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Subject: construction of URIs identifying XML namespace names

TOSCA TC members,

It's great to see a high level of TC participation and early progress
on the TOSCA TC deliverables. Congratulations!

I took a peek at the Working Draft 01, and spotted one item
for early feedback.  The draft spec uses a default namespace
pattern (and derived URIs as identifiers for plan types
and DeploymentArtifact type values) using the substring
pattern "/ns/tosca/" where we expect "/tosca/ns/".

This was an understandable point of confusion because the
Naming Directives document was under revision recently.
We attempted to flag the change in the JIRA comment [1] and
in the boilerplate Starter Template sent by Paul Knight
in December [2], but the detail got lost in the weeds.

It should not be a big deal, since URIs identifying XML
namespace names and derived properties are just strings,
but for internal/operational reasons, we are asking that
the new construction pattern documented in the updated
Naming Directives [3] be followed:


I spotted these instances in the WD01 draft spec:


I. Declared XML namespace

for:  http://docs.oasis-open.org/ns/tosca/2011/12
want: http://docs.oasis-open.org/tosca/ns/2011/12

II. plan type URIs

for:  http://docs.oasis-open.org/ns/tosca/2011/12/PlanTypes/BuildPlan
want: http://docs.oasis-open.org/tosca/ns/2011/12/PlanTypes/BuildPlan

for:  http://docs.oasis-open.org/ns/tosca/2011/12/PlanTypes/TerminationPlan
want: http://docs.oasis-open.org/tosca/ns/2011/12/PlanTypes/TerminationPlan

III. DeploymentArtifact type value (example)
for:  http://docs.oasis-open.org/ns/tosca/2011/12/deploymentArtifacts/ovfRef
want: http://docs.oasis-open.org/tosca/2011/12/ns/deploymentArtifacts/ovfRef

Similarly for any named properties, functions, type values, etc where
these TOSCA-spec URIs are based upon the HTTP scheme URI starting
with http://docs.oasis-open.org/ (http://docs.oasis-open.org/tosca/ns/xxxx )


Let me know if there are any questions.


- Robin

Robin Cover
OASIS, Director of Information Services
Editor, Cover Pages and XML Daily Newslink
Email: robin@oasis-open.org
Staff bio: http://www.oasis-open.org/who/staff.php#cover
Cover Pages: http://xml.coverpages.org/
Newsletter: http://xml.coverpages.org/newsletterArchive.html
Tel: +1 972-296-1783

======== References

[1] JIRA comment:

The XML namespace names, if HTTP scheme URIs, need to be formed
using the official tc-shortname, and respecting lower-case
thus... e.g.,

[2] Starter Template
Starter Document for Topology and Specification for Cloud Applications Version 1.0 (attached)
  = TOSCA-v1.0-wd01.doc

Includes on the cover page:
Declared XML namespaces:

[3] Naming Directives (v1.2)

XML Namespace Identifiers and Namespace Documents

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