[erlang-questions] Misultin EOL

Gordon Guthrie gordon@REDACTED
Sat Feb 18 12:31:02 CET 2012

> . yaws - for blown-up web applications with templates, etc;
> . cowboy - for API / REST related stuff, or for building custom non-http
> protocols.

On a similar note it would be good to get a consistent authentication
mechanism for using API's so that people didn't need to first build
their own mechanism and THEN painfully build a community of developers
who have built and contributed libraries conformant to it in other

I made a start by building an AWS-clone private, public keypair
authentication library which I committed upstream (to us) to mochiweb:

The aim is to make it as easy as possible to release an API that
extends out to the libraries that API consumers need to build their
applications in their own languagues.

I know Yaws a bit, but I am not that familiar with misultin and
cowboy. Is anyone else working on libraries like this that I should
co-ordinate with?


On 17 February 2012 21:11, Roberto Ostinelli <roberto@REDACTED> wrote:
> On Fri, Feb 17, 2012 at 8:10 AM, Ulf Wiger <ulf@REDACTED> wrote:
>> FWIW, as has perhaps become evident, as we needed to pick a web server
>> here at Feuerlabs, we had an open-ended discussion about the different
>> alternatives, then decided to go with Yaws. First off, we will do our best
>> to steer clear of tying ourselves to hard to any particular web server API,
>> but I don't see that as a big problem. If we decide to change later on, it
>> will be a small effort in our case.
>> We chose to start with yaws for exactly the reasons that have come up
>> here. It's battle-proven, has remained stable over the years, and doesn't
>> appear to have any big problems keeping up with the new kids on the block in
>> terms of speed (at least within the margin of uncertainty given that Yaws
>> really does strive hard to be fully compliant - something that means
>> something to us, as it will be the point of interface for our external
>> customers).
>> What impresses with Yaws is its long track record and feature list, and a
>> quick look at the development activity made it obvious that it is being very
>> well looked after.
>> That said, the energy around Cowboy is impressive too. Our choice was not
>> a vote *against* Cowboy, but rather a vote of confidence for Yaws. We have
>> other fish to fry.
> this is exactly why i took misultin out of the picture.
> we discussed about web servers, bob ippolito, steve vinoski and i some
> months ago at the riak 1.0 release party (there's proof!
> https://twitter.com/#!/ostinelli/status/134183807560593408/photo/1).
> in my belief, we should be concentrating our efforts in a common 'low-level'
> library, on top of which we could build other services. in an extreme point
> of view, i even suggested that, should cowboy live up to the expectations,
> steve could consider it as being yaws engine, on top of which it could
> deliver all the amazing features yaws is capable of. obviously this ain't
> gonna happen anytime soon, yaws is way more mature/stable than cowboy.
> my opinion is that there should be mainly two candidates:
> . yaws
> . cowboy
> the different features / ease of maintenante / personal taste, etc. should
> be the discriminating factors.
> i would _personally_ use (please, read the IMHO statement really loud in
> your head):
> . yaws - for blown-up web applications with templates, etc;
> . cowboy - for API / REST related stuff, or for building custom non-http
> protocols.
> 95% of my usage is in developing protocols and backend APIs, hence my added
> interest in cowboy.
> cowboy adding webmachine's REST-like support was the decisive move that made
> me go for my decision in stopping public support for misultin (obviously, it
> is still used in production and probably will be for some time).
> on a final note, i want to say that i'm really glad of the open source
> community reaction. it has acted very mature upon my decision, understanding
> the reasons and sharing the outcomes we all hope this may have.
> now let's continue building amazing stuff ^^_
> r.
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Gordon Guthrie
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