About the Author
David Allan is a Distinguished Engineer at Ericsson and a former Distinguished Member of Technical Staff at Nortel. He is the holder of some thirty patents in telecommunications, including several for the co-invention of technology fundamental to 802.1aq and 802.1Qay. In addition, he co-chairs the End-to-End Architecture Committee of the Broadband Forum, which recently honored him as a Distinguished Fellow.
Nigel Bragg has spent twenty years in the telecommunications industry, thirteen of them with Nortel—where he was elected a Nortel Fellow in 2008—before joining Ciena where he works on packet transport and Carrier Ethernet technologies. He holds over thirty patents and is a co-inventor of PBT and PLSB, the pre-standard predecessors of PBB-TE and SPBM.