Monday, January 15, 2007

BT signs up Nortel and Siemens for PBT

In a widely expected move, British Telecom signed deals with Nortel and Siemens for Provider Backbone Transport (PBT) based metro ethernet switches. PBT is a very new and unstandardized option over MPLS for carrier ethernet.

BT is the first to support this technology and it is expected that companies like Verizon will show interest soon. This deal may be a big turnaround for Nortel as it was one of the pioneers for PBT and competing companies like Cisco and Juniper are yet to enter the fray.

PBT is a technology to provide an end-to-end virtual connection over a network, so that Quality of Service (QoS) features and Service Level Agreements (SLAs) may be made available. A great insight into this technology is available here.


Anonymous said...

Interesting to see that Siemens is implemeting PBT rather than Extended VLAN Cross Connect...

They have been promoting VxC against PBT so it means they probably moving out of it.

Anonymous said...

yeah, siemens is a surprise. nortel was championing PBT all along the way.