VOIP Gateway Header Compression with Dynamic Tiered Bandwidth
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Solution Overview
Problem
Existing VOIP systems cannot simultaneously implement header compression and dynamic tiered-subscriber services, which are essential for efficiently managing bandwidth based on changing network conditions and subscriber service levels.
Innovation Solution
A new call flow setup is introduced that includes a policy with attribute-value pairs enabling both header compression and dynamic bandwidth adjustments, allowing for concurrent operation of header compression and dynamic tiered-subscriber service by prioritizing a header compression policy that allocates bandwidth based on subscriber class.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If header compression is implemented in VOIP systems, then bandwidth efficiency is improved, but the ability to provide dynamic tiered-subscriber services deteriorates
Solution Approach 1:
The patent segments the service delivery into multiple tiers (gold, silver, bronze) with different bandwidth allocation policies. Each tier has its own header compression policy configured on the gateway, allowing simultaneous operation of header compression across all tiers while maintaining differentiated service capabilities through separate policy configurations.
Solution Approach 2:
The patent implements dynamic bandwidth allocation where the gateway can adjust bandwidth limits for different subscriber tiers based on network conditions and service level agreements. The system dynamically selects appropriate header compression policies and bandwidth allocations for each subscriber based on their service tier, enabling both compression efficiency and service adaptability.
2Adaptability or versatility
If dynamic bandwidth allocation based on subscriber service level is implemented, then service differentiation is improved, but system complexity deteriorates
Solution Approach 1:
The gateway is designed with multi-functionality, serving as both a header compression endpoint and a policy enforcement point for tiered service differentiation. The single gateway device performs multiple functions including packet compression, bandwidth management, and service level enforcement, reducing the need for separate specialized devices and thereby managing complexity.
Solution Approach 2:
The system manages complexity by changing parameters (bandwidth limits, compression policies) rather than adding complex structural elements. Each subscriber tier is defined by parameter adjustments to existing gateway functions rather than requiring new hardware or software modules, simplifying the overall system architecture.
3Productivity
If header compression policy is prioritized to enable concurrent operation, then VOIP performance is improved, but bandwidth allocation flexibility deteriorates
Solution Approach 1:
The system performs preliminary configuration of header compression policies and bandwidth allocation rules on the gateway before VOIP calls are established. By pre-configuring the compression policies for different subscriber tiers and pre-establishing bandwidth limits, the system ensures optimal VOIP performance from the start of each call while maintaining the ability to allocate bandwidth flexibly according to service levels.
Data Source
AI summary
One or more computer readable media, methods and systems that allow phone calls involving a mobile telephone to be to be conducted using VOIP technology with header compression of the voice packets and dynamically adjustable tiered subscriber service. A dynamic, tiered-subscriber service allows the bandwidth allotted to users subscribing to different levels of service to be adjusted between sessions to accommodate changing network conditions. Header compression involves compressing the voice packet header into a reduced number of bites. Embodiments of the present invention enable simultaneous header compression and dynamic tiered-subscriber service through a new call flow set up that includes a new policy. The new policy is given preference over the other installed policies and includes new attribute value pairs that enables both header compression and dynamic bandwidth adjustments.