The document discusses Internet of Things (IoT) topics including an introduction to IoT, the promise and reality of connected things, challenges of connecting multiple devices and experiences, and how APIs can power a single connected experience. It also provides introductions and overviews of Node.js, ZettaJS (an IoT platform), and examples of using ZettaJS to connect devices and build IoT applications.

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IoTCraft – Chennai - ZettaJS
Apigee

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Your Host

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IoTCraft - Bangalore

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Hands On ….

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Hackathon Too ….

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Connected Security System ..

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IoTCraft Swags… Send 5 Tweets
@Apigee
@zettajs
@IoTCraft

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An Introduction to IoT

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Billions of Things…

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Connecting things….

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Fusion of Things…

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We are just Getting Started 

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Promise – Everything is connected

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The Reality – Something Different

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Multiple Dev’s…

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Multiple Experiences..

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Product – Remote Controls

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Build Eco Systems

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Tomorrow
app app app appapp app app
One experience
One big app
(Powered by APIs)

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An Introduction to Node.JS

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What is NodeJS and who uses it?
• Cross-platform runtime environment for developing server-side
Web applications
• Built on Google Chrome's JavaScript V8 Engine
• Open source, completely free
• Event driven architecture and asynchronous I/O
• Operates on a single thread, using non-blocking I/O calls
• Package manager - npm
• Used by LinkedIn, IBM, Paypal, Netflix

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Node.JS First Class HTTP Server
• No need of maintaining separate threads for each open connection
• Create REST APIs very easily
• Asynchronous I/O

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Realtime apps and Async. Programming
Real time applications need non blocking I/O. This can be achieved by
Asynchronous programming which is commonly used in event based systems.
Async. Programming involves :
● Callbacks
● Promises
● Generators / yeilds (ES6)
● Async/ await (ES7)

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Example
//Synchronous
var result = database.query("SELECT * FROM hugetable");
console.log("query finished");
console.log("Next line");
//Asynchronous
database.query("SELECT * FROM hugetable", function(result) {
console.log("query finished");
});
console.log("Next line");

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Introducing....
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Zetta Combines..
• Reactive Programming
• Web Sockets
• Rest APIs
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Zetta Architecture…

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Zetta Server
• Highest Level Of Abstraction in Zetta
• Runs on Hardware such as Intel Edison, Raspberry PI etc..
• Generates APIs
• Coordinates Interaction
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Zetta Drivers..
• State Machine Representation of Devices
• Models Devices & Facilitates Interaction
• Device Models - APIs
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Off On
turn-off
turn-on

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Zetta Scouts..
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• Discovery Mechanism
• Search for Devices
• Report Backs

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Zetta Apps
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• Written in Javascript
• Interact with Multiple Devices
• Interaction based on Sensor Streams

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Zetta Server Extensions
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• Pluggable Models
• Node Modules
• For Example
– Adding Additional APIs
– Adding Security to APIs

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Zetta Registry
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• Small Database
• Information about Devices
• Information about Server Itself

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Zetta Deployment
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Zetta Linking..
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Linking establishes a secure connection between two
Zetta servers. It uses the Z2Z protocol to efficiently proxy
API requests, and streaming data between servers.
Z1Z2
F
i
r
e
w
a
l
l
HTTP Proxy

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Zetta APIs
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• Query Devices
• Sensor Data Streams
• Interact with Devices
• Links between Servers

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References
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http://www.zettajs.org/

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Connected Car …

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Interested to drive IoTCraft – Chennai ?
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Send a message – Meetup Group

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