Peer-to-Peer Service Discovery Without a Central Server
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Solution Overview
Problem
Existing computing-based services often rely on centralized server architectures that are inefficient in highly dynamic environments where devices frequently join and leave the network, requiring constant server availability.
Innovation Solution
Implementing a peer-to-peer network architecture where devices multicast service information and maintain registries of available services, enabling direct device-to-device communication and service discovery without a centralized server or Internet connection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a centralized server architecture is used, then service management is simplified and centralized, but the system becomes less efficient and less reliable in highly dynamic environments where devices frequently join and leave the network
Solution Approach 1:
The patent segments the centralized service management function into distributed service discovery and registration capabilities across multiple peer devices. Each device maintains local service information and can independently discover services without requiring a central coordinator, thereby distributing complexity while improving efficiency in dynamic networks
Solution Approach 2:
The patent implements dynamic service discovery mechanisms where devices can join and leave the network without disrupting service management. Service registries are updated in real-time as devices become available or unavailable, allowing the system to adapt dynamically to network changes without requiring centralized reconfiguration
2Device complexity
If a centralized server architecture is used, then service coordination is centralized, but the system requires constant server availability and is less adaptable to dynamic network conditions
Solution Approach 1:
The patent divides centralized service coordination into distributed coordination among peer devices. Each device maintains its own service registry and can independently coordinate service interactions, eliminating the single point of failure while maintaining coordination functionality across the network
Solution Approach 2:
The patent introduces service registries as intermediary data structures that enable devices to discover and coordinate services without direct peer-to-peer negotiation. These registries act as local intermediaries that cache service information, allowing devices to adapt to network changes while maintaining service coordination
3Adaptability or versatility
If devices frequently join and leave the network, then network flexibility is improved, but service discovery becomes more difficult and less reliable
Solution Approach 1:
The patent implements preliminary service registration where devices announce their services to the network upon joining. Service information is pre-publicized in local registries before services are needed, enabling immediate service discovery without requiring active probing or repeated discovery attempts when devices leave and rejoin
Solution Approach 2:
The patent implements service registry update mechanisms that provide feedback when services become available or unavailable. When devices leave the network, their service registrations are removed or marked as unavailable, providing real-time feedback to other devices about service availability and maintaining reliable service discovery
Data Source
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AI summary
Systems and methods for automatic service discovery and inter-service communications in a peer-to-peer network are disclosed. A device connected to a peer-to-peer network multicasts information about services that are active on the device (e.g., local services) and accessible to other devices on the network. The device can receive, from other devices on the network, multicasted information about services that are active on the other devices (e.g., remote services). The device includes a registry for maintaining information about available local and remote services. Each device in the network can send queries to active services on other devices on the network and receive notifications from those remote services when the remote services identify relevant data (e.g., data that satisfies the query).