Patent ID: 6590896
Filing Date: 2003-07-08
Classification: H04L,H04Q

Abstract:
An ATM communications system for transmitting ATM cells of an ATM cell stream, said ATM cell stream comprising data packets packed into ATM cells or ATM communications networks formed by ATM communications systems,said ATM communications system comprising the following items for the transmission of ATM cells related to Internet data packets: a cell identification routine for selecting said ATM cells related to Internet data packets from said ATM cell stream, an Internet packet header routine for finding Internet data packet headers from said ATM cells related to Internet data packets, an extractor routine for extracting destination address information contained in said Internet data packet headers, a routing unit for deriving derived routing information from said destination address information, and an insertion component comprising a cell header converter, a cell memory, and an insertion routine wherein said insertion component inserts said derived routing information into each said ATM cell of an Internet data packet, for transmission via the ATM communications network, wherein base transmittal components are comprised of said cell identification routine, said Internet packet header routine, said extractor routine, said insertion component, and said routing unit.