[Sis-ams] Draft documents

[Scott Burleigh]

Kizzort, Brad wrote:
> Scott,
> 
> The DDS specification that was adopted is the model and a mapping to
> IDL, not the wire protocol.  It is available in the public documents
> section (I verified that I could access without loggin in).

Yes, I knew that had been around for quite a while.

> RTI may be suggesting an RFC for the wire protocol.  OMG allows an
> RFC process for a technology that has already been fielded.  I don't
> know if the RTPS-DDS protocol specification was presented in January
> in Burlingame.  I didn't see it explicitly on the agenda for the
> related task forces.
> 
> Most OMG standards are initiated by an RFP from the OMG.  The steps
> after the RFP are: 1) Submission of letters of intent (LOI) 2)
> Submission of proposals 3a) Resolution of differences in a joint
> submittal by proposers or 3b) Selection of a proposal 4) Adoption (or
> rejection) 5) Finalization 6) Publication.
> 
> The RFC process essentially starts with distribution of the proposal
> for comment and then continues with steps 4, 5, and 6.

Yes, that sounds like what's going on.  Thanks for the clarification.

Scott

> -----Original Message----- From: sis-ams-bounces at mailman.ccsds.org 
> [mailto:sis-ams-bounces at mailman.ccsds.org]On Behalf Of Scott Burleigh
>  Sent: Monday, April 04, 2005 11:41 AM To: sis-ams at mailman.ccsds.org 
> Subject: Re: [Sis-ams] Draft documents
> 
> 
> Kizzort, Brad wrote:
> 
>> Scott,
>> 
>> There is a real-time publish subscribe specification that was
>> adopted within OMG last year.
> 
> 
> Ah, I hadn't realized the the complete specification had been
> formally adopted already; it's not yet listed in the Catalog of OMG
> Specifications.  In a presentation by RTI and Thales, dated 1
> November 2004, there's an "RFC Roadmap" slide that says "initial
> presentation of RTPS-DDS protocol document" was scheduled for the
> January 2005 OMG meeting, with "present as RFC for adoption" not
> scheduled until the June 2005 OMG meeting.  But maybe the document
> these items refer to is not the RTPS wire protocol spec but just the
> detailed mapping of DDS to that protocol?
> 
> It was co-written by OIS, RTI, and Thales, so it is probably similar
> 
>> to the RTPS IEC standard, although I have not looked at the IEC
>> standard.  The OMG specification is freely available from
>> www.omg.org in the documents section. Its document ID is:
>> formal/04-12-02.pdf, Data Distribution Service.
> 
> 
> Excellent.  But I believe that section of the web site is available
> to members only, and membership charges range from $500 to $12,000
> per year, so unfortunately I still can't easily read the document.
> 
> RTI and
> 
>> Thales are both offering or going to offer compliant products and
>> there is an open source DDS effort underway.
>> 
>> DDS is currently a model-based specification, but there is a
>> definite interest in defining wire protocols for interoperability
>> between products much like IIOP provides for CORBA.  That
>> specification effort has not been kicked off, yet, but I believe a
>> Request For Proposal is imminent.
> 
> 
> Great, maybe we should participate.