OASIS Members and other interested parties,Â
Members of the OASIS Topology and Orchestration Specification for Cloud Applications (TOSCA) TC  have recently approved a Special Majority Ballot  to advance TOSCA Simple Profile in YAML Version 1.2 as a Candidate OASIS Standard (COS). The COS now enters a 60-day public review period in preparation for a member ballot to consider its approval as an OASIS Standard.
YAML is a human friendly data serialization standard with a syntax much easier to read and edit than XML. The TOSCA Simple Profile in YAML specifies a rendering of TOSCA which aims to provide a more accessible syntax as well as a more concise and incremental expressiveness of the TOSCA DSL (Domain Specific Language) in order to minimize the learning curve and speed the adoption of the use of TOSCA to portably describe cloud applications.
The TC received 3 Statements of Use from XLAB, AT&T, and Ubicity Corp. .
You can find the prose specification and related files here:
TOSCA Simple Profile in YAML Version 1.2
Candidate OASIS Standard 01
10 October 2018
For your convenience, OASIS provides a complete package of the prose specification and related files in a ZIP distribution file. You can download the ZIP file here:
Public Review Period:
The 60-day public review starts 26 October 2018 at 00:00 UTC and ends 24 December 2018 at 23:59 UTC.
This is an open invitation to comment. OASIS solicits feedback from potential users, developers and others, whether OASIS members or not, for the sake of improving the interoperability and quality of its technical work.
Comments may be submitted to the TC by any person through the use of the OASIS TC Comment Facility as explained in the instructions located via the button labeled "Send A Comment" at the top of the TC public home page, or directly at:
Comments submitted by TC non-members for this work and for other work of this TC are publicly archived and can be viewed at:
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 of âTOSCA Simple Profile in YAML Version 1.2â we call your attention to the OASIS IPR Policy  applicable especially  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.Â
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 may be found at the TC's public home page:
 OASIS Topology and Orchestration Specification for Cloud Applications (TOSCA) TC
 Statements of Use:Â
RF on Limited Terms Mode
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