• Subject: RE: Sockets vs MQSeries
  • From: "McCallion, Martin" <MccalliM@xxxxxxxxxxxxxxxx>
  • Date: Fri, 19 Jan 2001 16:00:58 -0000

Stephane said:

> I developped an interface on as400 with linux machine. 
> I wrote this interface using sockets in RPG (Client and server side) 
> It works very good. 
> Speed, length of source code, size of object are nice. 

> Some guys talk me about MqSeries and said it is better and more
'STANDARD' 
> than sockets. 
> I don't know MQseries. 

And Dean answered: 

> I don't know who those "guys" are, but they need to wake up.  MQSeries
is 
> (now) an IBM product.  Sockets go anywhere, and are certainly more
"standard" 
> than MQSeries.  MQ was developed before there _were_ sockets on the
AS/400.   
> The only way I can envision MQ being better than sockets is that MQ
has many 
> recovery abilities built in...sockets can be a little "iffy" in this
regard. 

True enough about standards.  But MQSeries is a very good way to go if
you want guaranteed once-and-once-only message delivery, along with a
simple API, across a wide range of platforms and network protocols
(well, ok, two network protocols).  Of course, you do have to pay for
it.

Actually, I'm fairly sure that, when using IP as the transport, MQSeries
uses sockets under the covers.

Personally, I think MQSeries is an immensely strong technology that IBM
doesn't market nearly as hard as they should, probably because they
don't realise what they've got.

Now what does that remind me of...

Cheers,

Martin.

--                                                                     
Martin McCallion                 
Midas-Kapiti International
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Home: martin.mccallion@ukonline.co.uk

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