commit 7727767ead7c29bd0adacbda7c50f2ac2585bd80
author Charles Chan <rascov@gmail.com> Tue Oct 20 16:24:19 2015 -0700
committer Gerrit Code Review <gerrit@onlab.us> Thu Oct 29 21:16:45 2015 +0000
tree 9e78dfbbf70c2deb1eff7b8009819bdb844789be
parent 7c305379f123ea71c5a8d95af224a25ff5789cb6

[CORD-46] Create a broadcast group for each subnet

DONE
- Expose subnet-to-ports information from DeviceProperties and DeviceConfiguration
- Create subnetNextObjectiveStore to store <DeviceId, IpPrefix> to nextId mapping
- Implement broadcast NextObjective in SpringOpenTTP
      Use ALL group type to achieve broadcast

TODO (not in this submission)
- Push ARP table for a host when its location is learned
- Push default ARP table miss rule. Action = to the broadcast group

Change-Id: I2de28095e85289e75af3fc7a02c811b270b342ad