Extract.co hire the best Erlang developers who build massively scalable real-time systems. This allows you to reduce operational and recruitment costs and build your applications faster, with reduced total life costs. Erlang is a functional programming language. It was developed by Ericsson and the first version released in 1986.The first open source release of the language in 1998. Erlang includes a very simple concurrency model, allowing individual blocks of code to be executed multiple times on the same host with relative ease.
It has a virtual machine (VM) and the OTP middleware and libraries. OTP (Open Telecom Platform) is aimed at providing time-saving and flexible development for robust, adaptable telecom systems. It consists of an Erlang runtime system, a number of ready-to-use components mainly written in Erlang, and a set of design principles for Erlang programs.
The Erlang runtime system (ERTS) is made up of an emulator running on top of the host operating system, a kernel providing low-level services such as distribution and I/O handling, and a standard library containing a large number of re-usable modules. An OTP application is a way to package a system component and is either a set of library modules or a supervision tree.
It includes powerful components for a network system, including an HTTP server, a Simple Network Management Protocol ( SNMP ) agent, a Common Object Request Broker Architecture ( CORBA ) interface, an OAM subsystem, and a fully distributed database engine.
Some of the main characteristics of the language are as follows
1.Erlang has mechanisms for expressing real-time dependencies. In many circumstances, a particular operation must be performed within a certain time.
2.The kinds of application which we are interested in are essentially distributed. Such systems are built from the variable number of communicating nodes. Each node operates autonomously and there is no central or master nodes in the system.
3.Erlang provides dynamic data type s, allowing programmers to develop system components that do not care what type of data they are handling and others that strongly enforce data type restrictions or that decide how to act based on the type of data they receive.
4. Interfaces to other programming languages, such as C, C++ and Java, are provided.
5.Erlang comes with design patterns or templates for client-server design, state machines, event distribution, and thread supervision.
6.Erlang's bytecode is identical on all platforms, and a network of Erlang nodes may consist of any mix of NT, UNIX, or other supported platforms.
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