Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Patent
1997-04-10
1999-11-23
Maung, Zarni
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
370389, 370401, 370469, H04L 1248
Patent
active
059913029
ABSTRACT:
A technique maintains priority of packets transmitted over a heterogeneous network by a hybrid node coupled to the network. The hybrid node assigns each packet a transmission priority (TP) level as it traverses protocol layers of a communications stack of the node. An application programming interface extension provides a tagging mechanism for conveying the TP levels from higher protocol layers of the stack to lower layers. The TP levels are then converted to information that is "tagged" to the packets and these tagged packets are then apportioned among a plurality of communication sessions based on the TP level assigned to each packet. The tagged packets and their associated sessions preserve the priority and order of the packets across the heterogeneous network.
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Berl Steven H.
Patel Kushal A.
Cisco Technology Inc.
Maung Zarni
Tran Philip B.
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