Minor Release: Enterprise Server, Connect Server, Point-to-Point Client and Client version 3.4.6

The Aspera transfer servers and transfer clients combine patented Aspera FASP technology, comprehensive transfer and user management, and optimized cloud I/O for cloud deployments to move large data sets over the WAN with unrivaled speed, flexible bandwidth control, and bullet-proof security, regardless of transfer distances, file sizes or network conditions.

This latest release includes Aspera Sync 1.5.6 as well as a host of core, GUI, and cloud features listed below.

Core Features

  • Core features include new ascp command options to only allows transfers of files newer than a specified timestamp or create versioned copies for transfers of the same file (which allows the saving of the same file with version numbers (file.1, file.2, etc)
  • A new internal REST API supports transfer initiation between Aspera nodes, including the new node-to-node transfer capability in Aspera Shares. The API is available to third parties using the Aspera SDK.
  • Support for metadata tags in Aspera transfer sessions allows structured data to be passed to the session.
  • Multiple improvements to the faspcat binary used within the bytestream API.
  • The generation of transfer tokens is now considerably faster and more CPU efficient, allowing for better CPU utilization by high-concurrency transfer access in Faspex and Shares.
  • Files with the suffix .aspx or other specified resume suffix are now excluded by default regardless of whether file resume is enabled in aspera.conf.
  • A new configuration parameter <enable_sslv2> can be used to disable SSLv2, but only for the Node API—not for HTTPS fallback or Connect Server.
  • Enterprise Server, Connect Server, Point-to-Point, and Client have been updated to OpenSSL 1.0.1h.

GUI Features

  • The desktop UI for scheduling transfers provides a new option for continuous periodic scheduling to repeat every specified number of minutes. This feature can function as a “hot folder” on all platforms, including cloud storage or those non-Windows platforms that do not have the hot folder feature.
  • Periodic scheduling: Before queuing transfers, the periodic scheduling feature verifies that source items have not been previously transferred and are not in the process of being written.
  • Users can now select an alternative skin for the GUI in order to solve some remote desktop and screen-sharing issues in slow connections, which is useful on Windows where the number of files is extremely large.
  • Multiple improvements in the Aspera hot folder service display and GUI reporting, achieving better scaling with larger numbers of files (1000+).

Cloud Features

  • Concurrent transfer capabilities have been enhanced for transfers to cloud storage.
  • The chunk size used for I/O with cloud storage can now be changed from the default size of 128 MB to larger sizes with stable memory usage and good performance.
  • Changed the MIME type for MP3 files in AWS S3 to be audio/mpeg from audio/mpeg3.


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