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Vxlan Overlay ECMP BFD orchagent and HW support
doc/vxlan/Overlay ECMP with BFD.md
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| - Better performance in re-programming routes in ASIC instead of separate process to monitor and modify each route prefix by updating DB entries | ||
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| ### BfdOrch | ||
| Sonic may offload the BFD session handling to hardware that has BFD capabilities. A new module, BfdOrch shall be introduced to handle BFD session to monitoring endpoints and check the health of remote endpoints. BfdOrch shall offload the session initiation/sustenance to hardware via SAI APIs and gets the notifications of session state from SAI. The session state shall be updated in STATE_DB and to any other observer orchestration agents. |
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The path from SYNCD to ORCH is quite slow, in such cases the BFD state notification from SYNCD to BFDOrch may add a delta to the desired BFD timeout. The actual BFD timeout achieved may be significantly higher than desired timeout.
prsunny
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dgsudharsan
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Sep 14, 2021
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All the comments have been addressed and need reviewer to approve |
shi-su
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Oct 19, 2021
rameshsanth
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Nov 3, 2021
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shi-su
approved these changes
Dec 4, 2021
shi-su
approved these changes
Dec 4, 2021
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