[Css-rasg] Re: [Css-csa] RASIG vs. CSA

[Shames, Peter M (313B)]

Takahiro,

Thanks for the reply.  I am in London now, on vacation, and look forward to
meeting with you next week.  I am glad to hear that it sounds like we are
thinking alike on this.

Cheers, Peter



On 10/19/10 4:27 AM, "Takahiro Yamada" <tyamada at pub.isas.jaxa.jp> wrote:

> Peter,
> 
> Thank you very much for your detailed response.
> 
>> While reading SCCSA1.1 I did find a few things that I thought were
>> inconsistent, and I am attaching a marked up version.
> 
> Thank you for your markups.
> 
>> The first is that while the SCCSA1.1 is called a Cross Support
>> Architecture it is really more of a Reference Architecture.
> 
> I agree completely.
> 
>> Second, there is some inconsistency in the document as to whether it
>> is addressing only IOAG Service Catalog 1 services, which are
>> essentially traditional, single space link, single hop, MOC ­ ground
>> station - spacecraft (i.e. ABA) configurations, or if it is intended
>> to address space relay and internetworking configurations as
>> addressed in IOAG Service Catalog 2.
> 
> I think it should address both Catalogs 1 and 2.
> 
> I showed the attached diagram at the meeting in Portsmouth in May,
> and, after discussion, we decided that the two architecture books on
> the right side, i.e, Space Communication Cross Support Architecture
> (Link Level) and Space Communication Cross Support Architecture
> (Network Level), should be merged.
> 
> I am already in Europe (at ESTEC) this week, and look forward to
> seeing you in London next week.
> 
> Best regards,
> Takahiro Yamada

_______________________________________________________

Peter Shames
Manager - JPL Data Systems Standards Program
InterPlanetary Network Directorate
Jet Propulsion Laboratory, MS 301-490
California Institute of Technology
Pasadena, CA 91109 USA 

Telephone: +1 818 354-5740,  Fax: +1 818 393-6871

Internet:  Peter.M.Shames at jpl.nasa.gov
________________________________________________________
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