A recent white paper from Waltham, Mass.-based ZapThink LLC points out that traditional firewalls inspect message packets, and while some can inspect the content of a message, those inspections are looking for established attack signatures. They can’t read structured, meaningful XML traffic.

Yet XML messages are bulky to begin with, and adding security measures to them, adds to the volume of network traffic. However, network administrators will have to learn to deal with this issue as ZapThink and others believe that XML traffic will account for 35% of network traffic by 2007, up from 3% today.

Read more at: TechTarget