networks, servers, storage, applications and services. Read more
Mobile Traffic and the Seismic Shift

Posted 02 May 2012 by Gareth Spence

Whenever I travel, my iPhone becomes my communication workhorse: My go to device for talking to customers, to team members, to friends, to family. However, there's a definite shift taking place in how I use this device. I've just returned from two weeks in Munich and checked my usage. While away, I used only 17 minutes of traditional voice calls. However, on the data side of the house, the figures were a little higher ... Read more
Actually, Timing is Everything

Posted 19 April 2012 by Michael Ritter

The shift from voice to data-centric mobile networks has resulted in a move from traditional TDM services to a wide-scale adoption of Carrier Ethernet in mobile backhaul. Without any legacy TDM-links, however, base stations risk being isolated from traditional synchronization references. Read more

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