Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Patent
1998-01-15
2000-11-14
Olms, Douglas W.
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
370401, H04L 1256
Patent
active
061479926
ABSTRACT:
The present invention relates to connectionless transmission in high speed packet switching networks, and in particular to a group addressing method and system for sending a datagram to one or a plurality of destination nodes and within these nodes for duplicating the datagram and to forward it to multiple end users. The claimed invention takes advantage of a specific data transfer mode called "Remote Access to Functional Addressing" allowing the sending of a datagram to a destination node and within said node, the duplication of said datagram for a transmission towards multiple destinations. By distributing, maintaining and using the required addressing information corresponding to these multiple destinations within the node, the claimed group addressing method and system reduce to a minimum, first, the overhead usually associated with multicast operations in connectionless services, and second, the required amount of manual resource definition as in a given node, only local end users of said node have to be manually defined (unless the connectionless protocol allows for some form of automatic discovery of local resources).
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European Search Report.
Brue Rachel A.
Giroir Didier
Nilsen Boerge
International Business Machines - Corporation
Olms Douglas W.
Vanderpuye Ken
Woods Gerald R.
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