Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2007-05-01
2007-05-01
Nguyen, Hanh (Department: 2616)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S401000, C370S352000, C370S392000
Reexamination Certificate
active
10026734
ABSTRACT:
A virtual LAN (VLAN) has a number of segments connected by a connection-based network. A method for providing differentiated service to frames having different user priorities in a VLAN carries frames associated with different user priorities over different channels in the connection-based network. The connection-based network may be an ATM network in which channels are specified by a connection identifier which may comprise a VPI/VCI pair. A bridge according to the invention has one or more bridge ports. Each of the bridge ports may be associated with a VPI. The bridge ports may each be associated with a plurality of service interfaces each capable of terminating a connection in the connection-based network. The service interfaces may each be associated with a VCI. Priority tagged frames received at the bridge port are mapped to service interfaces on the basis of their user priorities.
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Mackiewich Blair T.
Tadsen Thomas
Ungureanu Radu C.
Wen Yuming
Alcatel-Lucent Canada Inc.
Nguyen Hanh
Oyen Wiggs Green & Mutala LLP
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