Combined terminal adapter for SMDS and frame relay high speed data services
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United States of America Patent
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Oct 5, 1993
Grant Date -
N/A
app pub date -
Mar 10, 1992
filing date -
Mar 10, 1992
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A terminal adapter interfaces between a Data Terminating Equipment (DTE) and either a Frame Relay or a Switched Multimegabit Data Service (SMDS) telecommunications network so that the type of network over which the DTE is communicating is transparent to the DTE. The terminal adapter performs mapping from one protocol to another so that a native frame relay DTE can access an SMDS network and so that a native SMDS DTE can access a frame relay network. The address mapping method performed by the terminal adapter uses a parallel table look-up technique which reduces the chance of collision (when two or more addresses hash into the same table entry), eliminates the traditional comparison function to detect a collision, and eliminates the traditional pointer technique when a collision occurs.
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