High-availability packet forwarding apparatus and method

High-reliability cluster management

Hitless protection switching

Hitless switching system of ATM switch apparatus in which...

Host interface adaptive hub storage system

Hybrid ARQ for packet data transmission

Hybrid virtual private LAN extensions

IEEE 1394 gateway for fault-tolerant communication

Information redirection

Input and output side conversion interfaces for an ATM exchange

Integrated RF loopback test apparatus for redundant data...

Intelligent load balancing and failover of network traffic

Inter-ring protection for shared packet rings

Internally coupled input path redundancy

IS-IS high availability design

Keeping modems online upon N+1 switchover in cable modem...

Label switched communication network, a method of...

LAN bridging redundancy

Line accommodation device and control method thereof

Line protection switching system in duplexed fiber interface she