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This Concept Map, created with IHMC CmapTools, has information related to: chp21, IP Encapsulation, Fragmentation, and Reassembly Encapsulation When IP datagram is encapsulated in a frame, the entire datagram is placed in the data area of a frame., IP Encapsulation, Fragmentation, and Reassembly transmissions When a datagram arrives in network frame, the receiver extracts the datagram from the frame data area and discards the frame header., IP Encapsulation, Fragmentation, and Reassembly ???? A datagram cannot be larger than the MTU of a network over which it is sent., IP Encapsulation, Fragmentation, and Reassembly Reassembly The process of creating a copy of the original datagram from fragments is called reassembly., A datagram cannot be larger than the MTU of a network over which it is sent. fragments When a router recieves a datagram that is larger than the MTU of the network over which it is to be sent, the router divides the datagram into smaller pieces called fragments., When IP datagram is encapsulated in a frame, the entire datagram is placed in the data area of a frame. ???? A datagram is encapsulated in a frame for transmission across a physical network., When a router recieves a datagram that is larger than the MTU of the network over which it is to be sent, the router divides the datagram into smaller pieces called fragments. ???? Each fragment uses the IP datagram format, but carries only part of the data., A datagram cannot be larger than the MTU of a network over which it is sent. What is MTU? Maximum transmission unit-specifies the maximum amount of data that a frame can carry.