AT&T IP Network Performance
Data on AT&T's IP Network Performance. AT&T manages one of the Internet's backbones.
http://ipnetwork.bgtmo.ip.att.net/

Improving (network) IO performance ...
A study on how to improve network performance.
http://www.xmailserver.org/linux-patches/nio-improve.html

High Performance Wireless Research and Education Network (HPWREN)
The NSF-funded HPWREN is a non-commercial, prototype, high-performance, wide-area, wireless network in San Diego that includes backbone nodes at UCSD and several remote areas.
http://hpwren.ucsd.edu/

Network Health
CA Completes Concord Acquisition
http://www.concord.com/solutions/products/network.shtml

Internet2 End-to-End Performance Initiative
The Internet2 End-to-End Performance Initiative (E2Epi) is aimed at improving end-to-end performance in the network infrastructure by focusing resources and efforts on improving performance problem detection and resolution throughout global Research & Education networking infrastructures.
http://e2epi.internet2.edu/

The High Performance Networking Forum
Organized to promote the Gigabyte System Network (GSNTM:an HNF and High Performance Parallel Interface (HIPPI) networking and network attached storage standards. This industry-wide effort is committed to providing customers with open and interoperable GSN and HIPPI solutions.
http://www.hnf.org/

jaalaM Technologies
Provides end-to-end network diagnostic software for the analysis, testing and measuring of network performance.
http://www.jaalam.com

Global Wireless Solutions, Inc.
Provides data collection services, network performance analysis and monitoring for cellular network.
http://www.gwsolutions.com

Treno
Traceroute RENO is a network testing tool designed to test network performance under load similar to that of TCP.
http://www.psc.edu/networking/treno_info.html

Tavve--Network Management Solutions
Solutions for fault management, root cause analysis, event correlation, network topology map-building and customization, performance reporting, troubleshooting, and distributed network management.
http://www.tavve.com