Gordon Guthrie's talk on Erlang at the October Tech Meetup (8th Oct).

1. Gordon Guthrie pro tem CEO/CTO Application Systems – The CEO View Erlang OTP Vs Google App Engine

2. Scotland’s once and future greatness… My Bedroom Town Museum

3. The Babbage Machine 1822 – Turing Bombe WWII Universal Turing Machine 1948 1960’s Babbage Machine Hardware Software Data Programme Operating System Application

4. Hardware Data Operating System Application Application System Functionality

5. ...what are the business consequences of all this? Log(N) Polite Note: On a linear scale this would be a hockey stick! IBM create the O/S market Microsoft commoditise the O/S market Google create the A/S market Advertising Opportunity ‘Your name here’ 1940s 1960-64 Now 2 programmes written IBM 3070 Stretch bestseller: 9 in 4 years BFN 1 st Bifurcation 2 nd Bifurcation 3 rd Bifurcation 4 th Bifurcation

6. ...so what does an application system look like? Operating System A on Physical Architecture X Operating System B on Physical Architecture Y Application System running across more than one machine

7. ...but there is slightly more to it than just the application system... Redundant Network Connections Redundant Power Supplies Redundant Load Balancers Redundant Switches Redundant A/C and Gennies Redundant UPS Redundant Power Interconnect Redundant Backbone Redundant Data Centres Redundant Dark Fiber Redundant Air Handling It’s a bit like Noah’s Ark... Redundant Computers Application System Redundant Tax Regimes Redundant Governments

8. ...there are some common patterns in internet technologies... Star DNS Point-To-Point TCP/IP

9. ...these are also common patterns in internet business architectures... Star Amazon Point-To-Point Sell By Search Google Kickback

10. ...it can be a technical choice... Skype Presence Star IM Comms Point-To-Point Skype Comms

11. ...and the two patterns are blended... Star E-Bay Listing Point-To-Point E-Bay Transactions

12. ...so what does this mean for you... Star Google SaaS Point-To-Point Your Name Here GPL V2.0

14. Scotland’s once and future greatness… James Watt’s howf in Bo’ness The Bethlehem of the Machine Age How Silicon Valley will look in 200 years My Bedroom Town Museum Dilithium Crystal