# Specify network topology by argument (Parallel)

**URL:** <https://discourse.julialang.org/t/specify-network-topology-by-argument-parallel/3021>\
**Category:** Internals & Design\
**Created:** [April 3, 2017, 10:04am UTC](https://discourse.julialang.org/t/specify-network-topology-by-argument-parallel/3021 "2017-04-03T10:04:44Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![bluehope](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/bluehope/32/4959_2.png) [@bluehope](https://discourse.julialang.org/u/bluehope)\
**Post date:** [April 3, 2017, 10:04am UTC](https://discourse.julialang.org/t/specify-network-topology-by-argument-parallel/3021/1 "2017-04-03T10:04:44Z")

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Is it possible to specify network topology by argument?  
[http://docs.julialang.org/en/stable/manual/parallel-computing/#specifying-network-topology-experimental](http://docs.julialang.org/en/stable/manual/parallel-computing/#specifying-network-topology-experimental)

Like julia --machinefile “nodes.txt” --topology=master\_slave