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U.S.
Department of Transportation
Data
Federation: Key Challenges
§Assumes data already in storage
§Does not scale well
§High management and maintenance effort and cost
§Data transfer bottlenecks
§Does not address reliability and availability
issues
§No data replication
□Be aware of storage and backups at original
location
§Data security
□Protect against snooping during data transit (e.g.,
use encryption)
□Be aware of security procedures at original
location