Thomas Lee Watson

Highly-available OSPF routing protocol

Parallel processing computer system having shared coherent memory and interconnections utilizing separate undirectional request and response lines for direct communication or using crossbar switching device

Parallel processing computer system interconnections utilizing unidirectional communication links with separate request and response lines for direct communication or using a crossbar switching device

System and method for router virtual networking

System and method for router keep-alive control

Scalable parallel processing systems wherein each hypernode has plural processing modules interconnected by crossbar and each processing module has SCI circuitry for forming multi-dimensional network with other hypernodes

System and method for router connection protection switching

Avoiding mapping conflicts in a translation look-aside buffer

System and method for routing IP packets using an optical core

Verfahren und Vorrichtung zur Ersatzschaltung von Router Verbindungen