A new approach to fast data transfer

IBM Aspera takes a different approach to tackling the challenges of big data movement over global WANs. Rather than optimize or accelerate data transfer, Aspera completely eliminates underlying bottlenecks using a breakthrough transport technology. It fully utilizes available network bandwidth to maximize speed and quickly scale up with no theoretical limit.   

A transport technology chart showing how Aspera fully uses available bandwidth


At the heart of Aspera’s solutions is the patented FASP® transport software technology. The groundbreaking protocol overcomes the traditional limitations of public internet connections and off-the-shelf hardware to maximize the usage of available bandwidth. The result is to deliver unmatched transfer speeds, end-to-end security, 100% reliability and exceptional bandwidth control.

Read the white paper (PDF, 2.5 MB) 

Technology you can rely on

Maximum speed and reliability

To achieve speeds that are hundreds of times faster than FTP and HTTP, FASP employs existing WAN infrastructure and commodity hardware.

Security-rich protection

To assure exceptional security for business-critical digital assets, Aspera uses open standards cryptography for user authentication, data encryption and data integrity verification.

Software-only design

To make adoption and usage easy, Aspera is a software-only application protocol that runs on commodity hardware and over standard, unmodified IP.

The features of Aspera technology

Extraordinary bandwidth control

The bandwidth utilization algorithm in FASP enables fast, automatic discovery of the bandwidth capacity and its full utilization while remaining fair to other traffic.

Configurable "fair play" to standard TCP traffic

While FASP can fill any available bandwidth, it also includes an intelligent adaptive transmission-rate control mechanism that throttles down for fairness to standard TCP traffic, and automatically ramps back up to fully utilize the unused bandwidth.

Flexible and open architecture

Aspera supports interoperable file and directory transfers between all major operating systems and cloud platforms, and provides a complete, modern software API.

Activity reporting and monitoring

Aspera provides end-to-end transfer progress reporting and detailed performance statistics for real-time monitoring and reporting, and for custom pre- and post-transfer processing.

Aspera File Transfer Calculator

Estimate performance gains over any distance or network condition using Aspera versus TCP


FASPStream transport technology is a revolutionary alternative for error-free transport of any bit rate video over any distance on unmanaged internet with near zero latency. Built on FASP, this streaming technology provides fully reliable in-order byte stream delivery for live feeds and growing files over commodity IP networks using the new streaming architecture. 

Learn about streaming for video (PDF, 963 KB) →


A diagram depicting how Aspera streaming technology works
Diagram of how Aspera direct-to-cloud technology works, sending data from user to cloud data center


Built into our cloud offerings is the unique Aspera direct-to-cloud technology. It integrates FASP high-speed transport with the underlying multi-part HTTP interfaces of the cloud object storage layer, enabling the fastest file uploads and downloads on all major cloud platforms. Aspera cloud products also include key transfer management features such as pause, automatic resume, reporting and encryption over the wire and at rest.

Download the technical white paper (PDF, 1.8 MB) →


The Aspera transfer platform includes autoscale capabilities for dynamic, real-time scale out of transfer capacity. They include automatic start/stop of transfer server instances, available idle instances, automatic balancing of client requests and configurable service levels to manage transfer load per instance. The functionality is complemented by a scale out data store for distributed collection, aggregation and reporting of all transfer details across the auto scale cluster.

A diagram depicting how Aspera autoscale technology works

Deploy cloud-native software

The newest platform supported by the Aspera high-speed transfer server is IBM Cloud Private. The release includes a transformed version of Aspera’s transfer server into modern microservices that leverage Docker containers and Helm charts.

Try Aspera on Cloud

Learn about Aspera’s hosted service to quickly and reliably move and share your data.