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Why do we say that Internet Protocol (IP) is an unreliable protocol?

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Why do we say that Internet Protocol (IP) is an unreliable protocol?
posted Mar 24, 2014 by Bhani Bhosle

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1 Answer

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IP is a unreliable protocol because it does not guarantee the delivery of a datagram to its destination. The reliability must be provided by the upper layer protocols like TCP/SCTP. IP does not support flow control, re-transmission, acknowledgement and error recovery.

answer Mar 24, 2014 by Hiteshwar Thakur
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