Intradomain Routing: OSPF
In this lesson we'll study the OSPF protocol.
We'll cover the following...
Intradomain Routing
Intradomain routing protocols have two objectives:
- They distribute routing information that corresponds to the shortest path between two routers in the domain.
- They should allow the routers to quickly recover from link and router failures.
OSPF
Open Shortest Path First (OSPF), defined in RFC 2328, is one of the link-state routing protocols that has been standardized by the IETF.
Hierarchical Routing
A domain can consist of thousands of routers. In such a large network, exchanging link-state information, building a global view of the network, and efficiently handling changes in the network becomes unscalable. ...