Information Technology Reference
In-Depth Information
4. A group of companies
forming a VO in order to
gain benefit from common
use of resources (CERN
is an example of this as
well). Case also known as
“Partner- Grids”
The users (VO partici-
pants)
- None if used for
current processes
and products opti-
misation
- Services offered as
SaaS
- N/A if used for
optimisation
- SaaS for new
services
Grid s/w and applica-
tion providers
Software
- Software or
Application provi-
sioning (SaaP)
- Open source
Systems integrator (can
be the same with the
Grid s/w provider)
-
- IT services
-Value-added serv-
ices (consulting)
Resources provider -
if external computing
resources are utilised
(e.g. Amazon and Sun)
Services offered as
SaaS
- SaaS/IaaS based
5. Company acts as a
computing resources
provider e.g. the
“Amazon”, “Sun”, “IBM”
etc cases
The resource provider
(the company)
Services offered as
SaaS
- SaaS/IaaS based
- Utility computing
based
The users that buy
resources on demand
None. Can be used
indirectly to support
other services provi-
sioning or to optimise
internal processes or
products
- None if used to
optimise internal
processes
- IT/Web services/
SaaS etc if used as
infrastructure for a
solution
- See Case No.2
6. Company provides
Cloud Computing Services
with Grid as the under-
lying infrastructure
(most popular emerging
scenario). E.g. the Amazon,
Google, IBM, Microsoft
etc cases
The Cloud Computing
provider
Cloud Computing
Services provided
mainly as SaaS
- SaaS based
- SOA based
- IT-as-a-Service
- VAS (e.g.
consulting)
The users that purchase
Cloud Computing
services
-
- None if used to
optimise internal
processes
- SaaS/SOA etc if
used as a service
component for
another solution
Furthermore, there are cases like that of example 1 where the company adopts
a Grid solution for internal purposes. In these cases there may not be a directly
resulting product to be offered to external customers. However, this should result
in optimisation of internal processes or offer more efficient and economic provi-
sioning of other products. Depending on the particular scenario we can match
 
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