Method and system for mapping virtual connections to asymmetric digital subscriber line latency paths
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United States of America Patent
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May 28, 2002
Grant Date -
N/A
app pub date -
Mar 3, 2000
filing date -
Mar 3, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and system for mapping virtual connections to asymmetric digital subscriber line ('ADSL') latency paths. A request for virtual connection from a transport network (e.g., Asynchronous Transport Mode, Frame Relay, etc.) with a desired service category (e.g., quality-of-service) and a desired latency is mapped to an ADSL device latency interface by checking a latency mapping policy. This mapping provides a virtual connection with a desired service category and a desired latency over ADSL links. The latency mapping includes an embedded service category mapping from a transport network to latency paths at an ADSL transmission convergence sub-layer allowing differential services to be provided for user data based on a desired service category. The latency mapping mechanism may help provide use of end-to-end service categories such as quality-of-service categories, over real-time ADSL links.
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