Unified Session Management for WAP Cluster Load Balancing
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Solution Overview
Problem
The existing WAP system faces challenges in dynamic capacity expansion and system performance due to separate load balance policies for the UIDB and WAP GW clusters, making it difficult to determine where session control and traffic information is stored, leading to low system performance and inconvenient maintenance.
Innovation Solution
A message distribution method where session control and traffic messages are transmitted to the same cluster node, allowing for storage and retrieval of information on that node, enabling smooth and dynamic capacity expansion, enhanced system performance, and simplified maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If separate load balance policies are used for UIDB and WAP GW clusters, then each cluster can be independently managed, but it becomes difficult to determine where session control and traffic information is stored, leading to low system performance and inconvenient maintenance
Solution Approach 1:
The patent merges the load balance policies of UIDB and WAP GW clusters by introducing a unified session management mechanism. The WAP GW cluster nodes can directly access session control information stored in the UIDB cluster through a unified routing approach, eliminating the need for separate load balance policies and enabling efficient information retrieval across clusters.
2Ease of operation
If separate load balance policies are used for UIDB and WAP GW clusters, then each cluster can be independently managed, but maintenance becomes inconvenient due to inability to track information storage locations
Solution Approach 1:
The patent implements a feedback mechanism where WAP GW cluster nodes can query the UIDB cluster to determine the storage location of session control information. This feedback loop enables maintenance personnel to track where information is stored across distributed clusters, facilitating convenient maintenance while preserving independent cluster management.
3Adaptability or versatility
If the number of cluster nodes increases or decreases, then cluster capacity can be adjusted, but it becomes hard to determine where session control or session traffic information is stored, making smooth and dynamic capacity expansion impossible
Solution Approach 1:
The patent creates a universal information retrieval mechanism that works regardless of the number of cluster nodes. The WAP GW cluster nodes use a unified approach to locate session control information in the UIDB cluster, making the system adaptable to capacity changes without increasing complexity of determining information storage locations.
Data Source
AI summary
The disclosure relates to a message distribution method, device, and system. A message distribution method includes: creating a session based on a received first type of session message and allocating a corresponding cluster node to the session; and upon receiving a second type of session message associated with the session, distributing the second type of session message to the cluster node corresponding to the session. With the technical solution according to the embodiments of the invention, both the first type of session message and the second type of session message may be processed on the same cluster node, smooth and dynamic capacity expansion may be achieved for the cluster, the system performance may be enhanced, and system maintenance may be facilitated.