Mobile P2P Super Peer Node Wired Intermediary for Traffic Load Reduction
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Solution Overview
Problem
Mobile P2P services in wireless networks face challenges due to high wireless link fees, low and unstable transfer rates, and the risk of content loss when mobile peers disconnect or run out of battery, leading to unnecessary retransmissions and traffic overload.
Innovation Solution
A system and method that includes a mobile tracker node in a dedicated wired network managing mobile peer nodes and a super peer node connected via wires, which forwards content queries and receives queried content from the internet network, optimizing the P2P communication path based on movement and status changes of mobile peers, and minimizing traffic load by introducing a super peer capable of replacing mobile peers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If mobile P2P service is implemented in wireless networks, then distributed service capability is improved, but wireless traffic overload and content loss occur due to connection instability
Solution Approach 1:
The patent introduces a wired network as an intermediary layer between mobile devices and the internet. Mobile devices connect to the wired network through wireless links, and all internet communications are routed through this stable wired infrastructure, isolating the instability of wireless connections from the P2P service operations
Solution Approach 2:
The system segments the network into two distinct parts: a stable wired network segment for reliable data transmission and P2P operations, and a mobile wireless segment for device access. This segmentation allows each segment to operate independently, with the wired segment providing stability even when wireless connections fail
2Duration of action of stationary object
If mobile peers continuously transmit content during disconnection, then transmission continuity is maintained, but wireless traffic waste and overload increase
Solution Approach 1:
The system implements feedback mechanisms where the wired network monitors the connection status of mobile peers and provides this information back to the content transmission process. When disconnection is detected, the feedback signal stops unnecessary retransmissions, preventing wireless traffic waste while maintaining service continuity through the wired network
Solution Approach 2:
The wired network预先 establishes stable communication paths and buffers content before mobile peers disconnect. This preliminary action ensures that content can be delivered continuously through the wired network without requiring repeated wireless retransmissions when connections are restored
3Ease of operation
If wireless transfer rates are used for P2P communication, then mobile device connectivity is improved, but transfer speed and stability deteriorate
Solution Approach 1:
The patent applies different quality characteristics to different parts of the communication path: wireless links provide local connectivity access to mobile devices, while the wired network provides high-speed stable transfer paths for actual content transmission, optimizing both connectivity ease and transfer speed in their respective domains
Data Source
AI summary
Mobile P2P system includes mobile tracker node and super peer node. Mobile tracker node is located in dedicated wired network operating in conjunction with internet network to which plurality of peer nodes are connected, and manages information of plurality of mobile peer nodes connected to wireless access network. Peer list containing information on one or more peer nodes having content queried by plurality of mobile peer nodes is transmitted to mobile peer nodes, one or more peer nodes including mobile peer nodes and peer nodes on internet network. Super peer node is connected to mobile tracker node via wires, and located for each wireless access network. Super peer node forwards content query received from mobile peer nodes to the mobile tracker node, and receives the queried content from the peer nodes in the peer list received from the mobile tracker node and transmits the same to the mobile peer nodes.