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Re: multicasting and distributed objects

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Re: multicasting and distributed objects

Subject: Re: multicasting and distributed objects
From: David Spooner <email@hidden>
Date: Tue, 09 Oct 2007 13:57:18 -0600

On Tue, 9 Oct 2007 14:01:27 -0400, "A.M." <email@hidden> wrote:

Take a look at Avis:
http://avis.sourceforge.net/


Thank you.

Reliable multicasting is a notoriously expensive problem. Even if you
send a one-way message, how do you know it was received and being
processed over UDP multicast?

The server which sends the messages doesn't care, but marks each message with an index so that clients can detect missed messages and request those messages be sent again...

What limitation does your prototype impose so that it can't handle
NSInvocations?

I thought I had observed that NSInvocation does not respond to - encodeWithCoder:; I see now that that it does on 10.4. That still leaves the problem of byref objects (which I don't currently need).

At this point my interest is largely academic...

dave
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