Re: [soaplite] SOAP::Lite and WSDL
> /apart/ from enabling them to interactThat's a pretty big deal when you have a lot of code in both Perl and Java.
> with other services which are implemented in a more strongly-typed
----- Original Message -----
From: jamievicary2000 <jamievicary@...>
Date: Tue, 17 Aug 2004 13:32:49 -0000
Subject: [soaplite] SOAP::Lite and WSDL
As Perl is a very loosely-typed language, what use is WSDL for
services based on SOAP::Lite, /apart/ from enabling them to interact
with other services which are implemented in a more strongly-typed
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- I'll take a stab at this.
I'd say the "apart" portion of your observation is the
most important part of Web Services. The value of WS
is hardware- and language-neutral interoperability
within a "Service Oriented Architecture."
I'm not sure I agree with all the projected nirvana
surrounding WS and SOA, but the role WSDL plays is to
enable service *interchange* at the implementation
level. A WS author can register a service in UDDI. A
WS consumer can discover that service. If WSDL is
used, UDDI can register the technical details from it
(instead of the author manually specifying access
points, biding templates, etc.) The consumer (assuming
she has a software tool capable of this) can discover
the service and use it immediately (design-time
binding) with little understanding of the WS's parms
To me, its best viewed as abstraction. Web Services
are a way of abstracting methods and data via an API
(SOAP). WSDL is just a way to abstract the API. If
you're consuming your own WS, or the consumers are
very static, then the benefit of WSDL is minimal. But
then, I'd say so is the benefit of WS. (If there's no
benefit abstracting the details of the API in a
standardized manner, there's probably similar benefit
abstracting the method and data in a standardized
--- jamievicary2000 <jamievicary@...> wrote:
> Dear all,__________________________________
> As Perl is a very loosely-typed language, what
> use is WSDL for
> services based on SOAP::Lite, /apart/ from enabling
> them to interact
> with other services which are implemented in a more
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