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TRAQR: Trust aware End-to-End QoS routing in multi-domain SDN using Blockchain
Journal of Network and Computer Applications ( IF 8.7 ) Pub Date : 2021-03-22 , DOI: 10.1016/j.jnca.2021.103055
Prashanth Podili , Kotaro Kataoka

Recent advances in today’s Internet introduced huge demand for End-to-End Quality of Service (E2E QoS) assurances for delivering different types of traffic (video, live streaming, and telemedicine), originating from a wide spectrum of applications. Such applications stretch across multiple administrative domains and require fair and robust coordination for E2E QoS provisioning. While the selection of trusted domains is of paramount importance for the successful realization of E2E QoS, the issue of domain’s trust while finding E2E QoS paths has not been actively explored in the existing works. Trust awareness reduces the risk of violating QoS and improves the confidence of operating QoS across multiple domains. However, identifying trusted domains, finding the source of trust, and quantifying trust are the major challenges for enabling trust aware E2E QoS routing. Auditability of QoS implementation results at each domain forms a vital source for verifying QoS compliance and subsequently evaluating the trust of the domain. However, securely obtaining logs from the domains and identifying the accountability of domains for E2E QoS, without relying on a third party introduces significant difficulty when evaluating domain trust with respect to QoS compliance. This work proposes Trust aware E2E QoS Routing (TRAQR) framework for provisioning E2E QoS with trust and verifying the QoS compliance in Multi-Domain Software Defined Networks (MD-SDN). TRAQR efficiently leverages the tamper-proof and decentralized properties of Blockchain to store and exchange different kinds of trust information required to provision and verify E2E QoS compliance of the domains. This work developed a proof of concept implementation of the TRAQR in an MD-SDN environment emulated using Mininet, RYU SDN controller, Ethereum Blockchain and Smart Contracts to demonstrate the performance and benefits of TRAQR. Further, the simulations showed that the domain trust parameter introduced significant improvement in QoS compliance, even in the presence of untrusted domains.



中文翻译:

TRAQR:使用区块链的多域SDN中的信任感知端到端QoS路由

当今Internet的最新进展引入了对端到端服务质量(E2E QoS)保证的巨大需求,以提供源自各种应用程序的不同类型的流量(视频,实时流和远程医疗)。这样的应用程序跨越多个管理域,并且需要公平,强大的协调来进行E2E QoS设置。尽管对成功实现E2E QoS而言,选择受信任域至关重要,但是在现有工作中并未积极探讨在寻找E2E QoS路径时域的信任问题。信任意识降低了违反QoS的风险,并提高了跨多个域运行QoS的信心。但是,确定受信任的域,找到信任的来源,实现信任感知的端到端QoS路由是主要挑战。每个域的QoS实施结果的可审核性是验证QoS遵从性并随后评估域的信任的重要来源。然而,在不依赖第三方的情况下,安全地从域中获取日志并识别域对E2E QoS的责任,这在评估有关QoS遵从性的域信任时会带来很大的困难。这项工作提出了一种信任感知的E2E QoS路由(TRAQR)框架,用于为信任提供E2E QoS并验证多域软件定义网络(MD-SDN)中的QoS遵从性。TRAQR有效地利用了区块链的防篡改和分散属性来存储和交换提供和验证域的E2E QoS合规性所需的各种信任信息。这项工作开发了在MD-SDN环境中TRAQR的概念验证实施,该环境使用Mininet,RYU SDN控制器,以太坊区块链和智能合约进行了仿真,以演示TRAQR的性能和优势。此外,仿真表明,即使在存在非信任域的情况下,域信任参数也可以显着提高QoS遵从性。以太坊区块链和智能合约,以展示TRAQR的性能和优势。此外,仿真表明,即使在存在非信任域的情况下,域信任参数也可以显着提高QoS遵从性。以太坊区块链和智能合约,以展示TRAQR的性能和优势。此外,仿真表明,即使在存在非信任域的情况下,域信任参数也可以显着提高QoS遵从性。

更新日期:2021-03-27
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