Distributed Index for Presence Detection in Peer-to-Peer Networks
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Solution Overview
Problem
Traditional client-server computing models underutilize internet resources, leading to challenges in information discovery, bandwidth utilization, and computing resource management, particularly due to centralized architectures that lack scalability and reliability.
Innovation Solution
A distributed index mechanism for peer-to-peer networks that stores and searches presence information in a decentralized manner using a distributed hash table, enabling peers to discover and communicate with each other without a central server, and supports features like notification services and content management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a centralized server architecture is used to store presence information, then the system structure is simple and easy to manage, but the system lacks scalability and reliability
Solution Approach 1:
The patent divides the centralized presence information storage into multiple distributed index nodes across the peer-to-peer network. Each node stores a portion of the presence information, eliminating single point of failure and improving system reliability while maintaining manageable complexity through modular distribution.
Solution Approach 2:
The patent introduces a distributed index mechanism that acts as an intermediary between peers, enabling presence information storage and querying without requiring a centralized server. This intermediary layer distributes the storage burden across multiple nodes, enhancing both reliability and scalability.
2Ease of operation
If a centralized server is used for presence information, then management is easy, but the system cannot scale effectively
Solution Approach 1:
The patent segments the presence information storage across multiple distributed index nodes, allowing the system to scale by adding more nodes without requiring complex centralized management. Each node operates independently with similar functionality, enabling horizontal scaling while maintaining ease of operation through standardized node behavior.
Solution Approach 2:
The patent implements a dynamic distributed index system where nodes can join and leave the network dynamically. The system automatically adapts to topology changes and scales by allowing new nodes to enter the network without requiring manual reconfiguration of centralized management structures.
3Device complexity
If centralized servers are used for presence detection, then the system is simple to implement, but resource utilization is inefficient
Solution Approach 1:
The patent implements a self-service distributed system where peer nodes autonomously publish their presence information and queries are automatically routed to appropriate index nodes. This eliminates the need for centralized server management and reduces energy consumption by distributing computational and storage tasks across peer nodes rather than concentrating them in centralized data centers.
Solution Approach 2:
The patent distributes presence information copies across multiple index nodes in the peer-to-peer network. Instead of storing all presence information on a single centralized server, the system creates and maintains copies of the index across distributed nodes, improving resource utilization by leveraging storage capacity across the entire network rather than concentrating it in one location.
4Reliability
If a distributed index is implemented, then reliability and fault-tolerance are improved, but system complexity increases
Solution Approach 1:
The patent segments the presence information storage across multiple distributed index nodes, which improves fault-tolerance by eliminating single point of failure. While this distribution increases system complexity, the patent manages it through standardized node operations and automatic routing mechanisms that simplify the complexity rather than exacerbate it.
Data Source
AI summary
Embodiments of a distributed index mechanism for indexing and searching for presence information in peer-to-peer networks. In one embodiment, a distributed index may be used to store presence information in a decentralized manner on a plurality of peer nodes. In one embodiment, a notification service may be implemented on top of the distributed index to notify peers of other peers joining a peer-to-peer session. Participating peers may query the distributed index to detect the presence of other participating peers registered in the distributed index. One embodiment of a distributed index of presence information may be implemented in peer-to-peer networks implemented according to a peer-to-peer platform including one or more peer-to-peer platform protocols for enabling peer nodes to discover each other, communicate with each other, and cooperate with each other to form peer groups and share network resources.