Transport Featured Articles

China mandates consolidation in cable system operators market

APRIL 5, 2010 By Stephen Hardy -- The cable system operators market in China, which has been characterized by players of a variety of sizes, is headed for consolidation at the provincial level....

Ethernet protection switching and OAM move from proprietary to standardized

By Morteza Ghodrat Overview In order to mirror SONET/SDH networks, Carrier Ethernet vendors developed proprietary means of providing protection switching and OAM. A new series of standards...

Roles different protocols will play in the cloud

By Todd Bundy Overview IT managers have multiple protocol options for supporting cloud computing. Settling on one may prove difficult in the near term, which means planning accordingly. The...

MSOs' metro, core test needs evolve

by Meghan Fuller Hanna Today's MSOs are taking advantage of access technologies like Switched Digital Video (SDV), DOCSIS 3.0, and RF over Glass (RFoG) to increase bandwidth to their subscribers...

PONs find niche in wireless backhaul

by Meghan Fuller Hanna OVERVIEW: PONs may provide a cost–efficient, higher–bandwidth “tweener” option for wireless operators that need more bandwidth to support emerging 3G...

Telco, MSO networks adopt similar long-haul strategies

by Meghan Fuller Hanna Overview In the past, cable operators relied on third-party backbone providers to transport traffic between their regional networks. But today's cable operators are...

Get the most from 10-Gbps to 40/100-Gbps network migration

by Olivier Jerphagnon Overview Experience suggests that the next wave of network migration will bring its share of challenges and surprises. New breakthroughs such as in-service monitoring offer a...

Connection-oriented approaches complete the Ethernet revolution

By Sam Lisle OVERVIEW As service providers move away from TDM-based networking, the need remains for a universal aggregation and transport infrastructure that connects all types of end users to...

Do you need protection and redundancy in your metro Ethernet network?

By Ole Andersen Overview A variety of standards-compliant approaches to protection are now possible, enabled by hardware-based continuity check message generators and checkers. The right approach...

Implementing cost-effective mobile backhaul services in the metro

By Mark Showalter Overview The Metro Ethernet Forum’s new MEF 22 implementation agreement paves the way for Ethernet mobile backhaul services–but doesn’t spell out which metro...