Invention Publication
- Patent Title: SEAMLESS HANDOFF BETWEEN WIRELESS ACCESS POINTS (APs) WITH USE OF PRE-CONVERGENCE PACKET REPLICATION
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Application No.: US17536874Application Date: 2021-11-29
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Publication No.: US20230171662A1Publication Date: 2023-06-01
- Inventor: Victor M. Moreno , Sanjay K. Hooda , Errol Fenton Roberts
- Applicant: Cisco Technology, Inc.
- Applicant Address: US CA San Jose
- Assignee: Cisco Technology, Inc.
- Current Assignee: Cisco Technology, Inc.
- Current Assignee Address: US CA San Jose
- Main IPC: H04W36/18
- IPC: H04W36/18 ; H04W36/00 ; H04W36/32

Abstract:
A wireless telemetry process (WTP) may obtain telemetry data which includes signal strength information associated with a plurality of fabric wireless access points (APs) of a network fabric. The WTP may identify that a signal strength between a current AP and a wireless endpoint is below a threshold. In response, the WTP may select addresses of a set of handoff candidate APs for the wireless endpoint based on the signal strength information. The WTP may communicate, to a map server, a message to register, as entries in a replication list, a plurality of routing locators associated with the addresses of the set of handoff candidate APs for association with an address of the wireless endpoint. The map server may notify a router of the replication list, for replicating packets intended for the wireless endpoint to a plurality of routers that are connected to the set of handoff candidate APs.
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