Sourcing Alternatives Other inter-agency connectivity alternatives are possible beyond that provided by the inter-agency VSAT contract. However use of these and resultant costing will depend on the providing agency. 6) UN Common Directory Service This provides a searchable white pages directory service for United Nations staff. This service is only available to staff members of agencies that have had their global directories shared by agency Headquarters in the common directory infrastructure. Cost Considerations This service is accessible via the Internet, and does not carry any country-specific cost. Sourcing Alternatives There are no alternatives to this service, with the exception of manually maintained local directories. 7) Data Backup Services This service provides 1 Terabyte of data storage space apportioned in slots to each agency. The shared storage space is hosted in the shared data centre and is backed up to tape, and can be considered as an offsite information backup solution in support of agency business continuity plans.