Managing the Links
This section introduces a collection of miscellaneous topics that we have labeled Link Management. They include:
Flow Control
Initialization and Reset
Configuration
Error Detection and Handling
Each of these topics is discussed in the following sections.
Flow Control
Other than information packets, all packets are transmitted from a transmitter to a buffer in the receiver. The receiver buffer will overflow if the transmitter sends too many packets. Flow control ensures that the transmitter only sends as many packets to the receiver device as buffer space allows.
Information packets are not subject to flow control. They are not transmitted to buffers within a device. Devices are always ready to accept information packets (e.g. ...
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