Hi, experts
I have some questions about OpenFlow forwarding operation in ODL.
In OpenFlow forwarding operation, it can be possible to controllers and
switches are configured to reactively forward packets.
In such that case, suppose the topology as below
[C1 - C2 - C3] (Cluster)
| | |
H1- S1 - S2 - S3 - H2
1)In generally, when i generate flows from Host1 to Host2 [route :
H1->S1->S2->S3->H2]
2)S1 sends Packet_In message to C1 and C1 installs the flow table to S1
and S1 will forward packets to S2.
3)My question is that "B*y using controller to controller or other
messages, i**s it possible that C2 and C3 proactively install flow-table to
S2 and S3 respectively in response to S1's Packet_In message ?*"
4)I think, applying proactive mode to intermediate nodes like S2,S3 is more
efficient.
Thanks in advance
Seokwon
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