IP Fragment
file:PDU Fragmentation-en.png, 400px, An example of the fragmentation of a protocol data unit in a given layer into smaller fragments IP fragmentation is an Internet Protocol (IP) process that breaks network packet, packets into smaller pieces (fragments), so that the resulting pieces can pass through a link with a smaller maximum transmission unit (MTU) than the original packet size. The fragments are reassembled by the receiving Host (network), host. The details of the fragmentation mechanism, as well as the overall architectural approach to fragmentation, are different between IPv4 and IPv6. Process describes the procedure for IP fragmentation, and transmission and reassembly of IP packets. RFC 815 describes a simplified reassembly algorithm. The ''Identification'' field along with the ''foreign'' and ''local internet address'' and the ''protocol ID'', and ''Fragment'' offset field along with ''Don't Fragment'' and ''More Fragments'' flags in the IP header are used for fragme ...
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