arXiv:2607.20490cs.AIcs.DC2026-07

为边缘AI部署设计自适应资源调度框架,提升实时性与灵活性。

CRAWO: Custom Resources for Adaptive Workload Orchestration

论文配图:CRAWO: Custom Resources for Adaptive Workload Orchestration
图 1 · 摘自论文原文
  • 通过控制闭环架构分离调度逻辑与执行,实现动态资源分配。
  • 在车辆监控场景中降低对中心云依赖,优化任务分布效率。
  • 基于K3s和CRD的轻量级实现,适合资源受限的边缘环境。

边缘智能已成为智慧城市实时应用的关键范式,通过将计算从中心化云数据中心移至网络边缘,以降低延迟并减少带宽消耗。然而,在异构边缘基础设施上部署人工智能(AI)管道仍具挑战,设备能力跨度大,从低功耗微控制器到配备加速器的系统不等。现有边缘编排平台主要关注部署自动化和基础设施管理,但此类方法常效率低下,难以在动态条件下自适应地分配资源。为此,本文提出CRAWO(Custom Resources for Adaptive Workload Orchestration),一种用于协调分布式边缘环境中AI流水线的架构框架。CRAWO采用基于控制环的模型,将分配智能与执行解耦,通过管理部署决策、状态维护及阶段间数据流,在边缘节点实例化服务。框架集成硬件感知分配器,具备可插拔的多准则决策层,利用实时基础设施指标实现自适应工作负载放置。参考实现采用微服务架构,部署于轻量级Kubernetes发行版(K3s),使用自定义资源定义(CRDs)进行领域建模,并通过专用操作符实现状态同步。在基于车牌识别的车辆监控场景中评估表明,该框架提升了工作负载分布性能,减少了对中心云处理的依赖,适用于高延迟敏感环境。

原文摘要 · Abstract (English)

Edge Intelligence has emerged as a key paradigm for enabling real-time applications in smart cities by shifting computation from centralized cloud data centers to the network edge, thereby reducing latency and bandwidth consumption. However, deploying Artificial Intelligence (AI) pipelines across heterogeneous edge infrastructures remains challenging due to the wide range of device capabilities, from low-power microcontrollers to accelerator-equipped systems. Existing edge orchestration platforms primarily focus on deployment automation and infrastructure management, but these approaches are often inefficient and limit the ability to adaptively allocate resources under dynamic conditions. To tackle these issues, this paper introduces CRAWO (Custom Resources for Adaptive Workload Orchestration), an architectural framework for coordinating AI pipelines across distributed edge environments. CRAWO follows a control-loop-based model that separates allocation intelligence from execution by managing placement decisions, state management, and inter-stage data flows while instantiating services on edge nodes. The framework incorporates a hardware-aware allocator with a pluggable multi-criteria decision layer that leverages real-time infrastructure metrics to enable adaptive workload placement. The reference implementation adopts a microservices architecture deployed on a lightweight Kubernetes distribution (K3s), using Custom Resource Definitions (CRDs) for domain modeling and a dedicated operator for state reconciliation. Evaluation in a vehicle surveillance scenario using license plate recognition demonstrates improved workload distribution and reduced reliance on centralized cloud processing in latency-sensitive environments.

边缘计算AI调度K3s微服务

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