显然，任何轮询类型的解决方案都是对端点的更改，但对 WS-RM 逻辑本身的更改应该最少。

Obviously, any kind of polling solution is a change to the endpoints but the change to the WS-RM logic itself should be minimal.

youdao

此方案的优势在于，虽然请求方仍然必须知道使用了某种类型的轮询机制，但服务本身并不必如此。

The advantage of this scenario is that while the requester must still know that some type of polling mechanism is being used, the service itself doesn't.

youdao

FOREST是由纯get或Web轮询用例引申而来的REST模式，包括某些特定类型的混搭，比如feed聚合或筛选器，为其它网页创建摘要的站点，等等。

FOREST is a REST Pattern derived from GET-only or polling Web use-cases, including certain kinds of mashups for e.g. feed aggregators or filters, sites that create summaries of other Web pages etc.

youdao