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Deploying external bandwidth guaranteed media server clusters for real-time live streaming in media cloud.
Weizhan Zhang1, Zhichao He1, Biao Du1
1MOEKLINNS Lab, Department of Computer Science and Technology, Xi'an Jiaotong University, Xi'an, China.
Plos One
|April 4, 2019
Summary
This study introduces a new method for deploying media server clusters in cloud environments. It ensures live streaming quality by optimizing bandwidth usage within data centers and externally.
Area of Science:
- Computer Science
- Cloud Computing
- Network Engineering
Background:
- Cloud-based media streaming offers cost savings for service providers.
- Real-time live streaming demands significant bandwidth and quality.
- Deploying virtual machine (VM)-hosted media servers in clouds presents bandwidth challenges.
Purpose of the Study:
- To propose a deployment scheme for media server clusters in media clouds.
- To guarantee external bandwidth for real-time live streaming applications.
- To optimize internal bandwidth utilization within data center networks (DCNs).
Main Methods:
- Developed an external-bandwidth-guaranteed media server cluster deployment scheme.
- Modeled the problem as a novel terminal-Steiner-tree-like problem.
- Provided an approximate algorithm for media server placement.
Main Results:
- The proposed scheme successfully guarantees external bandwidth for live streaming.
- Significantly reduced intra-bandwidth utilization in media clouds.
- Demonstrated effectiveness across various DCN structures.
Conclusions:
- The scheme effectively balances external bandwidth needs with internal DCN efficiency.
- Offers a viable solution for deploying high-quality live streaming services in cloud environments.
- Optimizes resource allocation for bandwidth-intensive multimedia applications.
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