Patent Number: 6,311,230

Title: System and method for cell switching with a peripheral component interconnect bus and decentralized, computer-controlled cell switch

Abstract: A port card employable in a cell switch including a host computer having a processor and a bus for interconnecting a plurality of port cards and a method of switching cells in the cell switch. The port card includes: (1) bus master circuitry for gaining control of the bus to allow the port card to place cells to be switched in the cell switch on the bus and (2) interface circuitry, coupled to the local memory and the bus master circuitry, that places the cells on the bus when the bus master circuitry has gained control of the bus, the cells communicated directly from the interface circuitry to another port card in the cell switch via the bus. The processor (or, more generally, the host computer) is relieved of having to participate directly in switching the cells.

Inventors: Cochran; Robert E. (Morganville, NJ), Madden; John M. (Fairhaven, NJ), Meyer; Frederick H. (Neptune, NJ), Rhee; David R. (Old Bridge, NJ), Wilton; Arthur J. (East Brunswick, NJ)

Assignee: Avaya Technology Corp.

International Classification: H04L 12/56 (20060101); G06F 003/00 (); G06F 013/368 (); H04L 012/28 (); H04L 012/56 ()

Expiration Date: 10/30/2018