Method for maintaining virtual local area networks with mobile terminals in an ATM network
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United States of America Patent
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Mar 21, 2000
Grant Date -
N/A
app pub date -
Nov 12, 1996
filing date -
Nov 12, 1996
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Abstract
A method and system are provided for implementing virtual local area networks (VLANs) over ATM using LAN over ATM emulation technology. Server nodes which provide address registration/resolution and which enable multicast and broadcast routing on each VLAN are interconnected into multiple trees. The root server nodes of each tree are interconnected according to a hypercube topology. Data structures for maintaining the locations and routing information of mobile terminals is provided. Methods for constructing and updating the data structures when a mobile terminal moves from location to another also provided. Methods are also provided for routing packets using the data structures to and from mobile terminals.
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