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1. Apache Hadoop- is an open source software framework for data-intensive distributed applications and large-scale processing, originally created by Doug Cutting to support his work on Nutch, an open source web search engine. To meet Notch's massive processing requirements, Cutting implemented a mapreduce facility and a file system that together became Hadoop, Hadoop quickly gained popularity, it's now the most popular technologies for storing big data.
2. Dockers- is an open source platform for developers and system admins to build, ship and deploy distributed applications inside software containers. It include Docker Engine, a portable, lightweight runtime and packaging tool and also Docker Hub, a cloud service for sharing applications and automating workflows, Docker enables apps to be quickly assembled and developed from components. With Docker, developers can now build and ship high-quality application much faster.
3. NoSQL- is a viable alternative to relational databases, especially as more companies recognize the operating scale is better achieved on clusters of cheap commodity servers. NoSQL databases were generally designed from the ground up to be distributed, scale out databases, it require less data management and lower tuning requirements.
Today, the volumes of data that can be handled by NoSQL databases, outstrip what can be handled by modern RDBMS (Relational Database Management Systems), It has evolved to meet the scaling demands and challenges of today's modern web applications and data processing.
4. Open Compute Project- a rapidly growing community of engineers around the world whose mission is to build, design and enable the delivery of the most efficient server, storage and data center infrastructure designs for scalable computing, the Open Compute Project provides a structure in which individuals and organizations can share their intellectual property with Open Compute Projects.
The main goal is to reduce operational complexity in the scalable computing space and to scale computing infrastructure in the most efficient and economical way. The project, which started by a small team of Facebook engineers, resulted in building its own custom-designed servers, power supplies, server racks and battery backup systems- a data center that uses 38 percent less energy and cost 24 percent less.
5. OpenDaylight- is a collaborative open source project between industry vendors hosted by The Linux Foundation, its main goal is to accelerate adoption, foster innovations and to create a more open and transparent approach to Network Functions Virtualization (NFV) and Software-defined networking (SDN).
OpenDaylight founding members include some of the tech world's most powerful companies- Arista networks, Big Switch Networks, Cisco, Citrix, Ericsson, HP, IBM, Juniper Networks, Microsoft, NEC, Nuage Networks, PLUMgrid, RedHat and VMware, all committed to contributing software and engineering resources for OpenDaylight open source framework to help define the future of an open source SDN platform.
6. OpenFlow- is a communication protocol launched in 2012, it defines the communication protocol in SDNs that enables the controller to interact with the forwarding plane of a network switch or a router and make some adjustments t the network, so that it can better adapt to changing requirements. With OpenFlow, entries can be added and removed easily to the internal flow-tables of switches and routers, making network management more efficient and more responsive to real-time traffic demands.
7. OpenStack- started in 2010 as a joint project between Rackspace Hosting and NASA (National Aeronautics Space Administration), OpenStack has grown to be a global software community of developers and companies collaborating on a standard and massively scalable open source cloud OS.
Currently, OpenStack is managed by the OpenStack Foundation, a non-profit corporate entity established in September 2012 to promote OpenStack software development. Since its launch in July 2010, it quickly gained a great deal of support from IT industry.