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Stefan Norberg, Head of Architecture at Unibet

 Stefan  Norberg Stefan Norberg is Head of Architecture at Unibet - one of Europe's leading e-gaming providers. Before becoming a Pointy-Haired Boss, Stefan was part of the team that built one of world's first Internet banks in the mid-90:s. He has set up some big Unix HA clusters and a handful of e-commerce sites. He also wrote a book for O'Reilly on how to secure Windows servers and headed up a couple of very high profileprojects at stock exchanges, banks and insurance companies.

He has been a supporter of open source software since 0.91 of the Linux kernel. Stefan started his computing career on the Commodore 64 and he sold his first Pascal program when we was 14. He's an entrepreneur, but has also worked in large organizations such as Logica and Hewlett-Packard.

Presentation: "Open Source at Unibet.com - 10x Scalability at Half the Cost"

Time: Friday 14:45 - 15:45

Location: Metropolitan Ballroom


With over four million registered customers in more than 100 countries, Unibet is one of Europe's largest online gaming operators. Gaming products include sports betting, live betting, casino, poker, lotteries, bingo and soft games. Customers bet via websites in 27 languages, and increasingly via mobile phones and other mobile devices.

In this session you will learn about Unibet's continuously ongoing rearchitecture initiatives from a fairly typical monolithic database- centric architecture into a highly scalable one based on best-in- class open source software, while at the same time substantially reducing cost. We have transitioned to a modern front-end architecture (XHTML 1.0 strict, CSS 2.1, YUI, caching, compression, image spriting, CDN striping, etc.) backed by functionally- partitioned application and data tiers. For scaling out, we have simple use-cases where read-only replicas are fine, and others where we use a partitioned, in-memory, domain repository with an eventually consistent database. This session will also cover our use of key technologies such as content delivery networks and DDoS protection strategies.