Networking Featured Articles

Next step for MPLS is the metro edge

By Eylon Sorek Overview The maturity of Carrier Ethernet and the adoption of MPLS in the metro lend economic and technical support for an MPLS evolution to the metro edge. New deployments are...

NYSE Euronext and 100G: The drive to zero latency

By Dimple I. Amin and Andrew F. Bach Overview With a decrease of 1 ms in latency equating to up to $100 million for its trading partners, NYSE Euronext decided to launch the first commercial...

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...

An overview of VPLS

This companion article to "Multipoint PBB-TE and T-MPLS" covers the basics of virtual private LAN service as well as an overview of Hierarchical VPLS, which has been proposed as a way to...

Multiplexing streaming data in an Ethernet network

by Leo Goyette To paraphrase Mark Twain, "Reports of SONET's death have been greatly exaggerated." While Ethernet networks are undeniably gaining ground and likely represent the...

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...

Carriers tighten energy requirements in '09 and beyond

by Meghan Fuller Hanna For carriers like Verizon and Qwest, lowering their overall network power consumption achieves two objectives: It helps make them more environmentally sustainable and it is...

Clouds on the horizon

by Dave Parks There is a growing trend toward the use of cloud computing environments for application and data access and storage. From consumers moving from a desktop office suite to Google Apps,...

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...

FTTE battles for enterprise/SAN acceptance

by Stephen Hardy Overview Fiber to the telecom enclosure (FTTE) is often portrayed as an interim step toward fiber to the desktop. However, like other fiber-based architectures, its acceptance in...