The best replacement for noc is ioc.

The best alternatives to noc are rated as following:
★★★★★  ioc
★★  soc
★★  data center
★  nic
★  service desk
★  1080
★  neffy wrap
★  nox
  3m 1080

Your alternative for noc is not listed? Suggest!
Speaking about noc, one probably shouldn't forget about cancellation.

Other search terms related to noc and their ratings are:
★★★★★ cancellation
You have in mind a companion for noc and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of noc in all years. Click on graph for more.
noc
ioc
soc