Service Provisioning for Constrained IoT Devices
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Solution Overview
Problem
Existing resource management systems in constrained environments lack dynamic conditional access and resource control policies, which are essential for efficient service provisioning and network bandwidth management, especially in scenarios with sleepy nodes and heavy network loads.
Innovation Solution
Implementing a system that uses access control lists (ACLs) with dynamic admission and resource control policies, expressed in conditional expressions, to manage access based on network conditions and device capabilities, allowing for secure and efficient service provisioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If direct resource access is allowed for constrained devices, then device connectivity is improved, but network load increases and energy efficiency decreases
Solution Approach 1:
The patent introduces a resource directory as an intermediary component between constrained devices and resources. The resource directory mediates resource discovery and access by maintaining a centralized registry of available resources and their locations, allowing constrained devices to perform efficient lookups without direct multicast communication. This mediator approach reduces network traffic while maintaining connectivity.
Solution Approach 2:
The patent implements preliminary service registration and discovery mechanisms where resources are pre-registered in the resource directory with their metadata and locations. This preliminary action allows constrained devices to obtain resource information through efficient lookups before actual access occurs, avoiding the need for continuous network scanning and reducing overall network load.
2Reliability
If service commissioning and verification procedures are implemented, then security is improved, but system complexity increases
Solution Approach 1:
The patent segments the service commissioning and verification process into distinct functional components: resource registration, service advertisement, commissioner verification, and policy enforcement. Each segment handles a specific aspect of security independently, making the overall complex security framework more manageable and implementable in constrained environments.
Solution Approach 2:
The patent implements self-service mechanisms where constrained devices automatically perform service discovery and verification through standardized protocols. The commissioner device autonomously verifies services and enforces policies without requiring manual configuration, reducing operational complexity while maintaining security.
3Productivity
If access control policies are enforced for all services, then resource management efficiency is improved, but network throughput decreases
Solution Approach 1:
The patent applies local quality by enforcing access control policies selectively based on the specific service, resource type, and client characteristics. Rather than uniform blocking, the system allows differentiated access where appropriate, maintaining security while preserving necessary throughput for authorized services.
Solution Approach 2:
The patent implements dynamic access control policies that can adapt to changing network conditions and service requirements. Policies are not static but can be modified in real-time based on resource availability, client priorities, and network load, allowing the system to optimize between security and throughput dynamically.
4Manufacturing precision
If conditional access based on service level agreements is implemented, then resource control precision is improved, but device complexity increases
Solution Approach 1:
The patent uses parameter changes to express conditional access policies in terms of modifiable parameters such as client identifiers, service types, quality of service levels, and time constraints. By representing policies as parameter-based rules rather than complex logic, the system achieves precise control while keeping the enforcement mechanism simple and manageable.
Data Source
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AI summary
The present invention provides a service provisioning method to support configurations of admission control, and resource control policies for constrained devices by using commissioning procedure. In one implementation, the apparatus comprises the obtaining module (808) is configured to obtain at least one service information including at least one pre-registered service along with associated device ID from said commissioning device, the creation module (810) is configured to create at least one service ID against said service information received, and create said admission control policy and/or said resource control policy for said service ID, the lookup module (812) is configured to lookup for service ID associated with said service in said provisioning device, on receipt of at least one request, from said client device, to access said service, and the access module (814) is configured to grant/deny access for said service, based on said policies decided, to said client device.