通过区块链在异质SDN中增强东西接口安全性
Hamad Alrashede1, Fathy Eassa1, Abdullah Marish Ali1
1Department of Computer Science, Faculty of Computing and Information Technology, King Abdul Aziz University, Jeddah, Saudi Arabia.
PeerJ. Computer science
|June 26, 2025
概括
本研究介绍了多供应商软件定义网络 (SDN) 的区块链安全框架. 它增强了控制器的安全性,并减轻了异质环境中的威胁.
科学领域:
- 计算机科学 计算机科学
- 网络安全 网络安全
背景情况:
- 不同类型的软件定义网络 (SDN) 环境集成了各种供应商控制器,增加了可扩展性和灵活性.
- 连接这些控制器的东西接口在多供应商部署中面临重大安全威胁.
- 由于攻击的特异性,集中或同质性,现有的安全解决方案对于异质的SDN是不够的.
研究的目的:
- 为异质SDN环境提出一个基于区块链的新型安全框架.
- 为分布式SDN控制器建立一个分散的,强大的和可互操作的安全层.
- 解决多供应商SDN控制器间通信中的安全漏洞和减轻威胁.
主要方法:
- 利用以太坊区块链,为安全功能定制智能合约.
- 实现分布式控制器之间的相互认证,安全数据交换和访问控制.
- 开发了一个分散的安全层来保护东-西接口.
主要成果:
- 该框架有效地减轻了分布式拒绝服务 (DDoS),中间人 (MitM),虚假数据注入和未经授权的访问.
- 实现了每秒大约20个交易的稳定吞吐量.
- 证明了平均认证延迟时间为28-40毫秒.
结论:
- 拟议的区块链框架增强了异质SDN中控制器间通信的安全性.
- 该解决方案是实用的,可扩展的,并保持网络性能.
- 提供了一种可靠的方法来确保现实世界的多供应商SDN部署.
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