Nortel Networks Inc. in Brampton, Ontario, revealed a new class of optical switches for the ever-more-attractive metropolitan-area network market on Monday, touting the switches’ power to cut carriers ...

Cisco Systems Inc. last week announced a pair of switches that support Ethernet-based metropolitan-area networks and are aimed at network service providers looking to offer new capabilities to their ...

This has been a historical problem with Ethernet services. Ethernet is a “fat” protocol with lots of overhead per PDU. However, overhead only matters when bandwidth is limited and/or expensive, so ...