Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Patent
1997-02-14
2000-09-19
Pham, Chi H.
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
370466, 370474, H04L 1256, H04I 316, H04J 324
Patent
active
06122281&
ABSTRACT:
A packet of data is received from a LAN and transmitted over a WAN, by retaining the native LAN frame format of the packet during transmission across the WAN. Thus, LAN data may be transmitted over a SONET point-to-point link within a WAN network without the interim steps of creating ATM cells or other WAN transport packaging protocols. Instead, the LAN data may be transmitted directly over the SONET link as raw data, and reconstructed directly at the receiving end of the SONET link. A first buffer stores data from the LAN so that a corresponding packet size may be determined, and a second buffer stores data from the WAN to account for any speed difference between the LAN circuitry and WAN circuitry.
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Augusta Stephen D.
Donovan Mark J.
Oliver Christopher J.
Cabletron Systems Inc.
Nguyen Steven
Pham Chi H.
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