Unformatted text preview: Framing adds addresses for the sender and receiver. They can be fixed or variable sized, which can have much to do with the amount of errors (how many frames are affected.) b. Flow control – this defines how much data can be sent before it must receive an acknowledgement from the receiver. The data mustn’t overwhelm the receiver. c. Error control – this is both error detection and correction. Because of this, the receiver can tell the sender of damaged frames and organize a way to get them back correctly. 4. Explain the concept of acknowledgement and negative acknolowedgement. An acknowledgement is a message sent back to the receiver to let it know the message was sent correctly. Negative acknowledgment is a message transmitted to indicate that some data has been received incorrectly...
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- Spring '11
- Information Theory, Error detection and correction, error detection