cloud computing | virtualization | docker | go language
TRANSCRIPT
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Cloud Computing
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"Cloud Computing is a model for enabling ubiquitous, convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers,
storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or
service provider interaction."
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One of Google’s Data Centers
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Models of Cloud Computing
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Features of Cloud Computing
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What is
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Virtualization
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"In computing, virtualization refers to the act of creating a virtual (rather than actual) version of
something, including virtual computer hardware platforms, operating systems, storage
devices, and computer resources."
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"Virtualization software makes it possible to run multiple operating systems and multiple applications on the same server at the same time”
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3
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Pros and Cons of Virtualization
Pros:• Isolate applications • Reduced number of physical servers • Reduced costs • Full utilization of the server resources • Fundamental technology that powers Cloud Computing• Increases application uptime by running on diff physical
server
Cons:• It takes 2-3 minutes to provision a VM.
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Containers
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Operating-system-level virtualization is a server virtualization method in which the kernel of
an operating system allows the existence of multiple isolated user-space instances, instead of just one.
Such instances, which are sometimes called containers, software containers, virtualization
engines (VEs), may look and feel like a real server from the point of view of its owners and users.
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Some benefits of Using Containers
• They have a very little footprint• They can be deployed very fast (within milliseconds)• They can run on any computer, infrastructure, or cloud
environment • Containers use less memory and CPU than VMs running
similar workloads • Increased productivity with reduced overhead
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Some of the Drawbacks
• Containers are ephemeral• Difficult to manage
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In 2013, Docker was founded
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Google’s Adoption of Containers
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In 2014
“Everything at Google runs in Containers”
“There were 2 billion new containers being deployed every week at Google”
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Resources
For a complete course Go To : edx.org
For more about Containers Go To : https://docs.docker.com/
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The Go Programming Language
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About Golang
• Relatively new programming language • Developed internally at Google in 2009• Rich support for concurrency • Ability of code reusability through packages • Most popular language in Cloud Computing• Docker is built with Golang! • Light weight • Easy to comprehend and develop• By 2020, more than 500,000 Gophers!
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Open Source Golang Projects
• Docker – The best project in Golang • Anything built on top of Docker – Kubernetes (Google’s tool)
• Gogs (Go Git Service) – Your own github!
….and many more at https://github.com/trending/go
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Resources
Start with the book
Youtube Video (basics of Go covered in 5 mins!)
https://youtu.be/XCsL89YtqCs
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Thank You!!
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Images Sources
• Docker.com (Docker, Inc.) • Google Images