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Hollin Wilkins  
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 More options Sep 29 2012, 5:18 pm
From: Hollin Wilkins <h...@cornell.edu>
Date: Sat, 29 Sep 2012 14:18:39 -0700
Local: Sat, Sep 29 2012 5:18 pm
Subject: [erlang-questions] Erlang Distribution
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Hello everyone,

I am new to the mailing list. I've written several small libraries and
servers in Erlang, and I am interested in learning more about its internals.
Mainly, I am wondering if there are any papers on the distribution protocol
for forming clusters on Erlang nodes. I have tried looking at the
net_kernel and related source files to figure out how it works. But this
code is quite complex, and I would understand it better with some sort of
paper or companion guide to explain the protocol at a higher level.

Thank you all,
Hollin Wilkins

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Michael Truog  
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 More options Sep 29 2012, 7:21 pm
From: Michael Truog <mjtr...@gmail.com>
Date: Sat, 29 Sep 2012 16:20:51 -0700
Local: Sat, Sep 29 2012 7:20 pm
Subject: Re: [erlang-questions] Erlang Distribution
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On 09/29/2012 02:18 PM, Hollin Wilkins wrote:

> Hello everyone,

> I am new to the mailing list. I've written several small libraries and servers in Erlang, and I am interested in learning more about its internals.
> Mainly, I am wondering if there are any papers on the distribution protocol for forming clusters on Erlang nodes. I have tried looking at the net_kernel and related source files to figure out how it works. But this code is quite complex, and I would understand it better with some sort of paper or companion guide to explain the protocol at a higher level.

I think these links within the Erlang documentation are the most relevant:
http://www.erlang.org/doc/apps/erts/erl_dist_protocol.html#id89232
http://www.erlang.org/doc/apps/erts/erl_ext_dist.html
http://www.erlang.org/doc/tutorial/cnode.html

I am not sure about paper references that describe the protocol.  However, the external term format changes enough that a paper would probably be outdated and inaccurate.

I also would be interested in a paper that goes into the details (concerns/choices/decisions) of the protocol between connected nodes (probably includes EPMD details), since that protocol probably hasn't changed as much.

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Björn-Egil Dahlberg  
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 More options Sep 29 2012, 7:31 pm
From: Björn-Egil Dahlberg <wallentin.dahlb...@gmail.com>
Date: Sun, 30 Sep 2012 01:31:26 +0200
Local: Sat, Sep 29 2012 7:31 pm
Subject: Re: [erlang-questions] Erlang Distribution
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2012/9/29 Hollin Wilkins <h...@cornell.edu>

> Hello everyone,

> I am new to the mailing list. I've written several small libraries and
> servers in Erlang, and I am interested in learning more about its internals.
> Mainly, I am wondering if there are any papers on the distribution
> protocol for forming clusters on Erlang nodes. I have tried looking at the
> net_kernel and related source files to figure out how it works. But this
> code is quite complex, and I would understand it better with some sort of
> paper or companion guide to explain the protocol at a higher level.

If your looking for internals and descriptions of the protocol I can give
you a few pointers:
 * http://www.erlang.org/doc/apps/erts/erl_dist_protocol.html - Description
of the distribution protocol
 * http://www.erlang.org/doc/apps/erts/erl_ext_dist.html - Description of
the external format used by the protocol

You can find a description of the handshake protocol for erlang
distribution in a "internal_doc" folder in the source code. See
https://github.com/erlang/otp/blob/maint/lib/kernel/internal_doc/dist...

An EU Project, called the Release project (http://www.release-project.eu/),
has a work package focusing on Distributed Erlang. You can find the current
research here http://www.release-project.eu/documents/D3.1.pdf

// Björn-Egil

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