Presentations

  • Making our Traffic Jams Disappear
    2013-06-13 Erlang Central

    Presentations Videos

    My talk presents results from the FP7 Project MODUM that are developed in Erlang. The European project develops a new approach for the pro-active demand-responsive management of traffic (cf.modum-project.eu). The developments focus on solutions assuming a high degree of participation by intelligent users. These users have an e-butler (i-butler when bought from Apple) that proactively manages their commuting and other displacements. Initial deployment of the developments will enable full utili ...


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  • Erlang, Designed for the New Web Challenges
    2013-06-13 Erlang Central

    Presentations



    While a lot of frameworks exist or are created to help you build web services for today, little embrace the new paradigms that design what the web will be tomorrow. OTP has a lot and seems designed from the ground to answer to these new challenges despite its age. This talk will present a new way of building web services by using Erlang and OTP to create a gateway or a thin layer between client applications and backends with the help of webrtc and websockets standards. Talk objectives:  ...


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  • Exosense – Demonstrating a Connected Device Application
    2013-06-13 Erlang Central

    Presentations Videos

    Feuerlabs' Exosense, a modern framework for managing connected devices, is now operational and has been demonstrated in a number of prototypes. In this talk, we will describe our approach to Connected Device life-cycle management, and walk through an Erlang-based embedded application for in-vehicle performance monitoring. We will make the case that a reasonably competent programmer can produce a working end-to-end demonstration within a few days, and be well prepared for rapid deployment, suppor ...


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  • Relx, A Dead Simple, Robust Way to build Releases
    2013-06-13 Erlang Central

    Presentations Videos



    Building Releases is harder then it needs to be. There is already so much useful metadata in any Erlang release that it should be a simple one line command to create almost any Release. With Relcool it is. Providing both a simple command line and intuitive integration with Rebar, Relcool makes the standard Releases simple and hard Releases easy. Talk objectives: The ultimate goal is to get more people using standard OTP Releases for their systems. By introducing Relcool and showing how easy ...


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  • Tailflow – An Openflow Controller Framework
    2013-06-13 Erlang Central

    Presentations Videos



    Tail-f's Network Control System (NCS) supports programming of network services on both traditional networks and Openflow networks. Tailflow is the part of NCS that supports Openflow. Inspired by the 20 year old ideas around micro-protocols, Tailflow introduces a concept called the 'flowlet'. Each flowlet encapsulates  some minimum amount of logic in order to make it composable and easy to understand. By stacking flowlets on top of each other, the full functionality of an Openflow device is co ...


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  • Tutorial: Testing Web Services with QuickCheck
    2013-06-13 Erlang Central

    Presentations

    Testing web services on the user interface level is a featured that many developers are looking for. It's simply too boring to click your way through an web service in order to get it tested. Test automation by pre-recorded sequences of clicks is neither the ideal way to go.Instead one would like to describe a model of the system and automatically generate test cases for the web service from this model. That's what QuickCheck can do for you. Quviq developed an open sourced Erlang implement ...


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  • 1000 Actors, One Chaos Monkey and… Everything OK
    2013-05-30 Erlang Central

    Presentations

    This is a pure live demo without slides. I fire up an Erlang VM instance, in which I'll activate 1000 parallel actors. Then I'll send out a chaos monkey to produce unpredictible and partially critical situations in the system. During the demo I'll explain, how this situations are being managed and solved in the running system. Also, the basic mechanisms of the Erlang VM as well as relevant parts of the ecosystem will be explained. Talk objectives: Explain Erlang approach to parallelism and OT ...


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  • Indenting Erlang Code Automatically (in Vim)
    2013-05-30 Erlang Central

    Presentations Videos



    In 2007 I wrote the Erlang indentation for Vim. It is not smart enough, so I decided to make it smarter. At the conference I will present the challenges of indenting Erlang code. Talk objectives: To give the audience some general understanding of automatic indentation in text editors, and a high-level description and interesting corner cases of indenting Erlang code Target audience: Erlang coders and text editor enthusiasts ...


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  • Taming the Rabbit: Writing RabbitMQ Plugins
    2013-05-30 Erlang Central

    Presentations

    RabbitMQ is a Messaging and Queueing server that works with the AMQP protocol. But what happens if we want to use the server beyond AMQP? What if we want to replace its own storage engine or provide new authentication methods? All of that can be done why writing new plugins for RabbitMQ in Erlang. In this talk we are going to present various plugins for RabbitMQ and we will show how to extend the broker by adding new routing algorithms with custom exchange types. The code examples will be in ...


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  • Keynote: Erlang and the Chasm
    2013-05-30 Erlang Central

    Presentations

    Many wonderful technologies show great potential but never really become mainstream. As an example of how this plays out for a specific technology this talk will look at the status of Erlang using the technology lifecycle lenses of Geofrey More and in particular discuss if Erlang is before, in or after the Chasm. The take aways are not specific to Erlang in any way, so this talk could probably be done talking about technology X, but it makes more sense to talk about technology management and ...


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  • Taking the printf out of printf Debugging
    2013-05-30 Erlang Central

    Presentations

    Debugging a realtime system is hard, especially if the bugs only appear on a live system. Debuggers cannot be used, and printf debugging is often deemed too risky. The Erlang runtime offers a way to do on-the-fly instrumentation on the function level through the erlang:trace/3 function. This talk will discuss the trace BIF and how to use it. It will also describe redbug, a user-friendly and safe interface to the trace BIF. War stories will in all likelihood be offered. Talk objectives:  ...


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