BGRP Basics
Runs between Border Routers
Reserves for Unicast Flows
Aggregates Reserv地s into Sink Trees
Delivers its Messages Reliably
3 Major Messages
- Probe: source to dest地; reserv地 path discovery
- Graft: dest地 to source; reserv地 establishm稚 & aggreg地
- Refresh: adjacent routers; reserv地 maintenance