DHCP Server Synchronizing Mobile IP Messaging
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Solution Overview
Problem
Existing techniques for accommodating mobile clients in communication networks are inefficient when the clients do not support mobile IP protocols, as they require additional protocols and processes to facilitate communication sessions.
Innovation Solution
A system where a DHCP server communicates with a home agent to assign and manage IP addresses for mobile clients, synchronizing DHCP and mobile IP messages to facilitate communication sessions without the mobile client needing to support mobile IP protocols.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If mobile clients use traditional mobile IP protocols for communication, then communication sessions can be established, but the device complexity and protocol requirements increase
Solution Approach 1:
The patent extracts the mobile IP protocol requirements from the mobile client device and relocates them to the network infrastructure (access gateway and DHCP server). The mobile client only needs to support standard DHCP, while the access gateway performs mobile IP registration and the DHCP server handles IP address assignment and binding, thereby simplifying the client device complexity.
Solution Approach 2:
The DHCP server acts as an intermediary between the mobile client and the mobile IP network infrastructure. It receives DHCP requests from clients, coordinates with the access gateway for mobile IP registration, and manages IP address assignments, thereby enabling communication sessions without requiring the client to understand mobile IP protocols.
2Adaptability or versatility
If additional protocols are used to accommodate mobile clients, then communication sessions can be facilitated, but the device complexity and process overhead increase
Solution Approach 1:
The DHCP server is enhanced to perform multiple functions: standard DHCP IP address assignment, mobile IP registration coordination, and mobility binding management. This multi-functionality allows a single protocol (DHCP) to handle both traditional IP allocation and mobile IP accommodation, reducing the need for additional client-side protocols.
Solution Approach 2:
The patent merges the mobile IP registration process with the DHCP IP address assignment process. The access gateway sends a DHCP request to the DHCP server that includes mobile IP registration information, and the DHCP server processes both the IP assignment and mobility binding in a single interaction sequence, thereby simplifying the overall process.
3Ease of operation
If mobile clients support mobile IP protocols, then seamless communication is achieved, but the ease of operation and device requirements worsen
Solution Approach 1:
The access gateway serves as an intermediary that handles mobile IP protocol requirements on behalf of the mobile client. It performs mobile IP registration with the DHCP server and manages mobility bindings, thereby enabling seamless communication sessions while the client only needs to support simple DHCP operations.
Solution Approach 2:
The network infrastructure (access gateway and DHCP server) performs mobile IP registration and binding management automatically based on DHCP message exchanges. The mobile client simply sends standard DHCP requests and receives IP addresses, with the network infrastructure handling all mobile IP protocol requirements autonomously.
Data Source
AI summary
Synchronizing mobility messaging includes receiving an Internet Protocol (IP) address at a Dynamic Host Configuration Protocol (DHCP) server. The IP address is sent by a home agent of a mobile client, where the home agent has a mobility binding for the mobile client. A DHCP request requesting an IP address for the mobile client is received from the mobile client. The DHCP server assigns the IP address to the mobile client. A DHCP acknowledgement comprising the assigned IP address is sent to the mobile client.