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Sideseadmed (IRT0040) 2.5 AP. Avo LOENG 5. Military Response. Mobile Computing: Why?. Nokia E61. Home Security. Gambling. Home medical care. E-learning. Sports. Streaming Movies. Markets for IP Mobility. [Source:Cisco]. Mobile Wireless Devices. Laptop. Smartphone.

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Presentation Transcript
mobile computing why

Military Response

Mobile Computing: Why?

Nokia E61

Home

Security

Gambling

Home

medical

care

E-learning

Sports

Streaming

Movies

mobile wireless devices
Mobile Wireless Devices

Laptop

Smartphone

Media Player

Palmtop

Digital Camera

Mobile Router

Personal Digital Assistant

Notebook

Pager

Gaming Console

mobility classification protocols

No mobility

High mobility

Moderate mobility

mobile user, passing through multiple access point while maintaining ongoing connections (like cell phone)

mobile user, connecting/ disconnecting from network using DHCP.

mobile wireless user,

using same access

point

Mobility Classification Protocols
mobility classification protocols1

Mobility

Global

Macro

Micro

MIP (1996)

Hierarchical MIP (1996)

Cellular IP (1998)

Hawaii (1999)

Dynamic Mobility Agent (2000)

TeleMIP (2000)

Time (evolutionary path)

MIPv6 (2001)

TMIP (2001)

HMIPv6 (2001)

Intra-subnet

Inter-domain

Intra-domain

Mobility Classification Protocols
routing protocols for manets
Routing Protocols for MANETS

Unicast-Routing Protocol for MANET (Topology-based)

CBRP

Table-Driven/

Proactive

Hybrid

On-Demand-driven/Reactive

Clusterbased/

Hierarchical

Distance-

Vector

Link-

State

ZRP

DSR

AODV

TORA

LANMAR

CEDAR

DSDV

OLSR

TBRPF

FSR

STAR

MANET: Mobile Ad hoc Network

(IETF working group)

proactive v s reactive routing
Proactive vs Reactive Routing
  • Proactive Routing Protocols (DSDV, OLSR)
  • + Routes to all reachable nodes in the network available.
  • + Minimal initial delay for application.
  • - Larger signalling traffic and power consumption.
  • Reactive Routing Protocols (DSR, CBR etc)
  • + Smaller signalling traffic and power consumption.
  • - A long delay for application when no route to the destination available
routing protocols overview
Proactive protocols

Determine routes independent of traffic pattern

Traditional link-state and distance-vector routing protocols are proactive

Examples:

DSDV (Dynamic sequenced distance-vector)

OLSR (Optimized Link State Routing)

Reactive protocols

Maintain routes only if needed

Examples:

DSR (Dynamic source routing)

AODV (on-demand distance vector)

Hybrid protocols

Example: Zone Routing Protocol (intra-zone: proactive; inter-zone: on-demand)

Routing Protocols: Overview
lingid 1
Lingid (1)

http://en.wikipedia.org/wiki/Ad_hoc_routing_protocol_list

http://www.cs.cmu.edu/~dmaltz/dsr.html

http://en.wikipedia.org/wiki/AODV

http://www.olsr.org/?q=about

http://www.ietf.org/rfc/rfc3626.txt

www.cs.binghamton.edu/~nael/cs527/notes/adhoc-routing1.pp