Videos

  • OneTeam Media Server: Adding Video to Instant Messaging with Erlang
    2009-04-27 Erlang Central

    Videos

    OneTeam Media Server is a new project launched by ProcessOne which is a Media server for Flash clients implementing the FLV and RTMP protocol. The project is designed so that it can work hand in hand with ejabberd, ProcessOne Instant Messaging platform. This presentation presents the goal and the architecture of the project and demonstrates the video platform. We will give performance feedback on Erlang use for binary processing in a highly demanding context. ...


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  • Webmachine: an Erlang resource server for the Web
    2009-04-27 Erlang Central

    Videos

    Webmachine is a system for easily and declaratively building well-behaved HTTP applications in Erlang. It is based on a very different execution model than most frameworks, making it easy to focus on writing the core of your application while also helping you do the harder parts of HTTP right. Justin Sheehy will discuss Webmachine's unusual Web programming model and demonstrate how to quickly build and extend Erlang / Web / REST applications. ...


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  • Erlang at SAP
    2009-04-27 Erlang Central

    Videos

    Sumeet is a part of a small group at SAP Research that is using Erlang to develop a communications serviceprototype to connect real world devices with enterprise applications. The group has worked with Erlang for almost a year and in this talk Sumeet will discuss their experience in learning applying Erlang to the challenge of building a high performance rules engine. He will also discuss some of the results of their work pertaining to scalability and performance. ...


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  • Integrating OS package management and Erlang
    2009-04-27 Erlang Central

    Videos

    Erlang supports hot code loading at the language level as a differentiating language feature, but it can be confusing to use in practice. OTP provides a high level interface via the concept of releases, but the OTP model is geared towards environments where changes are large and infrequent due to low risk tolerance (substantial QA), and deployed to a relatively small amount of static nodes. For the typical startup, code changes are small and frequent, risk tolerance to changes is high but fast ...


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  • The McErlang model checker
    2009-04-27 Erlang Central

    Videos

    In this tutorial Lars-Ake Fredlund will introduce the McErlang model checking tool for verifying Erlang programs, and examine some case studies where the tool has been successfully applied. Model checking is a verification technique where the all the states of a program are systematically explored and checked against correctness properties. Although very effective in hardware verification, there are a number of problems when applying model checking to software: - Need for abstraction: to u ...


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  • Introducing Erlang to Motorola: The Journey to Success
    2008-06-23 Erlang Central

    Videos

    Nicholas will explain how two engineers in Motorola were able to persuade top management to move Erlang out of the labs and into real telecommunications projects. First looking at the initial ideas and reasoning for using Erlang inside of Motorola, this presentation will then dive deaper into some of the organisational and technological issues associated with deploying a new development language in a large company. Two projects will be highlighted, each were used as powerful case studies to conv ...


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  • Tsung Tutorial
    2008-06-23 Erlang Central

    Videos

    This Tsung tutorial will present the fundamental concepts underlying Tsung architecture and will provide the required knowledge to write relevant benchmark scenarios. You will then learn how to create a scenario to benchmark an example web application and how to analyse the results of the benchmark. ...


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  • Using Jinterface to Bridge Erlang and Java
    2008-06-23 Erlang Central

    Videos

    As Erlang gains speed we are finding more and more opportunities to integrate it with legacy systems built on other programming platforms. A large share of these legacy systems have been written in Java, making JInterface a valuable tool in the enterprise. This session will present an in depth look at the Jinterface API and how it bridges the functional world of Erlang with the object oriented world of Java. This Erlang session will also highlight the very different approaches to concurrency off ...


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  • EUnit – Lightweight Unit Testing For Erlang
    2008-06-23 Erlang Central

    Videos

    It is generally agreed that test-driven development with unit testing is a Good Thing. However, this requires that tests are easy to write, and that running the tests is simple and quick and results are presented concisely, to make the feedback loop as short as possible. When programming in Erlang, the EUnit framework provides you with all you need to do unit testing with minimal effort. EUnit takes inspiration from the JUnit family of unit testing frameworks, but since Erlang is not an Object  ...


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  • Load Testing of Web Applications
    2008-06-23 Erlang Central

    Videos

    Load testing of web applications is typically done to understand the load characteristics the application can handle, to configure the hardware and the deployment architecture to allow the web application to handle a higher load. If an application has to scale to millions of users, performance testing becomes mandatory. This implies that the tool used for testing must be scalable in the first place in order to simulate the expected loads. Karthik explains why Erlang is the language of choice for ...


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  • Erlang & Robotics: The ROSEN Framework at the Eurobot 2008 Competion
    2008-06-23 Erlang Central

    Videos

    This talk will describe ROSEN, an Erlang robotic framework and simulation engine developed by the University of Catania. It is characterised by a layered architecture able to separate the various concurring tasks controlling the system into different modules. The framework is based on OTP principles, making a strong use of behaviors in order to separate generic functionalities from the peculiarities specifics of the robot being implemented. ROSEN and the Robotics framework is based on experience ...


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