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What is Open Shortest Path First

Chapter 152
Encyclopedia of Information Technology Curriculum Integration
( OSPF): Protocol is a link-state, hierarchical interior gateway protocol (IGP) for network routing. An algorithm is used to calculate the shortest path tree. It uses path cost as its routing metric. Path cost is determined generally by the speed (aka bandwidth) of the interface addressing the given route.
Published in Chapter:
Wide Area Networks
Raymond A. Hansen (Purdue University, USA) and Phillip T. Rawles (Purdue University, USA)
Copyright: © 2008 |Pages: 8
DOI: 10.4018/978-1-59904-881-9.ch152
Abstract
When network services must be distributed over large geographic areas, it is essential to have an understanding of the telecommunication systems on which such distribution depends. One of the most significant differences between wide area networks (WANs) and local area networks (LANs) is the general dependency on third-party carriers to provide these transmission services. Whenever data is being sent across a WAN it must be routed between locations.
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