workload myths: prevalence of IP fragmentation

myth:
there is no fragmented traffic
data:
while it is true that overall only a small amount (1-2%) of Internet traffic is fragmented, fragmented traffic can surge to 8% by packets and 10% by bytes in some hour-long periods.
Some protocols, for example IGMP, have fragmented traffic far exceeding non-fragmented traffic.


myth:
fragmented traffic exists only on LANs
data:
we've monitored aggregated exchange points and backbone links.