Duo: Software Defined Intrusion Tolerant System Using Dual Cluster

Table 1

Summary table of related work.

Related work	Topic	Description
SCIT [7, 16]	ITS	Initially proposed recovery-based ITS
ACT [12, 13]	ITS	Recovery-based ITS with adaptive cluster scaling
CloudWatcher [17]	SDN/NFV	Network flow inspection framework using SDN technology
QoSE [18]	SDN/NFV	On-demand security service provisioning in an SDN/NFV environment
Bohatei [19]	SDN/NFV	SDN/NFV-based DDoS defense system
Snort [1]	IDS	Open source network intrusion detection system
Suricata [7]
HIF [20]	NTC	History-based IP filtering for SIP protection