[ogsa-bes-wg] Management Functions in BES

[Andrew Stephen McGough]

+3

Ian Foster wrote:

> +2
>
> At 09:39 AM 7/24/2005 -0400, Tom Maguire wrote:
>
>> +1 Karl
>>
>>
>> FreyâEUR^(TM)s Law: âEURoeEvery 5 years the number of architecture 
>> components double and
>> the ability to comprehend them halvesâEUR?
>>
>>
>> Perfection is achieved, not when there is nothing more to add, but when
>> there is nothing left to take away.   ­ Antoine de Saint-Exupery
>>
>> T o m   M a g u i r e
>>
>>
>> STSM, On Demand Architecture
>>
>>
>> Poughkeepsie, NYÂ  12601
>>
>>
>>                                                                            
>>
>>              Karl 
>> Czajkowski                                              
>>              
>> <karlcz at univa.com                                            
>>              
>> >                                                          To
>>              Sent by:                  Steven 
>> Newhouse                    
>>              owner-ogsa-bes-wg         
>> <s.newhouse at omii.ac.uk>            
>>              
>> @ggf.org                                                   cc
>>                                        
>> ogsa-bes-wg at ggf.org                
>>                                                                    
>> Subject
>>              07/24/2005 01:13          Re: [ogsa-bes-wg] 
>> Management       
>>              AM                        Functions in 
>> BES                   
>>                                                                            
>>
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>>
>>
>>
>>
>> On Jul 23, Steven Newhouse modulated:
>> > >Discussion: Sections 3.4, 3.5 & 3.6. Having 3 management operations in
>> > >the BES specification until generic OGSA management structure defined?
>> >
>> > The operations in 3.4 & 3.5 (Start & Stop AcceptingNewActivities) I see
>> > as being a service specific management function (i.e. they effectively
>> > alter the behavior of one specific operation within the service).
>> >
>>
>> While its semantics references a BES operation, it seems to me that it
>> is a more general management pattern for any service that has a
>> stateful, factory-like interface: stop accepting/creating new work
>> items but continue processing the existing ones (whatever they are).
>> The BES-specific meaning could just as easily be specified by calling
>> out this work acceptance model so that it can be related to an
>> external management mechanism.
>>
>> I think it is wrong to burden BES implementations with these kinds of
>> management functions that are specific to a hosting environment.  I
>> think the right path here is to engage in management standards for web
>> services and create profiles to compose these with a basic execution
>> service if you require both.
>>
>> I cannot see these functions as being more important interop points
>> than any of the other security and policy management functions which
>> everyone seems to agree are out of scope.  If you must use localized
>> mechanisms to do practical management of a BES installation, I am not
>> sure what these functions buy you.
>>
>>
>> karl
>>
>> --
>> Karl Czajkowski
>> karlcz at univa.com
>
> _______________________________________________________________
> Ian Foster                    www.mcs.anl.gov/~foster 
> <http://www.mcs.anl.gov/%7Efoster>
> Math & Computer Science Div.  Dept of Computer Science
> Argonne National Laboratory   The University of Chicago   
> Argonne, IL 60439, U.S.A.     Chicago, IL 60637, U.S.A.
> Tel: 630 252 4619             Fax: 630 252 1997
>         Globus Alliance, www.globus.org <http://www.globus.org/>
>
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