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upstream
(redirected from upriver)

    Also found in: Dictionary/thesaurus, Wikipedia 0.03 sec.

upstream

From the consumer to the provider. See downstream.

upstream
1. in or towards the higher part of a stream; against the current
2. (in the oil industry) of or for any of the stages prior to oil production, such as exploration or research
upstream [′əp¦strēm]
(chemical engineering)
That portion of a process stream that has not yet entered the system or unit under consideration; for example, upstream to a refinery or to a distillation column.
(hydrology)
Toward the source of a stream.
(networking)upstream - Fewer network hops away from a backbone or hub. For example, a small ISP that connects to the Internet through a larger ISP that has their own connection to the backbone is downstream from the larger ISP, and the larger ISP is upstream from the smaller ISP.


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