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An Introduction to OpenWhisk, IBM’s Open Source Serverless Computing Platform

When Amazon introduced serverless computing through AWS Lambda in 2014, no one expected it to become an alternative computing model to virtual machines and containers. But since its launch, Lambda has evolved to become a key component of AWS compute services portfolio. Deeper integration with mainstream AWS services, support for popular languages, streamlined deployment model all make Lambda a viable microservices platform for AWS customers.

Though AWS Lambda caught the attention of the industry and developers, there is a general concern about lock-in. An application designed for Lambda cannot run outside the context of AWS. For customers considering an alternative that can run within the datacenter and cloud, OpenWhisk from IBM can be a potential option.

Announced in February 2016, OpenWhisk is an event-driven computing framework from IBM. It is integrated with Bluemix, IBM’s Cloud Foundry-based PaaS and is also available as an open source software that can be deployed behind the firewall. Adobe and IBM jointly submitted OpenWhisk to Apache, which has now become an incubation project. It is one of the first open source serverless platforms in the market. In December 2016, IBM announced the general availability of Bluemix OpenWhisk, the hosted version in the public cloud.

OpenWhisk Concepts and Terminology

Like other serverless frameworks, OpenWhisk invokes code snippets when a specific event occurs. There are three key concepts in OpenWhisk: Triggers, Rules, and Actions.

Read the entire article at The New Stack

Janakiram MSV is an analyst, advisor, and architect. Follow him on Twitter,  Facebook and LinkedIn.

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Janakiram MSV heads the Cloud Infrastructure Services at Aditi Technologies. He was the founder and CTO of Get Cloud Ready Consulting, a niche Cloud Migration and Cloud Operations firm that recently got acquired by Aditi Technologies. In his current role, he leads a highly talented engineering team that focuses on migrating and managing applications deployed on Amazon Web Services and Microsoft Windows Azure Infrastructure Services.
Janakiram is an industry analyst with deep understanding of Cloud services. Through his speaking, writing and analysis, he helps businesses take advantage of the emerging technologies. He leverages his experience of engaging with the industry in developing informative and practical research, analysis and authoritative content to inform, influence and guide decision makers. He analyzes market trends, new products / features, announcements, industry happenings and the impact of executive transitions.
Janakiram is one of the first few Microsoft Certified Professionals on Windows Azure in India. Demystifying The Cloud, an eBook authored by Janakiram is downloaded more than 100,000 times within the first few months. He is the Chief Editor of a popular portal on Cloud called www.CloudStory.in that covers the latest trends in Cloud Computing. Janakiram is an analyst with the GigaOM Pro analyst network where he analyzes the Cloud Services landscape. He is a guest faculty at the International Institute of Information Technology, Hyderabad (IIIT-H) where he teaches Big Data and Cloud Computing to students enrolled for the Masters course. As a passionate speaker, he has chaired the Cloud Computing track at premier events in India.
He has been the keynote speaker at many premier conferences, and his seminars are attended by thousands of architects, developers and IT professionals. His sessions are rated among the best in every conference he participates.
Janakiram has worked at the world-class product companies including Microsoft Corporation, Amazon Web Services and Alcatel-Lucent. Joining as the first employee of Amazon Web Services in India, he was the AWS Technology Evangelist. Prior to that, Janakiram spent 10 years at Microsoft Corporation where he was involved in selling, marketing and evangelizing the Microsoft Application Platform and Tools.