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Erschienen in:
2017 | OriginalPaper | Buchkapitel
2. Demystifying the Traits of Software-Defined Cloud Environments (SDCEs)
verfasst von : G. Kousalya, P. Balakrishnan, C. Pethuru Raj
Erschienen in: Automated Workflow Scheduling in Self-Adaptive Clouds
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Abstract
Definitely the cloud journey is on the fast track. The cloud idea got originated and started to thrive from the days of server virtualization. Server machines are being virtualized in order to have multiple virtual machines, which are provisioned dynamically and kept in ready and steady state to deliver sufficient resources (compute, storage, and network) for optimally running any software application. That is, a physical machine can be empowered to run multiple and different applications through the aspect of virtualization. Resultantly, the utilization of expensive compute machines is steadily going up.
This chapter details and describes the nitty-gritty of next-generation cloud centers. The motivations, the key advantages, and the enabling tools and engines along with other relevant details are being neatly illustrated there. An SDCE is an additional abstraction layer that ultimately defines a complete data center. This software layer presents the resources of the data center as pools of virtual and physical resources to host and deliver software applications. A modern SDCE is nimble and supple as per the vagaries of business movements. SECE is, therefore, a collection of virtualized IT resources that can be scaled up or down as required and can be deployed as needed in a number of distinct ways. There are three key components making up SDCEs:
1.
Software-defined computing
2.
Software-defined networking
3.
Software-defined storage
The trait of software enablement of different hardware systems has pervaded into other domains so that we hear and read about software-defined protection, security, etc. There are several useful links in the portal (Sang-Woo et al. “Scalable multi-access flash store for big data analytics” FPGA’14, Monterey, CA, USA, February 26–28, 2014) pointing to a number of resources on the software-defined cloud environments.