This content is 20 years old. I don't routinely update old blog posts as they are only intended to represent a view at a particular point in time. Please be warned that the information here may be out of date.
Windows XP SP2 is big and administrators planning to deploy SP2 should be considering the impact on their networks. Microsoft has published an article on deploying SP2 via SUS, including throttling bandwidth usage and preventing the XP SP2 distribution from effectively killing all other network activity.