Ethernet Flow Control

Ethernet flow control is a mechanism for temporarily stopping the transmission of data on Ethernet family computer networks. The first flow control mechanism, the PAUSE frame, was defined by the IEEE 802.3x standard.

The follow-on priority-based flow control, as defined in the IEEE 802.1Qbb standard, provides a link-level flow control mechanism that can be controlled independently for each Class of Service (CoS), as defined by IEEE P802.1p. The goal of this mechanism is to ensure zero loss under congestion in data center bridging (DCB) networks.

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Other articles related to "ethernet flow control, ethernet, flow control, control":

Ethernet Flow Control - Subsequent Efforts - Priority Flow Control
... Ethernet Flow control disturbs the Ethernet class of service (defined in IEEE 802.1p), as the data of all priorities are stopped to clear the existing buffers which might also consist of low ... to this problem, Cisco Systems came up with its own priority flow control extension of the standard protocol ... The MAC control opcode for a Priority pause frame is 0x0101 ...

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