Mobile IP Access Router Location Privacy and Header Size
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Solution Overview
Problem
Current mobile communication systems face challenges in maintaining location privacy while optimizing routing, as existing solutions either compromise on routing efficiency or result in large data message headers due to inefficient address management and processing complexities.
Innovation Solution
The system employs an access router with a mapping manager and message encapsulation processor to encapsulate and de-encapsulate location identification based on identity identification, routing data messages efficiently and maintaining privacy by separating identity and location identification within the network, thus avoiding unnecessary processing and header size issues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If routing optimization is implemented in MIP system, then data transmission efficiency is improved, but location privacy is violated
Solution Approach 1:
The patent segments the IP address into two separate components: a permanent home address (HA) that remains unchanged and a care-of address (CoA) that indicates current location. This segmentation allows the home address to remain private while the care-of address is used for routing, thus achieving both location privacy and routing optimization simultaneously.
Solution Approach 2:
The home agent (HA) acts as an intermediary between the mobile node (MN) and correspondent nodes (CN). The HA maintains the binding between the home address and care-of address, and performs packet forwarding and routing optimization without exposing the mobile node's location to correspondent nodes, thereby protecting location privacy while enabling efficient routing.
2Loss of information
If home address is used for routing in MIP system, then location privacy is maintained, but routing efficiency deteriorates due to triangle routing
Solution Approach 1:
The patent segments the IP address into two separate components: a permanent home address (HA) that remains unchanged and a care-of address (CoA) that indicates current location. This segmentation allows the home address to remain private while the care-of address is used for routing, thus achieving both location privacy and routing optimization simultaneously.
Solution Approach 2:
The home agent (HA) acts as an intermediary between the mobile node (MN) and correspondent nodes (CN). The HA maintains the binding between the home address and care-of address, and performs packet forwarding and routing optimization without exposing the mobile node's location to correspondent nodes, thereby protecting location privacy while enabling efficient routing.
3Ease of operation
If reverse channel mobile IP protocol is used, then mobile terminal can communicate with destination mobile terminal, but data message header becomes very large due to reconfiguration of care-of addresses
Solution Approach 1:
The patent segments the IP address into two separate components: a permanent home address (HA) that remains unchanged and a care-of address (CoA) that indicates current location. This segmentation allows the home address to remain private while the care-of address is used for routing, thus achieving both location privacy and routing optimization simultaneously.
Data Source
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AI summary
A method, system, mapping forwarding server and access router for mobile communication control are provided in the present invention. The method includes a flow of sending a data message from a source mobile terminal to a destination mobile terminal, including the following steps: A, a source access router receiving a first data message sent by the source mobile terminal, and executing step B; B, encapsulating a location identifier according to an identity identifier in the first data message, and acquiring a second data message; forwarding the second data message to a destination access router connected to the destination mobile terminal according to the location identifier in the second data message; and C, the destination access router stripping out the location identifier encapsulation in the second data message to return the second data message to the first data message, and forwarding the first data message to the destination mobile terminal. In the present invention, location privacy is realized, the processing of the data message is simplified, and the over-big header of the data message can be avoided.