Nanomsg - Scalable Networking Library

1. Nanomsg Scalable Networking Library Hamidreza Soleimani CTO @ BisPhone Technologies Tehran Linux User Group August 11, 2016

2. – Characteristics of Scalability on Performance - André B. Bondi “Scalability is the capability of a Process, OS or Network to handle a growing amount of work, or its potential to be enlarged in order to accommodate that growth.” Scalability

3. OS ————— In-Process Transport Inter-Process Transport TCP Transport Network ————— Process ————— Thread 1 Thread 2 Process1 Process 2 Node 1 Node 2

4. Log Aggregator Global Service Registry Metric Collector Monitoring Service Clients Load Balancers Data Access Layer Databases Request Handlers Push Notiﬁcation Services etc. etc.

5. Nanomsg provides the “Lego bricks” for building scalable and distributed systems

6. – Distributed Systems: Concepts and Design (5th Edition) - Addison Wesley “A distributed system is a model in which components located on networked computers communicate and coordinate their actions by passing messages.” Distributed Systems

7. Nanomsg is all about communication and coordination

8. OS ————— In-Process Transport Inter-Process Transport TCP Transport Network ————— Process ————— Thread 1 Thread 2 Process1 Process 2 Node 1 Node 2 socket.bind('inproc://…') socket.bind('ipc://…') socket.bind('tcp://…')

9. Log Aggregator Global Service Registry Metric Collector Monitoring Service Clients Load Balancers Data Access Layer Databases Request Handlers Push Notiﬁcation Services etc. etc.

10. Nanomsg is written in C with binding for almost all languages C++ Erlang Clojure D HaskellGo Fortran Dylan C# Javascript Java Objective-C R Ruby Python PHP Lisp Rust OCaml Smalltalk

11. Nanomsg API is POSIX-compliant

12. Nanomsg Scalability Protocols PAIR REQ/REP PUB/SUBBUS SURVEY PIPELINE

13. PAIR Bidirectional Communication Socket 1 Socket 2

14. REQ/REP Client Requests, Server Replies Server Client

15. Publisher Subscriber PUB/SUB Topic Broadcasting

16. PIPELINE One-Way Data-ﬂow BUS Many-to-Many Communication SURVEY Ask Group a Question Producer ConsumerConsumer / Producer Node 1 Node 3 Node 2 Node 4 Surveyor RespondentRespondent

17. Example Github.com/hamidreza-s/NanoChat

18. Question? hamidreza-s.github.io

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