The Taverna team are pleased to announce the release of Taverna Server 2.3.
This release is a feature-complete version of the Taverna 2 Server
that is provided as a basis for deployments of server-ized Taverna in
a multi-user environment. This version of the Server is based on the
Taverna 2.3 codebase. Detailed documentation for the Server is
available on-line.
In addition to its improved performance, this release supports a
number of new key features:
* Based on Taverna 2.3
* Multiple users, with strong separation between them.
* Limited persistence over service restarts, depending on exact
deployment.
* Workflow run introspection capabilities; clients can ask the server
what inputs they should supply and what outputs were provided.
* Workflow run termination notifications through multiple mechanisms
(RSS feed, email, SMS, twitter, etc. depending on deployment).
* Security, both of access to the service and access by the workflow
runs to other services.
* Administrative REST interface including resource accounting
* Streaming of large files both for download and upload.
This is in addition to the features supported by the previous version
of Taverna 2 Server:
* Upload and Execution of arbitrary Taverna 2 workflows
* Access to Workflowâs Interim Output Files; no need to wait for the
workflow to finish if the results are available sooner
* Safe File Management for handling results; workflows cannot
interfere with each others files
* Simple mechanism for Removal of Expired Workflows
* Support for both RESTful and SOAP APIs, for easier tooling
* JMX-based Management API
There remain a number of known-missing features; notably these include
access to:
* Provenance Database
* Workflow Execution Model
A Ruby Gem for interfacing to the Server via its REST interface is
available. A Virtual Machine and Demonstrator Interface will be
released soon.
Taverna Server 2.3 can be downloaded from
http://www.taverna.org.uk/download/server/2-3/
The Ruby Gem is available at
http://www.taverna.org.uk/download/server/client-side-stuff/
Alan Williams
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