IBM Aspera Enterprise Server is an universal file transfer server built upon Aspera's FASP transport. Enterprise Server offers the following features:

Feature Description
FASP transport technology File transfer protocol that dramatically speeds transfers over IP networks by eliminating the fundamental bottlenecks in conventional technologies. FASP features bandwidth control, resume, transfer encryption, content protection, and data integrity validation.
Transfer server Allows an unlimited number of concurrent client transfers. Uses virtual links to manage aggregate bandwidth usage.
Enterprise Server application A graphical file transfer application for initiating and managing transfers, and for configuring transfer users and server settings.
Pre- and Post-Processing (Prepost) Executes customizable actions when transfer events - start and end of sessions and files - occur. An email notification script is included.
ascp command The command-line file transfer program.
A4 A command-line file transfer program similar to ascp, designed for sending extremely large sets of individual files efficiently.
Aspera Watch Service A service that detects file system change and manages snapshots, optimized for speed, scale and distributed sources. It discovers changes (new files and directories, deleted items, and renames) in source file systems immediately as they occur, eliminating the need to scan the file system.

More features are available with additional licenses:

Feature Description
Aspera Sync A software application that provides high-speed and highly scalable multi-directional, file-based replication and synchronization.
Watchfolders A service that enables large-scale, automated file and directory transfers including ultra-large directories with over 10 million items and "growing file" sources.