Network World on MPLS

AT&T upgrades entire backbone network to 40Gbps

Brad Reed — 2008-10-24T00:00:00Z

AT&T this week completed transitioning its IP traffic to a consolidated IP/MPLS backbone by deploying 40Gbps Ethernet technology over its entire U.S. ultra-long haul network.

Top Canadian ISPs offer better MPLS than U.S. counterparts, Forrester says

Brad Reed — 2008-10-17T00:00:00Z

American firms will have to go north of the border if they want to subscribe to the continent's best MPLS offerings, says a new study by Forrester Research.

AT&T snags big Boeing voice/data contract

Brad Reed — 2008-08-12T00:00:00Z

Boeing is paying AT&T $400 million over the next five years to consolidate its voice and data networks into one system that will be based on IP.

VPNs: Six burning questions

Tim Greene — 2008-07-22T00:00:00Z

VPNs are well established as essential tools for corporate communications, but they are not all created equal. Here are six questions and their answers that can help you make decisions about which VPN technology to use.

PBT vs. MPLS: What if nobody wins?

Thomas Nolle — 2008-07-22T00:00:00Z

Who wins the PBT/MPLS wars? Quite likely neither, because the fight may change how networks move data.

NATs necessary for IPv6, says IETF chair

Carolyn Duffy Marsan — 2008-07-21T00:00:00Z

We posed a few questions to Russ Housley, chair of the Internet Engineering Task Force, about why the standards body is developing network address translations for IPv6 when IPv6 was supposed to eliminate the need for NATs on the Internet. Here's what Housley had to say.

Foundry, Extreme weigh in on Carrier Ethernet

Jim Duffy — 2008-06-18T00:00:00Z

Count Foundry Networks and Extreme Networks among those marking progress on Carrier Ethernet initiatives at this week’s NXTcomm conference.

Diagnosing a recalcitrant MPLS network

Ron Nutter — 2008-05-26T00:00:00Z

Does packet filtering apply in case of MPLS? I am trying to join my main domain from a different town; I have a VPN tunnel via MPLS solution.

Lessons from leaders in telecom management

Johna Till Johnson — 2008-05-01T00:00:00Z

Last week, I mentioned that telecom managers have my deepest respect. That’s easy to say, but in this case, I really did put my money where my mouth is: Last month, my company honored 10 of the top enterprise organizations that demonstrated significant leadership when it comes to deploying communications services.

Virtualization is greatest network management challenge

Denise Dubie — 2008-04-30T00:00:00Z

NetQoS and Network Instruments polled 117 Interop attendees that visited the two vendors' booths to learn which technologies pose the biggest monitoring challenges.