As we talked about, LSRs(P routers) are not service avare, they do not know anything about services. So they use only the outer label. But PE routers are service avare …
Before discussing the CE-LDP, lets explaint “constraint-based routing” term. “Contraint-based Routing” is the routing which in which the routing process is done according to some constraints. Both QoS-based routing and …
