Communications network and an add and drop node
Computing a diverse path while providing optimal usage of...
Connection protection mechanism for dual homed access,...
Connection switching method and apparatus
Control architecture using an embedded signal status protocol
Control signal transferring system
Crossbar switch with communication ring bus
Data network having enhanced availability of extra traffic
Detecting and counting node port loop initialization...
Detecting unavailable network connections
Determining the position of a bad link
Deterministic network protocol
Different system transfer method for a ring transmission system
Distinguishing between link and node failure to facilitate...
Distributed packet group identification for network testing
Double ring-type local area network system capable of switching
Dual hubbed tree architecture for a communication network
Dual receive, dual transmit fault tolerant network arrangement a
Dynamic load balancing for dual ring topology networks
Efficient management of ring networks