I'm not sure what you mean by elective synchronization, but you can minimize impact by choosing a good schedule for your clients to check the server and download the updates. The client schedules should be staggered a bit anyway. And, SUS utilizes BITS technology, which is bandwidth sensitive on its own.
Dig deeper on Windows Operating System Management
Related Q&A from Rod Trent
Have a question for an expert?
Please add a title for your question
Get answers from a TechTarget expert on whatever's puzzling you.