Multisite in RTC
One answer
RTC doesn't have the Multisite concept as it can be run across WAN.
To compare RTC with ClearCase Multisite, there's a blog Does Rational Team Concert support MultiSite? introducing how RTC achieve the same function as Multisite.
To compare RTC with ClearCase Multisite, there's a blog Does Rational Team Concert support MultiSite? introducing how RTC achieve the same function as Multisite.