One cloud computing environments. Adding SDN to cloud computing

of the crucial issues in Information Technology and Network Security
developments is the protection against different types of attacks “Network
attack is the attempt to alter the information with intent to corrupt or
destroy the data or the network itself ” 1.

computing is one of the latest computational models accessed to share a group
of configurable computer resources that can be rapidly provisioned and released
with minimal effort or service provider interactions. The NIST define the cloud
computing as “a model for enabling convenient, on-demand network access to a
shared pool of configurable computing resources (e.g., networks, servers,
storage, applications, and services) that can be rapidly provisioned and
released with minimal management effort or service provider interaction”2. Cloud
computing as any network system has security challenge; it can suffer from
network attacks such as Distributed Denial of Service (DDoS) attacks. Some of
these attacks resolved by some tools such as Software Defined Network (SDN) and
some tools in cloud computing environment3,
4. SDN in network
architecture dedicated in 2011 by Open network Foundation (ONF) provides
management the network devices by application called network controller5,

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research is focusing in one Distributed Denial of Service (DDoS) attacks
on cloud computing environment. The research also define the use of Software
Defined Network (SDN) in protecting Cloud computing networks and describe some
DDoS attacks and detection solutions and techniques on SDN-based Cloud
computing environments and summarizes it’s performance applicability &

1.2 Research

and preventing DDoS attacks are one of the main issues in cloud computing
environments. Adding SDN to cloud computing environment can enhance managing network
traffic in cloud computing. The problem is whether using SDN-based cloud
computing and available detecting mechanisms which detecting mechanism has good
capability and performance can face DDoS attacks.