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Performance Evaluation of Candidate Protocol Stack for Service-based Interfaces in 5G Core Network

机译：5G核心网络中基于服务的基于服务的界面的候选协议栈的性能评估

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摘要

In recent years, the standardization and development about 5G network attract much attention. 3GPP officially confirmed Service-based Architecture(SBA) as the unified infrastructure for 5G core networks(5GC). Service-Based Interface(SBI) is an important component of SBA, used for interaction between Network Function services within 5GC. However, there is no concrete solution for protocol stack of SBI. Due to the fundamental change of core network architecture, the protocol stack used in EPC, such as Diameter/SCTP, is too heavy for the flexible architecture. It may not fulfill the requirements for 5GC. Another candidate solution is using the experience of web-based interaction design, which can provide flexible connection for services in distributed system. Compared to relatively fixed web service, 5GC needs to support diverging architectures for new services, which is more complex and challenging. In this paper, we discuss the requirements for protocol stack of SBI and compare candidate solutions in terms of characteristics and performance. We present a feasible solution that not only meets current requirements but also is fit for the further evolution of 5GC. Meanwhile, the experimental results indicate that our solutions have good performances.
机译：近年来，5G网络的标准化和发展吸引了很多关注。 3GPP正式确认基于服务的架构（SBA）作为5G核心网络（5GC）的统一基础设施。基于服务的界面（SBI）是SBA的重要组成部分，用于在5GC内的网络功能服务之间的交互。但是，SBI的协议栈没有具体解决方案。由于核心网络架构的根本变化，EPC中使用的协议栈（例如直径/ SCTP）对于灵活的架构来说太重了。它可能无法满足5GC的要求。另一个候选解决方案正在使用基于Web的交互设计的体验，这可以为分布式系统中的服务提供灵活的连接。与相对固定的Web服务相比，5GC需要支持新服务的发散架构，这更复杂和具有挑战性。在本文中，我们讨论了SBI协议栈的要求，并在特征和性能方面比较候选解决方案。我们提出了一种可行的解决方案，不仅满足当前要求，而且适合5GC的进一步发展。同时，实验结果表明我们的解决方案具有良好的性能。

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