Virtualization, Cloud, SDN, and SDDC in Data Centers
Omar Cherkaoui, Ramesh P Menon · 2014
Virtualization and Cloud have significantly impacted the data center infrastructures and, in particular, the network infrastructure. There are many additional demands on today's data centers and an increasing number of devices and applications. This chapter first explains the virtualized infrastructure components present in the data center. It then elaborates on the Cloud concepts and the related Cloud Service Offerings focusing mostly on Infrastructure as a Service (IaaS) offering. It also highlights the different issues related to building the IaaS service. The chapter explains the different elements in the design of a network for the new modern data center: what are the different considerations and how to dimension the network. Finally, it presents the Software Defined Networking (SDN) and Software-Defined Data Center (SDDC) concepts required for the network design and implementation for the new modern data centers.