Who’s Doing What with 40G, 100G

Infinera’s NXTcomm 100G Demo

The Infinera demo at NXTcomm actually included a variety of vendors.

It included what vendor participant Ixia said was the first implementation of the Multi-Lane Distribution (MLD) protocol architecture, which that company said bonds multiple physical lanes into a single, logical 100G link. This is based on the 100G Physical Coding Sublayer (PCS) baseline proposal the IEEE 802.3ba task force approved in May.

The Avago part of the demo showed a 100G short reach link consisting of a 10-channel optical transmitter and receiver pair.

Meanwhile, a 100G Tributary Adapter Module (TAM) interface on Infinera’s gear put the signal onto the transport network using Infinera’s Digital Virtual Concatenation (DVC) protocol, which sent it across 10 optical wavelengths at 10gbps each.

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