[doc] Detailed design update for Fast Path

sonic-net / DASH

Disaggregated APIs for SONiC Hosts

Apache License 2.0

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[doc] Detailed design update for Fast Path #502

Closed r12f closed 5 months ago

r12f commented 6 months ago

This change updates the current documents with following changes:

Detailed SAI API design for Fast Path.
Moved the fast path packet format into part of the SAI API design, because it is implemented as part of the SAI implementation.
Updated the packet format for correctness.
Renamed the doc name from load balancer to more scoped to fast path, since it is not a load balancer implementation but a partial feature inside a load balancer, used only for redirect flows.

r12f commented 6 months ago

After today's DASH meeting, multiple people shared the concern of the counter resource usage (including myself), so I am going to update the counter id to SAI stats semantics.