Ospf

Some articles on ospf:

Open Shortest Path First - Applications
... OSPF was the first widely deployed routing protocol that could converge a network in the low seconds, and guarantee loop-free paths ... use the features of the now-efficient implementations of OSPF, after first considering the pros and cons of IS-IS in service provider environments ... As mentioned, OSPF can provide better load-sharing on external links than other IGPs ...
Near-Term Digital Radio
... The NTDR routers also use a variant of Open Shortest Path First (OSPF) that is called Radio-OSPF (ROSPF) ... ROSPF does not use the OSPF hello protocol for link discovery, etc ... Instead, OSPF adjacencies are created and destroyed as a function of MANET information that is distributed by the NTDR routers, both cluster heads and cluster members ...
Open Shortest Path First - Neighbor Relationships
... This detection occurs when a router identifies itself in a hello OSPF protocol packet ... OSPF uses both unicast and multicast to send "hello packets" and link state updates ... As a link state routing protocol, OSPF establishes and maintains neighbor relationships in order to exchange routing updates with other routers ...
Link-state Advertisement
... (LSA) is a basic communication means of the OSPF routing protocol for the Internet Protocol (IP) ... to all other local routers in the same OSPF area ... OSPF is designed for scalability, so some LSAs are not flooded out on all interfaces, but only on those that belong to the appropriate area ...
Open Shortest Path First - OSPF Router Types
... OSPF defines the following router types Area border router (ABR) Autonomous system boundary router (ASBR) Internal router (IR) Backbone router (BR) The router type is an attribute of an ... A given physical router may have one or more OSPF processes ... This identifier must be established in every OSPF instance ...