[Moims-sc] Re: Would SM&C have a few hours to discuss network management?

Tue Oct 14 11:32:49 UTC 2014

We must analyze potential issues with SIS and CSS
Meteron configuration is not similar to  a deep space or L2 cross support scenario

Sent from my iPhone

> On 14.10.2014, at 06:37, Mehran.Sarkarati at esa.int wrote:
> 
> Hi Scott, Mario, 
> 
> If I may add one more detail, which may be of interest to Scott: 
> 
> In the context of the METERON project, ESA has already implemented, deployed and operationally validated some of the MO M&C services to publish a various set of TM parameters (which were not Spacecraft related but for instance related to the health status of a laptop and even the status of a button on particular software running on that laptop on the ISS) using DTN BP at communication layer (we used ION 2.3 and are currently updating to ION 3.2). 
> 
> We have also implemented a so called BPPing Agent, which was deployed on each DTN node and periodically pinged other nodes. The results of the BPPings were then published to all intersted listeners (our M&C system instances) using again the related MO M&C Parameter service. 
> 
> In practice, the mentioned M&C service were used to publish and receive the TM parameters encoded in binary over BP over Channel Protocol (the convergence layer below BP) from ISS to the ground. The exact same implementation of these services (same code at run-time) had published a second endpoint to provide the same functionality via a different protocol (XML encoding over HTTP) on the ground. 
> 
> So basically two set of different consumers have used the same services to retrieve the TM, using the communication protocol of their choice. If you are interested, I can prepare a presentation for the discussion session. I have added Sebastian in cc, who is our DTN expert, in case of DTN specific questions. 
> 
> Kind Regards 
> Mehran 
> 
> 
> 
> From:        Mario.Merri at esa.int 
> To:        "Scott, Keith L." <kscott at mitre.org>, 
> Cc:        "Barkley, Erik J \(317H\)" <erik.j.barkley at jpl.nasa.gov>, moims-sc at mailman.ccsds.org 
> Date:        14/10/2014 11:21 
> Subject:        [Moims-sc] Re: Would SM&C have a few hours to discuss network        management? 
> Sent by:        moims-sc-bounces at mailman.ccsds.org 
> 
> 
> 
> Hi Keith, 
> 
> I have earmarked a 2h joint meeting with SIS-DTN in the agenda of SM&C WG starting at 13:30 of Thu 13Nov. Is that OK? 
> 
> Without pre-emptying the discussion, the MO SM&C Services provide a coherent set of services to monitor and control *any* remote (controllable) object, not necessarily only as spacecraft. The operations of these services are defined in an abstract manner (via the MAL). For a specific deployment, and here I am touching on your question on "how those parameters are encoded and transported, the abstract services need to be mapped to a concrete encoding/transport. This is achieved by a dedicated blue book at the level of MAL. 
> 
> The bottom line is that 
> - one can use the MO M&C services to monitor and control any remote object 
> - one can select the most appropriate encoding/transport for its deployment of these services. 
> 
> I hope the above helps. How do you want to play the joint meeting? For instance, would you like to send us in advance a set of questions that you would like to be addressed? 
> 
> Thanks 
> 
> __Mario 
> 
> 
> 
> From:        "Scott, Keith L." <kscott at mitre.org> 
> To:        "Mario.Merri at esa.int" <Mario.Merri at esa.int>, "Barkley, Erik J (317H)" <erik.j.barkley at jpl.nasa.gov>, 
> Cc:        "roger.thompson at scisys.co.uk" <roger.thompson at scisys.co.uk> 
> Date:        13/10/2014 20:09 
> Subject:        Would SM&C have a few hours to discuss network management? 
> 
> 
> 
> The SIS-DTN working group is about to start doing some work in the network management for the BP layers of the stack.  Would it be possible for us to get a few hours together with SM&C to talk about the interaction between the monitor and control services and what we (think we) need for DTN network management?  I’m thinking just an hour or two for the two WGs to exchange their views of what’s going on would be really helpful to us. 
>  
> >From my interpretation of the 522.1-R-3 book, the MO SM&C Services provides a framework for (general-purpose) monitor and control, which is tailored towards spacecraft.  *IF* I understand correctly, a way for e.g. Bundle Protocol network management could ‘plug in’ to SM&C with a set of ‘drivers’ for the spacecraft to monitor / control the various BP parameters of interest according to the various SM&C services.  [Is that a completely broken characterization?]  There’s then a question of how those parameters are encoded and transported. 
>  
> Sometime Thursday (PM?) of the CCSDS meetings would be best for the SIS-DTN WG, but we’re meeting Thursday and Friday and if that wouldn’t work, I’ll find some other time. 
>  
> I know that Erik and the CSS groups are interested in talking with you as well, and that would be a good time for them. 
>  
>  
>                        --keith 
>   
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