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ITIL :: View topic - Service versus system
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Service versus system

 
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jojo2012
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Joined: May 21, 2012
Posts: 3

PostPosted: Mon May 21, 2012 10:11 pm    Post subject: Service versus system Reply with quote

Hello all,
I'm new to the forum and am looking for some help with something I'm having trouble getting my head around.

'service v system'

I would like to understand the definitions of service and system in terms of their characteristics, and how a system is different from a service...

can anybody help? my head is going round in circles Question Confused

Thanks
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UKVIKING
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Joined: Sep 16, 2006
Posts: 3314
Location: London, UK

PostPosted: Tue May 22, 2012 1:47 am    Post subject: Reply with quote

A server is a piece of kit - virtual or physical

It has an operating system and the system has a purpose to be a tool to do things

Web Server
Database server
etc

A service is something that is provided to the service consumer (user)

EMail is a service that is delivered to user

The email service is installed on a server that is configured to provide the appropriate performance level. There is dedicated software (application) to manage the mail service. Examples are Microsoft Exchange and Lotus Notes / Domino

A coffee machine is the equivilent of a server
The free coffee is the service
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Change Management is POWER & CONTROL. /....evil laughter
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jojo2012
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Joined: May 21, 2012
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PostPosted: Tue May 22, 2012 3:15 am    Post subject: Reply with quote

UKVIKING wrote:
A service is something that is provided to the service consumer (user)

EMail is a service that is delivered to user

The email service is installed on a server that is configured to provide the appropriate performance level. There is dedicated software (application) to manage the mail service. Examples are Microsoft Exchange and Lotus Notes / Domino


So in this example would the 'system' be the email server, the operation system on the service or the dedicated software; or all of those?

UKVIKING wrote:
A service is something that is provided to the service consumer (user)


I'm not sure on this one (probably am being to pedantic). A core or enhanced service (i.e. a customer facing service) would be provided to a consumer; but a supporting service may not face a consumer (or be consumed directly by a customer/user); and a supporting service may only be used internally by IT service provider (I suppose an example would be in incident management recording system)...

.... anyway that was a tangent... still trying to get 'systems' straight in my head :s
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Diarmid
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Joined: Mar 04, 2008
Posts: 1884
Location: Newcastle-under-Lyme

PostPosted: Thu May 24, 2012 7:07 pm    Post subject: Reply with quote

John stepped boldly in. I will be more cautious.

Are we talking about management systems, computer systems, operating systems, network systems or all of these?

A service is always the outcome of activity and frequently the activity requires the use of some or all of the above systems. John's term "service consumer" did not signify end user as distinct from internal user. His point was that there is always a user (recipient) of a service.
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UKVIKING
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Joined: Sep 16, 2006
Posts: 3314
Location: London, UK

PostPosted: Thu May 24, 2012 11:22 pm    Post subject: Reply with quote

A system may be 1 server
A system may the entire rack of servers, printers, routers, switches, network cables, etc

It just depends

In addition, it depends on how the term is used

If I say the windows system for testing is f*d, then I am using the term as a group of servers - more than likely
If I say the management system is not configured correctly, then I am talking about the servers, the applications and all the other stuff

It just depends
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Change Management is POWER & CONTROL. /....evil laughter
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