August 1999
Intermediate to advanced
328 pages
8h 50m
English
Content preview from Voice Over IP
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SIZE OF PACKETS AND KINDS OF TRAFFIC IP SUPPORTS
We continue analyzing the attributes of the Internet by examining the traffic characteristics relating to average size of the protocol data unit (packet), see Figure 2-4(a). The most common packet size is 40 bytes, which accounts for TCP acknowledgements (ACKs), finish messages (FINs), and reset messages (RSTs). Overall, the average packet sizes vary from 175 to about 400 bytes, and 90 percent of the packets are 576 or smaller. Ten percent of the traffic is sent in 1500-byte sizes, which reflects traffic from Ethernet-attached hosts.
Figure 2-4. Traffic characteristics of the Internet
The other ...