![](bg6.png)
modern tools target the use case where our service
fits, providing good performance and scheme free ca-
pability (Cattell, 2011). Additionally we have imple-
mented the main server, following an event-drivenap-
proach, using a framework based on the Reactor Pat-
tern (Schmidt, 1995). We are currently working on
the storage options expansion, which already includes
the S3 and FS stores, and in the API security approach
implementation.
We expect to expose more insights on API inter-
nals and detail our main server implementation with
the described security approach in future work. Out-
side of the article scope are the technologies choices
and the analysis of the overall system structure and
performance, which we expect to conduct soon in fu-
ture work too. We also want to proceed with a more
in-depth analysis of the integration of VISoR with the
described target IaaS and custom modification that
can surge from such analysis.
7 CONCLUSIONS
In this paper we have presented our work towards VI-
SoR, a virtual image service that is being developedto
address the need to keep a centralized generic reposi-
tory, while managing multiple environments with dif-
ferent IaaS. VISoR will support multiple IaaS and
storage systems and for its design we focused on se-
curity and performance towards an efficient and scal-
able virtual images management service. Given this,
we expect it to be the agnostic service that will act
as a holder between multiple heterogeneous systems
that rely on virtual images management capabilities.
The source can be accessed, as documentation and
further information, through the project web page at
http://www.cvisor.org.
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