Notes for BSc CSIT

 TESTING UNDER CONTROL Cloud testing is a subtype of software testing in which cloud-based online applications are tested using simulated, real-world online traffic. Cloud testing also evaluates and verifies certain cloud features, such as redundancy and performance scalability. Cloud solutions have been used by several small to medium-sized IT firms. As a result, cloud testing is required to confirm functional system and business requirements. In addition to cloud experience, cloud testing engineers must be familiar with various types of testing and technologies. Cloud testing often includes monitoring and reporting on real-world user traffic situations, as well as load balancing and stress testing for a variety of simulated usage scenarios. Load and performance testing on cloud computing applications and services, particularly the ability to use these services, to guarantee optimal performance and scalability under a wide range of scenarios. Cloud computing presents various difficult

 CLOUD SERVICE MANAGEMENT The provision of dynamic, cloud-based infrastructure, platform, and application services does not take place in a vacuum. Cloud service management and cloud monitoring technologies, in addition to best practices for successful administration of all aspects related to cloud service delivery, enable providers to keep up with the constantly shifting capacity demands of a highly elastic environment. Cloud monitoring and management solutions enable cloud providers to maintain peak performance, continuity, and efficiency in virtualized, on-demand settings. These tools, which are software that maintains and monitors networks, systems, and applications, allow cloud providers to not only ensure performance but also better coordinate and automate resource supply. Cloud monitoring solutions, in particular, enable cloud providers to track the performance, continuity, and security of all components that support service delivery: the hardware, software, and services in the

 Cloud Business Process Management (Cbpm) Cloud-based business process management software offers strategic process optimization, lower technology costs, and greater IT alignment with business goals. The new IT paradigm and business model may promote new growth prospects, enhance profit margins in the private sector, and help government agencies achieve more efficient and successful missions. CBPM automates business rules to organize human workflow, traditional enterprise systems, and cloud computing. An example of CBPM would be an iBOLT system that connects JD Edwards ERP systems, SharePoint, Salesforce.com, Amazon Web Services, Google Docs, and social media sites such as Twitter, and arranges procedures between these systems in either synchronous (real-time system-to-system) or asynchronous (system to human workflow) mode, or some combination of the two. As a growing portion of commercial software is hosted privately in the cloud or given as SaaS apps, the requirement for BPM on the

 TYPES OF CLOUD AND ITS CLOUD SERVICES Cloud computing is a wide word that refers to a set of services that provide organizations with a low-cost way to expand their IT capacity and usefulness. Businesses may select where, when, and how they employ cloud computing to provide an effective and dependable IT solution based on their individual needs. We will look at the many forms of cloud computing, including the three primary deployment methods and the cloud services that may be hosted in these settings. TYPES OF CLOUD There are three primary types of cloud environments, which are also known as cloud deployment models. Depending on their individual needs, businesses can operate apps on public, private, or hybrid clouds. 1. Public Cloud 2. Private Cloud 3. Hybrid Cloud 4. Community Cloud 1. Public Cloud A public cloud environment is held by an outsourced cloud provider and is available to numerous enterprises on a pay-per-use basis over the Internet. This deployment strategy offers servic

  CLOUD COMPUTING DATA STORAGE Cloud Storage is a service that allows saving data on an offsite storage system managed by a third party and is made accessible by a web services API. STORAGE DEVICES Storage devices can be broadly classified into two categories: Block Storage Devices  File Storage Devices Block Storage Devices:  The block storage devices offer raw storage to the clients. These raw storages are partitioned to create volumes. File Storage Devices:  The file storage devices offer storage to clients in the form of files, maintaining their file system. This storage is in the form of Network Attached Storage (NAS).  CLOUD STORAGE CLASSES Cloud storage can be broadly classified into two categories: Unmanaged Cloud Storage  Managed Cloud Storage Unmanaged Cloud Storage Unmanaged cloud storage means the storage is preconfigured for the customer. The customer can neither format nor install his file system or change drive properties. Managed Cloud Storage Managed cloud storage offe

 Cloud Deployment Models The National Institute of Standards and Technology (NIST) identifies four cloud deployment modes public clouds, private clouds, community clouds, and hybrid clouds. A cloud deployment paradigm is characterized by where the infrastructure for the deployment is located and who controls that infrastructure. Choosing a deployment model is one of the most significant cloud deployment decisions you will make. Each cloud deployment model addresses distinct organizational demands; thus, you must select a that addresses your organization's demands. Perhaps more importantly, each cloud deployment option has a particular value proposition and expenses associated with it. As a result, in many circumstances, your choice of a cloud deployment architecture may simply be a matter of cost. In any event, to make an informed selection, you must be familiar with the peculiarities of each setting. Cloud deployment models describe how consumers can access cloud services. Followi

 CLOUD SERVICE MODELS There are three sorts of cloud models: IaaS (Infrastructure as a Service), PaaS (Platform as a Service), and SaaS (Software as a Service) (Software as Service). Each cloud model has its own set of advantages that may be tailored to the demands of diverse enterprises. Choosing amongst them necessitates a grasp of various cloud models, as well as an evaluation of your needs and a comprehension of how the selected model can offer your planned set of operations. Infrastructure as a Service IaaS, or Infrastructure as a Service, is cloud-based virtual provisioning of computing resources. A cloud provider may supply you with a full variety of computing infrastructures, including s servers, and networking gear, as well as maintenance and support. Businesses may choose the c resources they demand without having to deploy hardware on their premises. Some of the main cloud service providers are Amazon Web Services, Microsoft Azure, and Google Compute Engine.  This service pr