Cacheability
Cacheability is the property determining whether a response or resource representation may be stored and reused for equivalent subsequent requests under freshness and validity rules.
Building Web APIs with ASP.NET Core
Cacheability is the REST constraint that specifies whether and for how long a response may be reused from a cache.
- How it is used
- Uses response labels to permit safe reuse, reduce client work, and support web API performance and scalability.
- How deep it goes
- Defines response reuse and demonstrates attribute settings, stopping at HTTP headers rather than detailing cache internals.
- Examples
- Shows [ResponseCache] configured with a 60-second duration for cacheable responses and NoStore for noncacheable responses.
- What you can do after
- Apply it via ASP.NET Core [ResponseCache] to label controller responses cacheable or noncacheable.
Read how Building Web APIs with ASP.NET Core explains cacheability →
Acing the CCNA Exam: Volume 2 Advanced Networking and Security
Cacheability is the property that determines whether a resource representation may be temporarily stored and reused.
- How it is used
- Uses cacheability as a REST constraint for deciding whether resource representations can be stored and reused.
- How deep it goes
- Defines temporary reuse, efficiency benefits, marking requirements, and freshness and security limitations without implementation details.
- Examples
- Uses repeated resource retrieval, frequently updated information, and sensitive information as caching scenarios.
- What you can do after
- Evaluate whether REST resources should be cached and recognize freshness and security risks.
Read how Acing the CCNA Exam: Volume 2 Advanced Networking and Security explains cacheability →
Related concepts
- RESTused by · REST is an architectural style for distributed hypermedia systems that organizes interactions around resources and representations through constraints including a uniform interface, stateless communication, cacheability, and layered components.
- response cache attributeconfigured by · The ResponseCache attribute is an ASP.NET Core attribute that specifies response-caching metadata and behavior for an action or endpoint.
- contractused by · An API contract is a specification of the operations, data, and behavioral expectations that govern interactions between software components.
- Cache-Controlconfigured by · Cache-Control is an HTTP header field containing directives that govern caching of requests and responses by clients, servers, and intermediary caches.
- performanceaddresses · Performance is the measurable effectiveness or operational behavior of a system under specified conditions, assessed through relevant qualities such as task results, speed, responsiveness, throughput, or resource use.
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