
238 Chen Xu, Zhipeng Gui, Jing Li, Kai Liu, Qunying Huang, and Myra Bambacus
Table13.1 (Continued) Comparisons of the Four IaaS Solutions
Nimbus Eucalyptus CloudStack OpenNebula
Reliability (Fault tolerance
mechanisms in the cloud
implementation)
Depends on the underlying
hardware
Yes, using automatic
failover and failback
mechanisms
Yes, multiple management server
and database server, and also
VMs live-migration functionalities
Rollback host and
VM
Built-in Monitoring (VM, cloud
infrastructure monitoring)
Cloudinit.d VM state VM sync and high availability Basic variables
Firewall Management
(Managing accessibility and
rewall of VMs)
ebtables ltering ...