通过区块链增强VNF实例化资源共享和访问控制
Anwei Dong1, Xingwei Wang1, Bo Yi1
1College of Computer Science and Engineering, Northeastern University, Shenyang 110169, China.
Sensors (Basel, Switzerland)
|December 9, 2023
概括
本研究介绍了一个区块链框架,用于优化网络功能虚拟化 (NFV) 中的资源共享. 它通过游戏模型和贪算法确保VNF提供商和基础设施所有者的利能力,提高资源利用率和安全性.
科学领域:
- 计算机科学 计算机科学
- 网络工程 网络工程
- 分布式系统 分布式系统
背景情况:
- 网络功能虚拟化 (NFV) 在虚拟化硬件上实现基于软件的网络功能 (VNF).
- 服务功能链 (SFC) 部署涉及复杂的VNF实例化和资源管理.
- 当前的VNF资源共享模式往往无法平衡VNF实例和基础设施提供商的利益.
研究的目的:
- 为VNF资源共享和访问控制提出一个基于区块链的新框架.
- 确保VNF实例和基础设施提供商在VNF实例化期间的利能力.
- 提高NFV环境中的资源利用和安全性.
主要方法:
- 开发一种资源共享游戏模式,以优化利益.
- 引入一个贪匹配算法,以实现高效的资源分配.
- 基于区块链的访问控制机制的设计,用于安全的密钥存储和细粒度控制.
主要成果:
- 拟议的游戏模式和算法促进了资源所有者和基础设施提供商之间的竞争和有效谈判.
- 实现了比标准Stackelberg游戏解决方案的8.1倍的性能改进,在社会效用方面做出了最小的牺牲.
- 与区块链框架内的其他CP-ABE方法相比,增强了安全性并保持了出色的加密/中度解密效率.
结论:
- 区块链框架有效地解决了NFV中的资源共享挑战.
- 提出的模型和算法优化了经济效益和资源利用.
- 该解决方案为VNF部署和管理提供了一种安全,高效和有利可图的方法.
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