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Re: [Vrs-development] thoughts

From: Open Source
Subject: Re: [Vrs-development] thoughts
Date: Mon, 25 Mar 2002 14:46:14 -0800 (PST)

I can see a couple of uses for these kind of agents

a) They can be used to determine whether the LDS is
still alive. This allows the cluster administrator to
have a GUI screen that provides information to the end
user providing information on the nodes creating the

b) Provide performance statistics

Any more?

--- Tim Terlegård <address@hidden> wrote:
> > I've never entirely understood the reasoning
> behind
> > Agents roaming around, executing on various
> machines.
> What if I want some statistics of the performance of
> a remote server. I 
> program my little Mobile Agent, I send it on the
> network. The Mobile Agent 
> will go to the remote servier, be executed and stay
> on the remote server for 
> a couple of hours. Every minute it collects an SNMP
> variable from the server 
> and stores the value as a part of its state. When 8
> hours slipped by, the 
> Mobile Agent walks back to where it came from and
> tells the administrator 
> about the server performance during the day. The
> alternative is for the 
> administrator to poll the SNMP variable every minute
> and save the values in a 
> history. This increases both the need of computer
> power and the load on the 
> network. This is one neat feature of Mobile Agents.
> Mobile Agents -
> > In many ways, our thinking about a DataSet points
> to
> > some of this, I think.  A DataSet is an
> encapulated
> > data package containing IL executable methods, a
> data
> > structure relevant to the task, and perhaps also
> > access rules.  The PNet work figures in here with
> both
> > the IL compiler and the VM to execute it IL.  From
> the
> > VRS perspective, this ia a way to move executable
> > 'webservices' about a cluster transparently.  But
> they
> > also seem to have some of the properties of
> 'agents'.
> To me, you partly described Mobile Agents.
> "component webservice" you call it 
> on the webpage. Are you sure this is just not
> another name for Mobile Agents?
> > However, at this point, the thinking about
> DataSets is
> > very embyonic and it needs a lot of attention that
> Does DataSet have a widespread definition or is the
> definition local to this 
> project?
> >  We are creating the specs before we build.
> Didn't someone recently mention a perl module?  :-)
> > If you see a way that the value of the VRS can be
> added to,
> > please talk about it.  We are all designing this
> thing
> > from scratch.
> Well, I don't know what value you want   :-)
> What comes to my mind (because of the similar
> project goals) is that VRS 
> could be a platform supporting p2p, mobile agents,
> vpn, fault tolerance, 
> replication, distribution of power and space. SEE
> builds (whatever they want) 
> on top of this, because everything you possibly
> could want is right there. 
> This I'd like, but it may not be what you guys want
> or what DotGNU wants.
> -- Tim
> _______________________________________________
> Vrs-development mailing list
> address@hidden

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