Symmetric routing enforcement
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United States of America Patent
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Oct 31, 2017
Issued Date -
N/A
app pub date -
Mar 2, 2015
filing date -
Mar 2, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A method enabling symmetric routing between a first host within a first AS and a second host within a second AS is disclosed. The method includes detecting that a first routing message was received at an edge router of the first AS from an edge router of the second AS. The first message identifies the second host as a source and the first host as a destination of a forward route. The method further includes determining that the first message further comprises an indication to implement symmetric routing between the first and second hosts and generating a second routing message for propagating to router(s) within the first AS. The second message identifies the first host as a source and the second host as a destination of a return route, and indicates that data is to be sent via the edge router of the first AS that received the first message.
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