zh-translation:/docs/reference/glossary/workload-instance.md (#5725)

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title: Workload Instance
---
A single instantiation of a [workload's](#workload) binary.
A workload instance can expose zero or more [service endpoints](#service-endpoint),
and can consume zero or more [services](#service).
工作负载实例是[工作负载](#workload)的一个二进制实例化对象。
一个工作负载实例可以开放零个或多个[服务 endpoint](#service-endpoint)
也可以消费零个或多个[服务](#service)。
Workload instances have a number of properties:
工作负载实例具有许多属性:
- Name and namespace
- Unique ID
- IP Address
- Labels
- Principal
- 名称和命名空间
- 唯一的 ID
- IP 地址
- 标签
- 主体
These properties are available in policy and telemetry configuration
using the many [`source.*` and `destination.*` attributes](/zh/docs/reference/config/policy-and-telemetry/attribute-vocabulary/).
通过访问 [`source.*` 和 `destination.*` 下面的属性](/zh/docs/reference/config/policy-and-telemetry/attribute-vocabulary/),在 Istio 的策略和遥测配置功能中,可以用到这些属性。