Proactive network analysis system

Pruning of short paths in static timing verifier

Quality of service testing of communications networks

Reoptimization triggering by path computation elements

Router polling system and method

Scanning for active ATM virtual channel/virtual path identifiers

SDH transmission system

Segment performance monitoring

Serial controller

Synchronous transmission systems

System and method for analyzing communication paths in a...

System and method for collecting and presenting service...

System and method for electronically identifying connections...

System and method for electronically identifying connections...

System and method for enhanced SONET network analysis

System and method for implementing reflector ports within...

System and method for monitoring point identification

System and method for rerouting circuits on SONET and SDH...

System and method to calculate round trip delay for real...

System and method to determine connectivity of a VPN secure...