Forwarding Plane Device Service Identity Encapsulation
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Solution Overview
Problem
Existing network techniques lack flexibility in service management, as they do not effectively utilize user identities to dynamically manage and route packets for service operations.
Innovation Solution
A packet processing method and device that encapsulates user packets with service identities, allowing forwarding plane devices to manage services by determining service operations based on user identities, and updating forwarding tables for enhanced service management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a controller generates a forwarding table and sends it to a BRAS or SR for packet forwarding, then packet forwarding can be achieved, but service management flexibility is insufficient
Solution Approach 1:
The patent segments the network management function by introducing a separate service management system that operates independently from the traditional controller-BRAS/SR architecture. The service management system manages services through packet processing nodes, separating service management complexity from the forwarding plane and enabling flexible service deployment without increasing overall network management complexity
Solution Approach 2:
The patent introduces a service management system as an intermediary between the service provider and the packet processing nodes. This intermediary system manages service identification and routing by processing packets with service identifiers, enabling flexible service management without directly controlling the forwarding tables of BRAS or SR devices
2Adaptability or versatility
If packets are forwarded according to a forwarding table, then efficient packet routing is achieved, but dynamic service operations are limited
Solution Approach 1:
The patent introduces dynamic service operation capability by allowing the service management system to modify packet routing decisions based on real-time service requirements. The service management system can dynamically identify services through packet processing and route packets accordingly, enabling adaptive service operations without compromising the efficiency of the forwarding table mechanism
Solution Approach 2:
The patent implements preliminary action by pre-configuring service identifiers and corresponding routing information in the service management system. When packets arrive, the system can quickly identify services based on pre-established mappings and route them appropriately, maintaining efficient forwarding while enabling dynamic service operations through pre-prepared service management policies
Data Source
AI summary
A packet processing method includes receiving, by a forwarding plane device, a first packet transmitted by a user, where an identity of the user is comprised in the first packet, and a forwarding table is comprised in the forwarding plane device, determining, by the forwarding plane device, an identity of a service according to a corresponding relationship between the identity of the user and the identity of the service as well as the identity of the user in the first packet, generating, by the forwarding plane device, a second packet by encapsulating the first packet with the identity of the service, and transmitting the second packet to a network device to enable the network device to manage the service according to the identity of the service in the second packet.