Vantage and Disaster Recovery Planning

My company is working on creating a disaster recovery plan. Does anyone
know if Vantage supports any type of realtime failover? If a domain
controler went down, is Vantage domain reliant or can it function
without a domain controler?

Thanks,

David Pfiester
Systems Accountant
NuStep Inc.
Phone: 734-769-3939 x150
Fax: 734-769-8180