The best replacement for dcom is corba.

The best alternatives to dcom are rated as following:
★★★★★  corba
★★★★  web services
★★  com
★★  net remoting
★★  dcoe
★  remoting
★  com+
  synnex
  .net remoting
  vcom

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

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



Google Trends

Scale is based on the average worldwide traffic of dcom in all years. Click on graph for more.
dcom
corba
web services