Invitation to comment on TOSCA Version 2.0

Public review - ends July 27th

OASIS and the OASIS Topology and Orchestration. Specification for Cloud Applications (TOSCA) TC are pleased to announce that TOSCA Version 2.0 is now available for public review and comment. This 30-day review is the third public review for this specification.

About the specification draft:

The Topology and Orchestration Specification for Cloud Applications (TOSCA) provides a language for describing application components and their relationships by means of a service topology, and for specifying the lifecycle management procedures for creation or modification of services using orchestration processes. The combination of topology and orchestration enables not only the automation of deployment but also the automation of the complete service lifecycle management. The TOSCA specification promotes a model-driven approach, whereby information embedded in the model structure (the dependencies, connections, compositions) drives the automated processes.

The documents and related files are available here:

TOSCA Version 2.0
Committee Specification Draft 06
20 June 2024


For your convenience, OASIS provides a complete package of the specification document and any related files in ZIP distribution files. You can download the ZIP file at:

How to Provide Feedback

OASIS and the TOSCA TC value your feedback. We solicit input from developers, users and others, whether OASIS members or not, for the sake of improving the interoperability and quality of our technical work.

The public review starts 02 July 2024 at 00:00 UTC and ends 31 July 2024 at 23:59 UTC.

Comments may be submitted to the TC by any person directly at:
Please use a subject line like “Comment on TOSCA”.

Comments submitted by for this work and for other work of this TC are publicly archived and can be viewed at:
Previous comments on TOSCA works are archived at https://lists.oasis-open.org/archives/tosca-comment/

All comments submitted to OASIS are subject to the OASIS Feedback License, which ensures that the feedback you provide carries the same obligations at least as the obligations of the TC members. In connection with this public review, we call your attention to the OASIS IPR Policy [1] applicable especially [2] to the work of this technical committee. All members of the TC should be familiar with this document, which may create obligations regarding the disclosure and availability of a member’s patent, copyright, trademark and license rights that read on an approved OASIS specification.

OASIS invites any persons who know of any such claims to disclose these if they may be essential to the implementation of the above specification, so that notice of them may be posted to the notice page for this TC’s work.

Additional information about the specification and the TOSCA TC can be found at the TC’s public home page:

Additional information related to this public review, including a complete publication and review history, can be found in the public review metadata document [3].

========== Additional references:

[1] https://www.oasis-open.org/policies-guidelines/ipr/

[2] https://groups.oasis-open.org/communities/tc-community-home2?CommunityKey=f9412cf3-297d-4642-8598-018dc7d3f409
“RF (Royalty Free) on Limited Terms”

[3] Public review metadata document: