Dave,

This is an indication that you are sending across a "dynamically routed" network, like the Internet.
Since congestion may cause the messages to take different path through the network, they may
arrive in the receiving system in a different order.

This is the purpose of Messages Groups in WebSphere MQ (MQSeries) to resolve.  Unfortunately
this support was not introduced into WebSphere MQ for z/OS V5.3.  Unless you are at the latest
and greatest WebSphere MQ has to offer your choices are limited.  You can devise a way to handle it yourself or send a single message.

I can not imagine why you receive duplicate data, unless it is sent twice or possibly MS MSMQ may be utilized as the sender.  Sometimes I have seen MSMQ resend data.

Dave Adam wrote:
[EMAIL PROTECTED]">
we have a system that sent a message

header
data
data
trailer

and came into the mainframe program as

header
data
trailer
data

is this a common thing,

or should the receiving program be intelligent enough to figure out what should have been

oh, by the way, some times they say they get duplicate info

Dave Adam
Supervalu Home Office
Project Specialist
(952) 828-4736
[EMAIL PROTECTED]

Success is a Journey, not a Destination

--
Regards,
Thomas Dunlap    Chief Technology Officer    [EMAIL PROTECTED]
Themis,  Inc.    http://www.themisinc.com    1 (800) 756-3000



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