Distributed Conference Bridges for Scalable Conferencing
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Solution Overview
Problem
Conventional conferencing systems are limited by the number of ports on a conference bridge, which restricts the number of participants and can lead to increased bandwidth requirements and latency, while also lacking in fault tolerance and security features.
Innovation Solution
A distributed conferencing system utilizing multiple conference bridges located at different sites to share conference information, allowing for improved resource allocation, reduced bandwidth requirements, increased capacity, and enhanced security by selectively recording and routing audio and video data through firewalls.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If a single conference bridge is used to host a conference call, then the system structure is simple, but the number of participants is limited by the number of ports on the conference bridge
Solution Approach 1:
The system segments the conference bridging function across multiple independent conference bridges distributed at different sites. Each conference bridge handles a portion of the participants, allowing the total participant capacity to exceed the port limits of any single bridge while maintaining manageable individual bridge configurations.
Solution Approach 2:
The system transitions from a single centralized conference bridge to a distributed multi-site architecture, adding the spatial dimension of multiple locations. This allows participant capacity to scale by adding bridges at different sites rather than being constrained by a single bridge's port count.
2Quantity of substance
If multiple conference bridges are used to increase participant capacity, then the number of participants increases, but bandwidth requirements increase
Solution Approach 1:
The system merges conference information distribution across multiple conference bridges, where bridges share conference data efficiently. This allows participant capacity to scale while avoiding redundant bandwidth consumption by coordinating information flow across the distributed bridges.
3Reliability
If a single conference bridge is used, then bandwidth requirements are lower, but the system lacks fault tolerance
Solution Approach 1:
The distributed conference bridge system provides beforehand cushioning against failures by having redundant bridges at multiple sites. If one bridge fails, others can continue supporting the conference call, ensuring fault tolerance while managing bandwidth through efficient information sharing among bridges.
4Reliability
If conference information is routed through firewalls for security, then security is enhanced, but latency increases
Solution Approach 1:
The system performs preliminary actions by establishing secure firewall routing paths and conference information sharing agreements among bridges before conferences begin. This allows security checks to be performed efficiently in advance, reducing the impact on real-time conference latency.
Data Source
AI summary
A method for providing conference information to attendees of a conference call near real time using a plurality of conference bridges includes receiving the conference information at a first conference bridge. The conference information is generated in response to input from a participant in the conference call using a first device. The method also includes providing the conference information from the first conference bridge to a first group of attendees. The method also includes providing the conference information from the first conference bridge to a second conference bridge separate from the first conference bridge, and providing the conference information from the second conference bridge to a second group of attendees.