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DSDV:
Destination-Sequenced Distance Vector
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protocol
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basic
idea: destination provides freshness indication,
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not
intermediate nodes
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n |
each
mobile host is a router
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n |
periodic
broadcasts with sequence numbers
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n |
significant
new information triggers broadcast updates
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n |
link
breakages (metric ¥) are significant
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n |
two
criteria for route selection:
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sequence
number guarantee maximal freshness (top priority)
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metric
comparison for lowest cost
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n |
protocol
supports incremental and full updates
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n |
some
routes in forwarding table might not be advertised
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