LAN with interoperative multiple operational capabilities
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United States of America Patent
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Apr 16, 1991
Grant Date -
N/A
app pub date -
Nov 14, 1988
filing date -
Nov 14, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Two different communication protocols are interoperatively combined for use in a local area network (LAN). An enhanced protocol can be selected as an alternative to a common protocol during communication between enhanced nodes of the LAN. Signals communicated between nodes of the LAN in the first and second protocols create the appearance of valid activity in both protocols, and always communicate at least some valid information in one of the protocols and selectively communicate additional valid information in a second protocol. Preferably the signals applied in the second or enhanced protocol include signals which are inserted in such a way that they are transparent to the first protocol. Improved network management capabilities and data transfer rates are available as a result of the information communicated in the second protocol.
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