Patent ID: 6163541
Filing Date: 2000-12-19
Classification: H04L,H04Q

Abstract:
A system for transmitting over virtual channels, in an asynchronous transfer mode, data received in the form of data packets each of which data packets includes a respective destination address, said system also emulating the operation of a plurality of emulated local area networks and comprising:an address look-up database containing entries accessible in responsible to the respective destination address of a data packet;means for providing data defining for each of said data packets a respective one of a plurality of levels of priority; random access memory for maintaining a plurality of pointer tables, one for each of said plurality of levels or priority;wherein each of said entries in said data base is associated with a plurality of pointers, one in each of said pointer tables, each of said pointers in said pointer tables indicating a virtual channel in said asynchronous transfer mode for the transmission of data packets having the respective destination address and the respective one of said levels of priority.