----- Original Message ----- > > > Hi, > > My Name is Keshava who was talking about using IGP to learn VM prefix and > advertise to have reachability within the cloud in the last Atlanta summit. >
Is there a document that could explain the use cases for something like this? > Instead of running BGP below are the thoughts to use OSPF routing protocol > which support hierarchical network design also. > > Here are my thoughts about the same. > > > > 1. OSPF will be running in each of the Nodes under that TOR/switch for a > particular Area. > > 2. Tennant VM prefix needs to added as static route > > 3. Each of the Nodes will form adjacency with each other in that area. > > a. If it is broadcast network then of the OSPF router will become ‘Designated > router/DR’ on behalf all others in that area . > > 4. L-1 switch/Nodes acting as Area-border router ( ABR) will connect to > L2-switch which is Area-0. > > This will help for > > Route-aggregation, > > Avoid flooding of routes if any Node is going down. > > If any of the Node/Router is of higher/low capacity it is possible to say > ‘forwarding option to other router’ for egress traffic. > > > > Let us know peoples opinion about the same. > > > > > > > > > > > > Thanks & regards, > > Keshava.A > > > > _______________________________________________ > OpenStack-dev mailing list > OpenStack-dev@lists.openstack.org > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > _______________________________________________ OpenStack-dev mailing list OpenStack-dev@lists.openstack.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev