An Overview of Routing Theory Jim Binkley
Jim Binkley
IP Routing
Jim Binkley
Portland State University
1
An Overview of Routing Theory
Jim Binkley
issues; e.g., congestion
? algorithms: vector-distance vs link-state
? some
2
? static vs dynamic, flooding, tunnels, control theory
and scalability
? basic tools & ideas & attributes
? topologies
Routing Theory
Jim Binkley
3
- finding a path from one end to the
other for a packet
? we need one or more algorithms that are
most likely distributed amongst a set of
hosts and router
? what are the properties of said algorithm?
? what issues affect it?
? routing
fundamental ideas
Jim Binkley
4
protocols that allow info to be
gathered and distributed - routing agents
communicate with these protocols
? routing algorithms - may be distributed,
use protocols and data to determine and
disseminate paths
? routing databases (tables in routers)
(to boardwalk, via new jersey, $100)
? routing
elements of a routing scheme
Jim Binkley
e.g., all these routers are controlled by
Joe Bob Inc, run OSPF
5
a routing domain == set of routers under same admin running
same routing protocol
a routing domain
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