Download File - Computer Networks & Information Security
Download File - Computer Networks & Information Security Download File - Computer Networks & Information Security
When to Perform a Route Discovery When node S wants to send data to node D, but does not know a valid route node D 50
DSR Optimization: Route Caching Each node caches a new route it learns by any means When node S finds route [S,E,F,J,D] to node D, node S also learns route [S,E,F] to node F When node K receives Route Request [S,C,G] destined for node, node K learns route [K,G,C,S] to node S When node F forwards Route Reply RREP [S,E,F,J,D], node F learns route [F,J,D] to node D When node E forwards Data [S,E,F,J,D] it learns route [E,F,J,D] to node D A node may also learn a route when it overhears Data packets 51
- Page 1 and 2: Mobile Ad Hoc Networks: Routing, MA
- Page 3 and 4: Introduction Unicast routing Mult
- Page 5 and 6: Coverage Not intended to be exhaus
- Page 7 and 8: Mobile Ad Hoc Networks Formed by w
- Page 9 and 10: Mobile Ad Hoc Networks (MANET) Mob
- Page 11 and 12: Many Applications Personal area ne
- Page 13 and 14: Many Variations Traffic characteri
- Page 15 and 16: Challenges Limited wireless transm
- Page 17 and 18: Research on Mobile Ad Hoc Networks
- Page 19 and 20: Assumption Unless stated otherwise
- Page 21 and 22: Why is Routing in MANET different ?
- Page 23 and 24: Proactive protocols Routing Protoco
- Page 25 and 26: Overview of Unicast Routing Protoco
- Page 27 and 28: A Flooding for Data Delivery B H S
- Page 29 and 30: A Flooding for Data Delivery B H S
- Page 31 and 32: A Flooding for Data Delivery B H S
- Page 33 and 34: A Flooding for Data Delivery B H
- Page 35 and 36: Flooding for Data Delivery: Advanta
- Page 37 and 38: Flooding of Control Packets Many p
- Page 39 and 40: A B Route Discovery in DSR H S E C
- Page 41 and 42: A B Route Discovery in DSR H S E C
- Page 43 and 44: A B Route Discovery in DSR H S E C
- Page 45 and 46: Route Discovery in DSR Destination
- Page 47 and 48: Route Reply in DSR Route Reply can
- Page 49: A B Data Delivery in DSR H DATA [S,
- Page 53 and 54: A B Use of Route Caching [S,E,F,J,D
- Page 55 and 56: Use of Route Caching: Can Reduce Pr
- Page 57 and 58: Route Caching: Beware! Stale cache
- Page 59 and 60: Dynamic Source Routing: Disadvantag
- Page 61 and 62: Flooding of Control Packets How to
- Page 63 and 64: X = last known location of node D,
- Page 65 and 66: LAR Only nodes within the request
- Page 67 and 68: LAR Variations: Adaptive Request Zo
- Page 69 and 70: Location-Aided Routing The basic p
- Page 71 and 72: Detour Routing Using Location Infor
- Page 73 and 74: Distance Routing Effect Algorithm f
- Page 75 and 76: Relative Distance Micro-Discovery R
- Page 77 and 78: Geographic Distance Routing (GEDIR)
- Page 79 and 80: Grid Location Service (GLS) [Li00Mo
- Page 81 and 82: Query Localization [Castaneda99Mobi
- Page 83 and 84: G F E B A S C D Query Localization:
- Page 85 and 86: Broadcast Storm Problem [Ni99Mobico
- Page 87 and 88: Solutions for Broadcast Storm Prob
- Page 89 and 90: Solutions for Broadcast Storms Dis
- Page 91 and 92: Ad Hoc On-Demand Distance Vector Ro
- Page 93 and 94: A B Route Requests in AODV H S E C
- Page 95 and 96: A B Route Requests in AODV H S E C
- Page 97 and 98: A Reverse Path Setup in AODV B H S
- Page 99 and 100: A B Route Reply in AODV H S E C I G
DSR Optimization: Route Caching<br />
Each node caches a new route it learns by any<br />
means<br />
When node S finds route [S,E,F,J,D] to node D, node<br />
S also learns route [S,E,F] to node F<br />
When node K receives Route Request [S,C,G]<br />
destined for node, node K learns route [K,G,C,S] to<br />
node S<br />
When node F forwards Route Reply RREP<br />
[S,E,F,J,D], node F learns route [F,J,D] to node D<br />
When node E forwards Data [S,E,F,J,D] it learns<br />
route [E,F,J,D] to node D<br />
A node may also learn a route when it overhears<br />
Data packets<br />
51
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