Hub Conference Architecture for Scalable Audio Linking
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Solution Overview
Problem
Conventional conferencing systems experience significant audio delay and quality degradation when cascading conferences, requiring manual intervention and imposing limitations on conference size due to media server constraints.
Innovation Solution
The system automatically allocates and links hub and expansion conferences using reserved ports, minimizing links between participants and dynamically reallocating resources to maintain optimal audio quality and expand conference capacity without user intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If conferences are cascaded through multiple remote conference systems to expand conference size, then the number of participants is increased, but audio delay increases and audio quality degrades
Solution Approach 1:
The patent segments the conference participants into multiple groups distributed across different conference systems, with a hub conference acting as a central coordination point. This segmentation allows the system to handle large numbers of participants while maintaining manageable audio paths through structured linking between conference bridges.
Solution Approach 2:
The patent introduces a hub conference as an intermediary element that mediates between the original conference and expansion conferences. The hub conference receives audio feeds from the original conference and redistributes them to expansion conferences, acting as a buffer that reduces direct audio delay paths while enabling conference expansion.
2Reliability
If manual intervention is used to set up conference linking, then configuration control is maintained, but setup time and operational complexity increase
Solution Approach 1:
The patent implements self-service functionality where the conferencing system automatically detects when a conference reaches its participant capacity and autonomously creates expansion conferences and establishes the necessary linking. The system monitors conference status and performs setup operations without requiring manual intervention, thereby reducing setup time while maintaining configuration control through automated protocols.
Solution Approach 2:
The patent performs preliminary actions by pre-configuring the conferencing system with the capability to automatically create expansion conferences and establish links when original conferences reach capacity. The system prepares the necessary infrastructure in advance and executes the expansion process automatically when triggered, eliminating the need for manual setup while maintaining control through predefined automated procedures.
3Reliability
If media server constraints are respected, then system stability is maintained, but conference size is limited
Solution Approach 1:
The patent resolves the conference size limitation by transitioning from a single-server dimension to a multi-server distributed architecture. Instead of trying to accommodate all participants on a single media server, the system distributes participants across multiple servers connected through hub and expansion conferences, thereby increasing conference capacity while maintaining the stability of individual media servers.
Solution Approach 2:
The patent implements a nested structure where expansion conferences are contained within the original conference through hierarchical linking. The original conference links to a hub conference, which in turn links to multiple expansion conferences. This nesting allows the system to organize large numbers of participants in a structured manner, maintaining media server stability while achieving large conference sizes through nested organization.
Data Source
AI summary
Techniques are disclosed for conference expansion in a conferencing system. For example, a method of providing for conference expansion in a conferencing system includes the following steps. At least one port is reserved in an original conference allocated in the conferencing system. A hub conference is allocated, when a maximum number of participants for the original conference is reached. A calculated number of ports in the hub conference are reserved for linking to the original conference and to a corresponding number of expansion conferences when allocation of at least one of the number of expansion conferences is called for. The hub conference is linked to the original conference via the reserved port of the original conference and one of the reserved ports of the hub conference.