Next generation of microservices for the 5G Service‐Based Architecture,International Journal of Network Management

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Next generation of microservices for the 5G Service‐Based Architecture
International Journal of Network Management ( IF 1.5 ) Pub Date : 2020-08-05 , DOI: 10.1002/nem.2132
João Bourbon Moreira ₁ , Henrique Mamede ₂ , Vasco Pereira ₃ , Bruno Sousa ₃

Affiliation

The architecture for 5G core includes a Service‐Based Architecture for the diverse network functions (NFs), which relies on HTTP/2 for the SBI and TCP as the underlying transport protocol. The specifications of the HTTP family is moving towards more efficient and secure protocols, which are based on UDP to assure enhanced transport but using TLS to secure the communication channel. The next generation of microservices needs to be more secure, performant and easily manageable, where HTTP/3 and containers orchestration platforms (like Kubernetes) can provide significative contributions towards such goals. Different deployment approaches can be followed for services implemented in compliance to the 5G SBA. This paper contributes with the assessment of deployment models for services in 5G networks, where NFs are implemented following traditional architectures (all the functions in a VM) or as serverless architectures (with functions distributed in containers). The performance of microservices in Kubernetes is also evaluated. The evaluation conducted also considers the employment of different versions of HTTPs to empower the service‐based interfaces of 5G services. Results demonstrate performance benefits of employing HTTP/3, based on QUIC protocol, in scenarios with networks characterised by losses or delay conditions. Despite such gain, deployment in 5G networks needs to carefully consider aspects related with connection tracking mechanisms to support high volumes of requests.

中文翻译：

基于5G服务架构的下一代微服务

5G核心的体系结构包括用于各种网络功能（NF）的基于服务的体系结构，该体系结构依赖于SBI的HTTP / 2和TCP作为基础传输协议。HTTP系列的规范正在朝着更加有效和安全的协议发展，这些协议基于UDP以确保增强的传输，但使用TLS来保护通信通道。下一代微服务需要更加安全，高效且易于管理，HTTP / 3和容器编排平台（如Kubernetes）可以为实现这些目标做出重要贡献。对于遵循5G SBA实施的服务，可以遵循不同的部署方法。本文有助于评估5G网络中服务的部署模型，NF是按照传统体系结构（VM中的所有功能）或无服务器体系结构（功能分布在容器中）实现的。还评估了Kubernetes中微服务的性能。进行的评估还考虑了使用不同版本的HTTP来授权5G服务的基于服务的接口。结果证明，在网络具有丢失或延迟条件的情况下，使用基于QUIC协议的HTTP / 3可以带来性能优势。尽管获得了这样的收益，但在5G网络中的部署仍需要仔细考虑与连接跟踪机制相关的方面，以支持大量请求。还评估了Kubernetes中微服务的性能。进行的评估还考虑了使用不同版本的HTTP来授权5G服务的基于服务的接口。结果表明，在网络具有丢失或延迟条件的情况下，使用基于QUIC协议的HTTP / 3可以带来性能优势。尽管获得了这样的收益，但在5G网络中的部署仍需要仔细考虑与连接跟踪机制相关的方面，以支持大量请求。还评估了Kubernetes中微服务的性能。进行的评估还考虑了使用不同版本的HTTP来授权5G服务的基于服务的接口。结果证明，在网络具有丢失或延迟条件的情况下，使用基于QUIC协议的HTTP / 3可以带来性能优势。尽管获得了这样的收益，但在5G网络中的部署仍需要仔细考虑与连接跟踪机制相关的方面，以支持大量请求。

更新日期：2020-08-05

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