Point-to-Point Protocol
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Serial Line Internet Protocol
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High-level Data Link Control
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Recently used protocol
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Older protocol
|
Older protocol
|
Used
inestablishing a direct connection
|
Used to handle TCP/IP traffic
|
Used for point to multipoint connections
|
Data link layer
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Physical layer protocol
|
Data link layer protocol
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Provide error checking
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Doesn’t provide error checking
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Provide error correction
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Comprehansive framing mechanism
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Single ended character is there
|
Frames can be transmitted over synchronous or asynchronous
links
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Flag to indicate the start and end of
a frame
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Used escaped character that is oxco to
start and end of the frame
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Begining and end o each fram has to be
identified
|
More robust
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Less robust
|
Less robust
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Identifies the protocol in the data field of the frame
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It has no type field
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Provide reliable data transfer field
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