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Packets

The unit of data that can be transferred at one time over a network is called a packet.

The packet header includes:

  1. the origin address
  2. the destination address
  3. the position of the packet in the message (so it can be reassembled at the destination in the correct order).

Though the packet size is limited, it may contain any amount of data up to the limit.

Figure 5: All data is transfer across the Internet in packets. A sender divides a message or document into packets.
\scalebox{0.5}{\includegraphics{eps/packets.eps}}


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``CMPT 165: Review'' by Tamara Smyth, Computing Science, Simon Fraser University.
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Copyright © 2011-12-05 by Tamara Smyth.
Please email errata, comments, and suggestions to Tamara Smyth<tamaras@cs.sfu.ca>
School of Computing Science,   Simon Fraser University