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  1. Proceedings of the 4th ACM SIGPLAN workshop on Commercial users of functional programming (CUFP '07)
  2. An OCaml-based network services platform
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Fourth ACM SIGPLAN Workshop on Commercial Users of Functional Programming
Industrial uses of Caml: examples and lessons learned from the smart card industry
The way it ought to work... and sometimes does
The default case in Haskell: counterparty credit risk calculation at ABN AMRO
Ct: channelling NeSL and SISAL in C++
Terrorism response training in scheme
Learning with F#
Productivity gains with Erlang
An OCaml-based network services platform
Using functional techniques to program a network processor
Impediments to wide-spread adoption of functional languages
Functional programming in communications security
Cross-domain WebDAV server
Discussion
CUFP in the future

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An OCaml-based network services platform

Content Provider ACM Digital Library
Author Waterson, Chris
Abstract At Liveops, we've developed a robust network services platform that combines the scalability of event-based I/O with the simplicity of thread-based programming. We've done this using functional programming techniques; namely, by using continuation-passing monads to encapsulate computation state and hide the complexity of the non-blocking I/O layer from the application programmer. Application code is written in a "naive threading" style using primitives that simulate blocking I/O operations. This network platform serves as the basis for one of the most critical applications in our business --- agent scheduling --- and has proven to be easy to maintain and extremely scalable. Using commodity server hardware, we are able to support thousands of persistent SSL connections on a single dual-core Pentium-class server, and handle tens of thousands of transactions per minute. The application and platform are implemented in OCaml. This talk will briefly describe the application domain, discuss the specifics of the monadic I/O library we've built, and describe some of the issues involved. Our hope is that by the time that the conference arrives, the library will be released as open-source software. Although developed independently, this work is the same vein as (and, in some ways, validates) Peng Li and Steve Zdancewic's A Language-based Approach to Unifying Events and Threads, which appears in the ACM SIGPLAN Conference on Programming Language Design and Implementation (PLDI) in June 2007.
Starting Page 1
Ending Page 2
Page Count 2
File Format PDF
DOI 10.1145/1362702.1362711
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2007-10-04
Publisher Place New York
Access Restriction Subscribed
Content Type Text
Resource Type Article
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