Building an Event-driven Web @ Impact

Building anEvent-driven Web Jeff Lindsay @progrium

Event-driven Programming

The Web as a Platform

The Web as a Platform is aService-oriented Platform

The Web as a Platform is aService-oriented Platform(SOA: Service Oriented Architecture)

Simple Email Service S3 EC2FPS MapReduce CloudFront EBSSimpleDB SNS SQS

The Mashup

Composition vsIntegration

The Web API (SOA)is designed for composition, not integration

The Evented Web

API Web App

API Events Web App

“WebHooks” API Events Web App When something happens, perform HTTP POSTwith relevant data to a URL that the user gives you.

PayPal IPN

Twilio WebHooks

The Evented Web Vision

The Evented Web Vision • Powerful glue code

The Evented Web Vision • Powerful glue code • Web plugins

The Evented Web Vision • Powerful glue code • Web plugins • Smaller pieces loosely joined

The Evented Web Vision • Powerful glue code • Web plugins • Smaller pieces loosely joined • Revolution of workflow

Live Web

Live WebEvented Web

Live Web UX drivenPlumbing driven Evented Web

Evented Live Web Web

Evented Live Web Events Web

Event Handlers

Event HandlersHandlers Callbacks (Hooks)

Event HandlersHandlers Callbacks (Hooks) WebHooks: HTTP Callbacks

Analogy!WebHooks Evented Web

Analogy!WebHooks Evented Web AJAX Web 2.0

Analogy!WebHooks Evented Web AJAX Web 2.0Mechanism Big Picture

Powerful glue code

Demo + Code

Web plugins

Twilio WebHooks

Smaller pieces loosely joined

STDIN STDOUT Program STDERR

xargs wget echo mailgrep wc cat

cat xargs wget echo mailgrep wc

cat grep xargs wgetecho mail wc

cat grep mail xargs wgetecho wc

Revolution of workflow

Web of Things“API for everything...

Web of Things“API for everything... ...with events!”

Home Automation

Life Automation

The Evented Web

The Evented Web Vision • Powerful glue code • Web plugins • Smaller pieces loosely joined • Revolution of workflow

Live WebEvented Web

Action Items!

Action Items! • Standardization

Action Items! • Standardization • PubSubHubbub

Action Items! • Standardization • PubSubHubbub • HTTP Futures

Action Items! • Standardization • PubSubHubbub • HTTP Futures • Infrastructure

Action Items! • Standardization • PubSubHubbub • HTTP Futures • Infrastructure • Handler Scripting

Action Items! • Standardization • PubSubHubbub • HTTP Futures • Infrastructure • Handler Scripting • Tools

Action Items! • Standardization • PubSubHubbub • HTTP Futures • Infrastructure • Handler Scripting • Tools • Adoption + Awareness

Thanks! Evented Web Summit Jeff Lindsay @progrium

Building an Event-driven Web @ Impact

by Jeff Lindsay

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