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From: Pascal Obry <p.obry@wanadoo.fr>
Newsgroups: comp.lang.ada
Subject: Re: JGnat support. was NetBeans and ADA?(Co-opt Java?)
Date: 11 Mar 2002 18:38:12 +0100
Organization: Home - http://perso.wanadoo.fr/pascal.obry
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Florian Weimer <fw@deneb.enyo.de> writes:

> Pascal Obry <p.obry@wanadoo.fr> writes:
> 
> > This is strange, SOAP as been created and pushed by Microsoft. SOAP
> > is XML plus transport layer (one used a lot is HTTP). Of course it
> > is an overhead for an addition style webservices...
> 
> One problem with HTTP as transport layer is that processing a SOAP
> request can cost a lot of time, during which the TCP connection has to
> be kept open.  People fear that this might kill performance.

Ok, but you would not argue to close the connection anyway... would you ? If
this is done then we are back to HTTP/1.0 without keep-alive connections and
this will for sure be a performance-killer ! Transmitting data is not a big
deal but opening and closing a connection (socket) is.

> Anyway, I consider SOAP extremely annoying from a security
> perspective---the HTTP transport layer was chosen with the purpose to
> tunnel existing firewalls.

Indeed, this is an extremelly nice feature. And about security I don't see the
problem. HTTP is a transport layer, you can use HTTP/SSL if you like and if
this is not enough you can just crypt the XML payload with DES, RSA or
whatever algorithm meets you security expectation.

Pascal.

-- 

--|------------------------------------------------------
--| Pascal Obry                           Team-Ada Member
--| 45, rue Gabriel Peri - 78114 Magny Les Hameaux FRANCE
--|------------------------------------------------------
--|         http://perso.wanadoo.fr/pascal.obry
--|
--| "The best way to travel is by means of imagination"