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Mobile Domain IP Address Optimization: Solutions and Challenges

Explore solutions for identifying computers on mobile domains through IP address optimization, including changing IP addresses and special routing entries. Address challenges of compatibility, scalability, and transparency. Compare 4x4 approach strategies for guaranteed delivery, low latency, and low overhead.

michael-warren
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Mobile Domain IP Address Optimization: Solutions and Challenges

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Presentation Transcript

  1. 4x4 Optimization Alkesh Patel & Hemant Patel

  2. Background • IP address – identify computer on the network • Mobile domain - mobile host • IP address is not restricted to region • Problem : Identifying computer on mobile domain • Solution: • Change IP address when the host moves to other subnet • Use same IP address and add special routing entries to track the current location of the user – good for small group

  3. Challenge • Following challenges should be solved before considering solution • Compatibility: Should work with current wired internet infrastructure • Scalability: Should be able to support large number of user to meet future demands • Transparency: User should not feel difference between wireless and wired network

  4. Optimization • Optimization scheme should ensure • Guaranteed delivery • Low latency • Low overhead

  5. 4x4 Approach • Four options for packets direction • IN approaches CN to MN • OUT approaches MN to CN • s – outer source in the encapsulated packet • d – outer destination in the encapsulated packet • S – inner source of the packet • D – inner destination of the packet

  6. The IN strategies in 4x4 approach

  7. The OUT strategies in 4x4 approach

  8. Comparison & Evaluation • 16 different strategies for transmission • Four approaches for each of the two directions • Different advantages & disadvantages • Choice based on session basis or packet-to-packet basis

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