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A process-driven application is a software application that is driven by an underlying process or workflow engine where the process can be exposed and reused. In effect all applications are process-driven and the logic of any application can be extrapolated into a flowchart to represent the logical process of execution. Process-driven applications are a growing trend in enterprise solutions involving humans, systems or both.
Cloud computing is the on-demand availability of computer system resources, especially data storage and computing power, without direct active management by the user. Large clouds often have functions distributed over multiple locations, each of which is a data center. Cloud computing relies on sharing of resources to achieve coherence and typically uses a pay-as-you-go model, which can help in reducing capital expenses but may also lead to unexpected operating expenses for users.
OpenNebula is an open source cloud computing platform for managing heterogeneous data center, public cloud and edge computing infrastructure resources. OpenNebula manages on-premise and remote virtual infrastructure to build private, public, or hybrid implementations of Infrastructure as a Service and multi-tenant Kubernetes deployments. The two primary uses of the OpenNebula platform are data center virtualization and cloud deployments based on the KVM hypervisor, LXD/LXC system containers, and AWS Firecracker microVMs. The platform is also capable of offering the cloud infrastructure necessary to operate a cloud on top of existing VMware infrastructure. In early June 2020, OpenNebula announced the release of a new Enterprise Edition for corporate users, along with a Community Edition. OpenNebula CE is free and open-source software, released under the Apache License version 2. OpenNebula CE comes with free access to patch releases containing critical bug fixes but with no access to the regular EE maintenance releases. Upgrades to the latest minor/major version is only available for CE users with non-commercial deployments or with significant open source contributions to the OpenNebula Community. OpenNebula EE is distributed under a closed-source license and requires a commercial Subscription.
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Executable choreography represents a decentralized form of service composition, involving the cooperation of several individual entities. It is an improved form of service choreography. Executable choreographies can be intuitively seen as arbitrary complex workflows that get executed in systems belonging to multiple organisations or authorities.
CloudBolt is a hybrid cloud management platform developed by CloudBolt Software for deploying and managing virtual machines (VMs), applications, and other IT resources, both in public clouds and in private data centers.
Cloud native computing is an approach in software development that utilizes cloud computing to "build and run scalable applications in modern, dynamic environments such as public, private, and hybrid clouds". These technologies such as containers, microservices, serverless functions, cloud native processors and immutable infrastructure, deployed via declarative code are common elements of this architectural style. Cloud native technologies focus on minimizing users' operational burden.
In software engineering, containerization is operating system-level virtualization or application-level virtualization over multiple network resources so that software applications can run in isolated user spaces called containers in any cloud or non-cloud environment, regardless of type or vendor.
References
- 1 2 Erl, Thomas (2005). Service-Oriented Architecture: Concepts, Technology & Design. Prentice Hall. ISBN 0-13-185858-0.
- ↑ Brikman, Yevgeniy (2016-09-26). "Why we use Terraform and not Chef, Puppet, Ansible, SaltStack, or CloudFormation".
- ↑ Giangntc (2019-04-12). "AWS CloudFormation Introduction".
- ↑ Menychtas, Andreas; Gatzioura, Anna; Varvarigou, Theodora (2011). "A Business Resolution Engine for Cloud Marketplaces". 2011 IEEE Third International Conference on Cloud Computing Technology and Science. IEEE Third International Conference on Cloud Computing Technology and Science (CloudCom). IEEE. pp. 462–469. doi:10.1109/CloudCom.2011.68. ISBN 978-1-4673-0090-2. S2CID 14985590.
- ↑ Mao, Ming; M. Humphrey (2011). "Auto-scaling to minimize cost and meet application deadlines in cloud workflows". Proceedings of 2011 International Conference for High Performance Computing, Networking, Storage and Analysis. pp. 1–12. doi:10.1145/2063384.2063449. ISBN 978-1-4503-0771-0. S2CID 11960822.
- ↑ Mao, Ming; M. Humphrey (2013). "Scaling and Scheduling to Maximize Application Performance within Budget Constraints in Cloud Workflows". 2013 IEEE 27th International Symposium on Parallel and Distributed Processing. pp. 67–78. doi:10.1109/IPDPS.2013.61. ISBN 978-0-7695-4971-2. S2CID 5226147.