SDN Service Chaining for Mobile Packet Core Segmentation
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Solution Overview
Problem
Current mobile packet core and Gi-LAN service architecture solutions are static, making it difficult to separate base and auxiliary core services, do not integrate Gi-LAN services, and are not easily deployable with cloud- and data-center infrastructures, limiting flexibility and scalability.
Innovation Solution
A communication system using a software-defined network (SDN) service chaining solution that decomposes the mobile packet core into base and auxiliary service components, allowing for dynamic scaling and integration of Gi-LAN services within a cloud or data-center environment, enabling per-subscriber and per-flow service steering and optimization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If static mobile packet core architecture is used, then service delivery is stable, but flexibility and scalability are limited
Solution Approach 1:
The patent segments the mobile packet core into base services and auxiliary services, allowing independent deployment and management of each service component. This segmentation enables flexible service composition and dynamic scaling without requiring complex architectural changes to the entire system.
Solution Approach 2:
The patent implements dynamic service chain steering that allows services to be dynamically selected and routed based on subscriber profiles, flow characteristics, and network conditions. This dynamic approach replaces static service delivery with adaptive service chains that can be modified in real-time without system reconfiguration.
2Adaptability or versatility
If traditional mobile packet core deployment is used, then service stability is maintained, but integration with cloud and data-center infrastructures is difficult
Solution Approach 1:
The patent creates a universal service chain framework that can operate across multiple infrastructure types including traditional mobile networks, cloud environments, and data-center infrastructures. The service chain abstraction layer provides multi-functionality, allowing the same service logic to be deployed across diverse infrastructure platforms without requiring platform-specific implementations.
3Ease of operation
If static service architecture is used, then system stability is ensured, but per-bearer and per-flow service steering is not enabled
Solution Approach 1:
The patent introduces service chain classifiers as intermediary components that sit between the network infrastructure and service functions. These classifiers automatically perform per-bearer and per-flow service steering by inspecting traffic characteristics and routing packets through appropriate service chains, eliminating the need for complex manual configuration while maintaining operational simplicity.
Data Source
AI summary
An example method is provided in one example embodiment and may include receiving traffic associated with at least one of a mobile network and a Gi-Local Area Network (data-plane), wherein the traffic comprises one or more packets; determining a classification of the traffic to a service chain, wherein the service chain comprises one or more service functions associated at least one of one or more mobile network services and one or more data-plane services; routing the traffic through the service chain; and routing the traffic to a network using one of a plurality of egress interfaces, wherein each egress interface of the plurality of egress interfaces is associated with at least one of the one or more mobile network services and the one or more data-plane services.