基于微服务的软件定义车辆中的时序可变性研究综述
A Survey of Timing Variability in Microservice-Based Software-Defined Vehicles
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中文总结 AI 辅助
该综述以软件定义车辆为示例，探究基于微服务系统的时序可变性，对比时序模型类别并总结其在软件定义车辆中的局限性。
中文摘要 AI 辅助
基于微服务的系统具备模块化与适应性，但分布式结构使其时序行为难以分析和保障。由于延迟源于服务依赖、共享资源及协调中间件之间的交互，局部时序干扰会传播为系统级影响。本综述以软件定义车辆为示例，探究基于微服务的系统中时序可变性的来源、传播机制及可观测影响；按工作负载稳定性、执行结构、资源共享、可观测性及保证可接受性等假设，对比主要时序模型类别，并总结其在基于微服务的软件定义车辆中的局限性。
英文摘要
Microservice-based systems are modular and adaptable, but their distributed structure makes their timing behavior difficult to analyze and guarantee. Because latency emerges from interactions among service dependencies, shared resources, and coordinating middleware, local timing disturbances can propagate into system-level effects. This survey examines the sources, propagation mechanisms, and observable impacts of timing variability in microservice-based systems, using software-defined vehicles as a motivating example. It compares major classes of timing models by their assumptions about workload stability, execution structure, resource sharing, observability, and guarantee admissibility, and summarizes their limitations within microservice-based software-defined vehicles.
