Dynamic Bandwidth Allocation in Circuit Emulation Service Over IP
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Solution Overview
Problem
Current CES recommendations for migrating from circuit-switched services to VoIP are costly and error-prone, particularly due to static bandwidth allocation and the lack of dynamic bandwidth management in packet-switched networks, which can lead to inefficiencies and quality issues.
Innovation Solution
The method provides dynamic bandwidth management in a circuit-switched emulation service over IP without using ATM methods or RTCP packets, employing an in-band mechanism where a call controller allocates static UDP ports for each endpoint to manage bandwidth dynamically within encapsulated UDP/IP/RTP/CESoIP packets, ensuring efficient allocation and synchronization of active channels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If static bandwidth allocation is used in CESoIP service, then implementation simplicity is improved, but bandwidth utilization efficiency deteriorates
Solution Approach 1:
The patent implements dynamic bandwidth allocation by allowing the bandwidth parameter to be modified during service operation. The system transitions from static to dynamic bandwidth management by enabling real-time adjustments based on actual traffic requirements, thereby improving bandwidth utilization efficiency while maintaining reasonable implementation complexity through controlled dynamic changes.
2Loss of energy
If dynamic bandwidth management is implemented, then bandwidth utilization efficiency is improved, but system complexity increases
Solution Approach 1:
The patent changes the bandwidth parameter from fixed to variable during service operation. By allowing dynamic modification of the bandwidth parameter without changing the fundamental service architecture, the system achieves improved bandwidth utilization while controlling complexity through parameter adjustment rather than structural redesign.
3Adaptability or versatility
If current CES recommendations are followed, then migration from TDM to VoIP can be achieved, but migration cost increases
Solution Approach 1:
The patent enables the CESoIP service to dynamically self-adjust its bandwidth allocation based on actual traffic needs without requiring external intervention or complex provisioning systems. This self-service capability reduces migration costs by eliminating the need for expensive external bandwidth management systems while maintaining full migration capability from TDM to VoIP.
Data Source
AI summary
Method and apparatus provide in-band dynamic bandwidth management in a circuit-switched emulation service over Internet Protocol.