1. Google App Engine
Overview, Current & Future Trend
Assignment Type C
Nathan Quach
17325178@student.uws.edu.au

2. Agenda
 Introduction
 Architecture
 Advantages
 Challenges/Risks
 Future Trend

3. Introduction
 Google App Engine:
 Platform-as-a-Service:
 To build Web apps on cloud
 Dynamic web server
 Automatic scaling & load balancing
 Transactional Datastore model
 Integration with Google Accounts through APIs
 Preview version in 2008
 Latest version 1.6.6 (5/2012)

4. Architecture
Source: http://www.slideshare.net/rajdeep/introduction-to-google-app-engine-presentation

5. Architecture
Source: http://www.slideshare.net/rajdeep/introduction-to-google-app-engine-presentation

6. Main components
 App Engine
 Runtime environment – sandbox
 Datastore
 BigTable Datastore
 SQL Cloud
 Storage Cloud
 Suite of APIs to do common stuffs
 URL Fetch, Mail, Memcache, Image Manipulation…

7. Advantages
 Easy to get started
 Rapid and flexible development
 SDK for local development
 Rich APIs set
 Admin console and diagnostic utilities
 Easy deployment
 Scalability
 Lower cost of ownership
 Customizability
 Community Support

8. Challenges
 Entrenched Custom Software
 Custom software vs Platform technology
 Dependence on Google
 GAE downs, your apps down
 How to prevent lock-in
 Lock-in: apps aren’t able to portable to other services
 Is it really free?
 Be careful when you are locked in
 Security & Privacy

9. Future Trend
 Still growing
 Current: 200k active apps, 1.5bil page views/day
 More features planted
 ToS, pricing changes
 PaaS trend:
 PaaS ecosystems is flourishing
 Competitors: AWS Elastic
Beanstalk, CloudBees, CloudFoundry, Cloudify, CumuLog
ic, dotcloud, EngineYard, Heroku, Jelastic, Microsoft
Windows Azure, MorphLabs, Rackspace Cloud
Sites, Red Hat Open Shift, Saleforce Force.com …
 Adoption rate: 3% enterprise. Expectation: 43% in 2015