DVR.pdf - Distance Vector Routing Distance Vector Routing...

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Distance Vector Routing
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Distance Vector Routing Dynamic Algorithm Each router maintains table Distance from the router Next router to hop Metric used might be Number of hops Time delay in miliseconds Total no of packets queued along the path Each router gets tables from the neighboring routers Calculation of the new distance The next router
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Contd. Measurement of distance Echo packets If metric is hops distance is just one hop If the metric is queue length, the router simply examines each queue. If the metric is delay, the router can measure it directly with special ECHO packets that the receiver just timestamps and sends back as fast as it can.
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