Erlang/OTP
Erlang/OTP (Open Telecom Platform) is a development platform and set of libraries for building scalable, fault-tolerant, distributed systems, primarily using the Erlang programming language. It provides tools for concurrency, distribution, and high availability, making it ideal for telecom, messaging, and real-time applications. The platform includes the Erlang runtime system, standard libraries, and design principles for robust system architecture.
Developers should learn Erlang/OTP when building systems that require high concurrency, low latency, and fault tolerance, such as telecommunications infrastructure, chat applications, or financial trading platforms. It is particularly useful for applications that need to handle millions of simultaneous connections with minimal downtime, leveraging its lightweight processes and built-in supervision trees for reliability.