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nanomsg library is a high-performance implementation of several "scalability protocols". Scalability protocol's job is to define how multiple applications communicate to form a single distributed application. Implementation of following scalability protocols is available at the moment:
- PAIR - simple one-to-one communication
- BUS - simple many-to-many communication
- REQREP - allows to build clusters of stateless services to process user requests
- PUBSUB - distributes messages to large sets of interested subscribers
- FANIN - aggregates messages from multiple sources
- FANOUT - load balances messages among many destinations
- SURVEY - allows to query state of multiple applications in a single go
Scalability protocols are layered on top of transport layer in the network stack. At the moment, nanomsg library supports following transports:
- INPROC - transport within a process (between threads, modules etc.)
- IPC - transport between processes on a single machine
- TCP - network transport via TCP
nanomsg library works with wide range of operating systems. It is implemented in C and has no extra dependencies except for functionality natively provided by the OS.
The library exposes a BSD-socket-like C API to the applications.
It is licensed under MIT/X11 license.
"nanomsg" is a trademark of 250bpm s.r.o.