Proxy Node Consolidates M2M Device Registration Signaling
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Solution Overview
Problem
Energy-constrained M2M devices face significant energy drain when communicating with multiple Resource Directories (RDs) and Mirror Proxies (MPs), particularly due to the need for multiple registration requests and data transmissions, which depletes their limited energy resources.
Innovation Solution
The introduction of a Resource Directory Proxy (RDP) node that receives messages from devices about resource changes and selectively forwards this information to appropriate RD nodes, reducing the device's signaling burden, and a Mirror Proxy Proxy (MPP) node that manages data distribution to relevant MP nodes, allowing for consolidated registration and data transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a device communicates with multiple Resource Directories and Mirror Proxies to provide load balancing and support multiple applications, then network reliability and service availability are improved, but energy consumption increases significantly
Solution Approach 1:
The patent introduces a Proxy Node as an intermediary between the energy-constrained device and multiple Resource Directories/Mirror Proxies. The proxy node receives registration requests from the device and selectively forwards them to appropriate RDs/MPs, consolidating multiple communication operations into fewer messages while maintaining network reliability through load balancing and service availability.
2Adaptability or versatility
If a device sends multiple registration requests to multiple RDs and data to multiple MPs, then service coverage and load balancing are improved, but the number of signaling messages and data transmissions increases
Solution Approach 1:
The patent merges multiple registration operations and data transmissions into a single consolidated message sent to the Proxy Node. The proxy node then distributes this consolidated information to the appropriate Resource Directories and Mirror Proxies, reducing the device's signaling burden while maintaining comprehensive service coverage across multiple network entities.
3Reliability
If a device remains in full power mode to maintain continuous communication, then communication reliability is improved, but energy resources are depleted faster
Solution Approach 1:
The patent enables the device to perform preliminary registration with the Proxy Node while in a low-power state. The proxy node maintains the registration information and can forward communications when needed, allowing the device to remain in sleep mode longer while still maintaining communication reliability through the proxy's preliminary setup and persistent connections.
Data Source
AI summary
A method and apparatus for identifying resources available at a device in a communication network. A Resource Directory Proxy node receives a first message from the device. The first message relates to a change in at least one resource available at the device. The Resource Directory Proxy then sends, to a Resource Directory node selected from a set of Resource Directory nodes, a second message. The second message includes the change in the at least one of the resources available. There is also provided a method and apparatus for providing data from the device is provided. A Mirror Proxy Proxy node receives from the device a data message that includes an identity of the device and data obtained by the device. The Mirror Proxy Proxy node selects, from a set of Mirror Proxy nodes, a Mirror Proxy node, and sends to the selected Mirror Proxy node a further data message, the further data message including the identity of the device and the data obtained by the device.