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SAMP v1.3 Proposed Recommendation: Request For Comments

This page contains public discussion of the SAMP v1.3 Proposed Recommendation. The RFC was announced on 12 December 2011 and will run until 29 January 2012 (period extended in consideration of the Christmas break).

Version under review

PR-SAMP-1.3-20111128

RFC Review Period

12 December 2011 - 29 January 2012

Change Summary

The main change between the previous version 1.2 and this version 1.3 is the addition of a new section (Section 5) defining the new SAMP Web Profile. Some other more minor changes and clarifications have been made elsewhere in the document as listed in Appendix B.

This document has been developed within the public subversion repository Volute, in directory projects/samp/doc. The exact changes between the 1.2 REC and 1.3 PR LaTeX source files can be seen on this diff page.

Implementations and Validators

There are two interoperating implementations of the entire SAMP standard, including the new Web Profile:

SAMPy (Python)

From version 1.2.1 includes a Web Profile hub implementation. This currently has one small incompatibility in the registration call (left over from a previous draft of the standard) which will be fixed in the next release.

JSAMP (Java)

From version 1.3-1 includes a Web Profile hub implementation and (mainly for testing) a Web Profile client.

A Web Profile client implementation library (working, though not beautiful) in JavaScript (which, unlike Python and desktop Java, is one of the languages it makes sense to write Web Profile clients in) is available at http://www.star.bristol.ac.uk/~mbt/websamp/, along with a few examples of web pages that use it.

These all work with no known problems, except that the Web Profile doesn't work from all browsers (Firefox, IE, Chrome, Safari all OK, Opera not working, others not tried). This is down to variable implementation of relevant standards in browsers, and not unexpected.

JSAMP contains a hub validation suite which tests pretty much all of SAMP and runs without error against both SAMPy and JSAMP hubs. There is not however a comprehensive validation suite that runs from a web page, which might be a good idea for testing the Web Profile.

-- MarkTaylor - 08 Dec 2011

In order to add a comment to the document, please edit this page and add your comment to the list below. When the author(s) of the document have considered the comment, they will provide a response after the comment.

Additional discussion about any of the comments or responses may be conducted on the apps-samp@ivoa.net mailing list. However, please enter your initial comments here for full consideration in any future revisions of this document.

IVOA Community Comments during RFC period (12 Dec 2011 - 29 Jan 2012)

TCG Comments during the RFC period (12 Dec 2011 - 29 Jan 2012)

(TCG members are encouraged to consider the document during the RFC stage so that any problems can be addressed before the TCG Review stage when the chair or vice chair of each WG will be required to review it).

Applications WG (MarkTaylor, EnriqueSolano)