Provide graceful-restart and long-lived graceful-restart support

Registered by Ananth Suryanarayana on 2016-12-21

In Release 3.2, support to Graceful Restart (GR) and Long Lived Graceful Restart (LLGR) helper modes to contrail-controller was provided. (https://github.com/Juniper/contrail-controller/wiki/Graceful-Restart)

In Release 4.0, this shall be extended to agents also. Agents would cache configuration and operational data in non-volatile memory and use the same to reconstruct its state after graceful restart. This helps in minimizing loss for existing traffic flows.

Agent spec
https://github.com/Juniper/contrail-controller/blob/master/specs/agent-resource-manager.md

Blueprint information

Status:
Started
Approver:
Nischal Sheth
Priority:
Medium
Drafter:
Ananth Suryanarayana
Direction:
Approved
Assignee:
Ananth Suryanarayana
Definition:
Approved
Series goal:
Accepted for trunk
Implementation:
Beta Available
Milestone target:
milestone icon r4.1.0.0-fcs
Started by
Sachin Bansal on 2017-07-21

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