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- The following groups will be pre-populated in R2 at startup:
- OF select group with all ports to R0 with no MPLS label in the buckets
- OF select group with all ports to R4 with no MPLS label in the buckets
- The following groups will be pre-populated in R3 at startup:
- OF select group with all ports to R0 with no MPLS label in the buckets
- OF select group with all ports to R4 with no MPLS label in the buckets
- The following groups will be pre-populated in R4 at startup:
- OF select group with all ports to R1 with no MPLS label in the buckets
- OF select group with all ports to R1 with 100 MPLS label in the buckets
- OF select group with all ports to R1 with 102 MPLS label in the buckets
- OF select group with all ports to R1 with 103 MPLS label in the buckets
- OF select group with all ports to R2 with no MPLS label in the buckets
- OF select group with all ports to R2 with 100 MPLS label in the buckets
- OF select group with all ports to R2 with 101 MPLS label in the buckets
- OF select group with all ports to R2 with 103 MPLS label in the buckets
- OF select group with all ports to R3 with no MPLS label in the buckets
- OF select group with all ports to R3 with 100 MPLS label in the buckets
- OF select group with all ports to R3 with 101 MPLS label in the buckets
- OF select group with all ports to R3 with 102 MPLS label in the buckets
- OF select group with all ports to R1 and R2 with 100 label in the buckets
- OF select group with all ports to R1 and R2 with 103 label in the buckets
- OF select group with all ports to R1 and R3 with 100 label in the buckets
- OF select group with all ports to R1 and R3 with 102 label in the buckets
- OF select group with all ports to R2 and R3 with 100 label in the buckets
- OF select group with all ports to R2 and R3 with 101 label in the buckets
- OF select group with all ports to R1, R2 and R3 with 100 label in the buckets
Group Recovery Handler
It .This component of Segement Routing driver handles network element failures and ONOS controller failure.
- Controller failures: When a ONOS instance restarts and switches connects back to that controller, the Segment Routing driver performs a audit of existing Groups in the switch so that it pushes only the missing groups in to the switch
- Network element failures: When a port of a switch fails, this component determine all the group buckets where the failed port is part of and perform a OF "GroupMod.MODIFY" operation on all such groups to remove those buckets. As a result, there may be some empty groups (groups with no buckets) lying in the switch. Similarly when the port is UP again, this component determines all the impacted groups and perform a OF "GroupMod.MODIFY" operation on all such groups to add those buckets with the recovered ports.
OF Message Pusher
It .
Driver API
It .