![](bg4.png)
Claudia is a service manager supporting service
management on multiple cloud providers (Moran,
2012). The structure of the service is described using
an extension of OVF (Rodero-Merino et al., 2010).
Claudia implements a driver per API approach to sup-
port different cloud providers. In addition, it also
provides an OCCI implementation. We consider that
since OCCI is designed for service management, it
fits natively better as a service descriptor than OVF.
HP IaaS Aggregator is developed by HP for the
purpose of providing common interface and descrip-
tion of IaaS services across multiple IaaS service
providers (Lee et al., 2011). It’s based on the Com-
mon Information Model(CIM)
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standard, a DMTF
model to describe entities and their attributes. The
IaaS Aggregator is a cloud management console sup-
porting resources lifecycle management. OCCI is
built from the ground up to support resources man-
agement on the cloud, while CIM is a general purpose
standard for representing resources as a set of objects
and their relationships. Furthermore, network topol-
ogy descriptions are not very well supported by CIM
(Ghijsen et al., 2012).
5 CONCLUSIONS
Currently customers who plan to migrate their ser-
vices to the cloud face the threat of being locked-
in. As interoperability and portability are traditional
drivers for standards development, we decided to refer
to cloud computing open standards as the backbone to
solve these problems.
Targeting cloud computing end-users, we built our
solution as an open-source service manager. We have
first extended the OCCI standard to support service
management. We then implemented the solution. The
result is a tool that abstracts the underlying vendors
APIs details. It helps users deploy and manage their
services seamlessly among open standards compliant
clouds. The project is in progress, further works needs
to be done in order to provide a complete solution that
covers advanced cloud service management features.
On the open standards side, specifications need to be
enriched in order to cover more cloud functionalities
and gain market acceptance.
ACKNOWLEDGEMENTS
We wish to thank Salim Jouili for his comments on
the draft.
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http://dmtf.org/standards/cim
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