Maintained message delivery during routing domain migration
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United States of America Patent
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Oct 6, 2015
Grant Date -
Nov 6, 2014
app pub date -
Jul 16, 2014
filing date -
Jun 1, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
In one embodiment, an ingress device of a first routing domain in a computer network buffers received packets, and in response to receiving a request from a particular node indicating that the particular node has migrated from the first routing domain to a second routing domain, determines how to reach the particular node in the second routing domain, and forwards the buffered received packets to the particular node in the second routing domain, accordingly. In another embodiment, a device in the first routing domain migrates from the first routing domain to a second routing domain, and determines its new IP address. The device may then send a request to the first ingress router to forward buffered packets for the device to the second routing domain at the new IP address, and may thus receive buffered packets forwarded from the first ingress router at the device in the second routing domain.
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