Local Area High Speed Networks

C

canonical format

The format of a data frame in which the bytes of any MAC addresses conveyed in the user data field have the same bit ordering as in the hexadecimal representation.

Canonical Format Indicator (CFI) flag

A flag in a tag header that indicates whether the frame contains an embedded routing information field (E-RIF).

carrier extension

For half-duplex Gigabit Ethernet, the addition of nondata symbols to the end of frames that are less than 512 bytes in length.

Carrier Sense Multiple Access with Collision Detection (CSMA/CD)

The medium access protocol used for classical half-duplex Ethernet. A station waits until the medium is free before transmitting. If two stations transmit concurrently, a collision occurs, ...