Clouds are complex systems subject to an increasing number of anomalies and threats. In this paper we briefly revisit the issues related to Windows guest cloud service resilience and later provide some preliminary results on the resilience of Windows cloud guests via virtualization. In particular, we propose an architecture, Cloud Resilience for Windows (CReW). CReW can transparently monitor guest Windows VMs and can also react to both security breaches and system integrity violation, improving the dependability of cloudified Windows systems. CReW can also improve resilience from software misconfiguration by restoring the guest latest safe state. Effectiveness and performance of a CReW prototype have been evaluated; obtained results show the feasibility of such a system.
CReW: Cloud Resilience for Windows Guests through Monitored Virtualization
Lombardi Flavio;
2010
Abstract
Clouds are complex systems subject to an increasing number of anomalies and threats. In this paper we briefly revisit the issues related to Windows guest cloud service resilience and later provide some preliminary results on the resilience of Windows cloud guests via virtualization. In particular, we propose an architecture, Cloud Resilience for Windows (CReW). CReW can transparently monitor guest Windows VMs and can also react to both security breaches and system integrity violation, improving the dependability of cloudified Windows systems. CReW can also improve resilience from software misconfiguration by restoring the guest latest safe state. Effectiveness and performance of a CReW prototype have been evaluated; obtained results show the feasibility of such a system.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
