Large Files

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jefforyamos - 27 Sep 2004 18:05 GMT

I am designing a mission-critical application that needs to move files as
large as 2GB across a T-1. I get the impression that DIME breaks down far
below this and is soon to be replaced by MTOM anyway.

What is Microsoft's recommendation on how to move large (too large for
memory) files across web services now?

Thanks,
jeff

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Hervey Wilson [MSFT] - 28 Sep 2004 06:45 GMT

> I am designing a mission-critical application that needs to move files as
> large as 2GB across a T-1. I get the impression that DIME breaks down far
[quoted text clipped - 5 lines]
> Thanks,
> jeff

MTOM will replace DIME, but it will not solve this problem. MTOM is
still just an encoding format, one that happens to include the binary
data into the SOAP InfoSet and therefore make it simple to secure and
process.

The best mechanism for doing this today using SOAP is to chunk the file
at the client into a set of messages, send these and re-assemble at the
service. Longer-term, automatic runtime chunking using something like
WS-ReliableMessaging, is my favourite solution.

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