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- Fisheye State Routing (FSR) is a proposal for an implicit hierarchical routing protocol targeted to ad hoc networks. The basic principles of FSR are shared with other proactive, link-state routing protocols. In proactive link-state protocols every network node constantly updates a topology map that makes it possible to compute the shortest path (and thus the next hop) to any destination in the network. The originality of FSR is inspired by the "fisheye" technique to reduce the size of information required to represent graphical data: The eye of a fish captures with high detail the pixels near the focal point, while the detail decreases as the distance from the focal point increases. In routing, the fisheye approach translates into maintaining an updated information set about distance and path quality information for the immediate neighborhood of a node, against a progressively less updated information as the distance increases. Fisheye represents a valid trade-off between the accuracy of the routing function and the overhead due to the generation of control messages by the routing protocol. FSR was never released to the public as a stand-alone routing protocol, and its specification was never finalized. The base principle was included in the widely used OLSRd daemon (an open source implementation of the OLSR routing protocol). (en)
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- Fisheye State Routing (FSR) is a proposal for an implicit hierarchical routing protocol targeted to ad hoc networks. The basic principles of FSR are shared with other proactive, link-state routing protocols. In proactive link-state protocols every network node constantly updates a topology map that makes it possible to compute the shortest path (and thus the next hop) to any destination in the network. The originality of FSR is inspired by the "fisheye" technique to reduce the size of information required to represent graphical data: The eye of a fish captures with high detail the pixels near the focal point, while the detail decreases as the distance from the focal point increases. (en)
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- Fisheye State Routing (en)
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