Upstream server

（重定向自Origin Server）

In computer networking, upstream server refers to a server that provides service to another server. In other words, upstream server is a server that is located higher in the hierarchy of servers. The highest server in the hierarchy is sometimes called the origin server. The inverse term, downstream server, is rarely used.

单词	Origin Server
释义	Origin Server 英语百科 Upstream server （重定向自Origin Server） In computer networking, upstream server refers to a server that provides service to another server. In other words, upstream server is a server that is located higher in the hierarchy of servers. The highest server in the hierarchy is sometimes called the origin server. The inverse term, downstream server, is rarely used.
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