Re: [Boost-users] Re: Is there a binary serialization class ?

From: Mauricio Gomes (mg_at_[hidden])
Date: 2004-09-03 14:08:41

On Sep 3, 2004, at 3:25 PM, Jeff Garland wrote:

> On Fri, 3 Sep 2004 15:02:43 -0300, Mauricio Gomes wrote
>> On Sep 3, 2004, at 1:06 PM, Jeff Garland wrote:
>> Hi,
>>
>> But if CDR is not used then do you guys know what is ?
>>
>> Because, please correct me if I am wrong (I am just reading and
>> learning with this thread), isn't this functionality (machine
>> agnostic serialization) crucial to frameworks like ACE and to
>> specifications like CORBA and to any cross-platform network
>> communication library ?
>
> Yes, CDR is Common Data Representation and it is part of the CORBA 
> standard.
> It deals with things like byte swapping etc.  ACE has a CDR Stream
> implementation that is used to stream data for the TAO CORBA 
> implementation.
>
> The serialization library uses a 'local' binary format so the binary 
> archive
> cannot necessarily be ported to another machine or even possibly 
> another
> compiler on the same machine.  This is likely a much more performant 
> option
> than a CDR binary archive for those applications that use a single
> machine/compiler.  So, the bottom line is, the serialization library 
> can be
> extended to support CDR, but as far as I know no one is working on 
> actually
> doing it...
>
> Jeff

Sorry I think I am transforming this in a thread more suitable for an 
ACE list but I can't resist this last comment/question.
So ... does this mean that I canNOT use ACE/TAO to make my PowerPC G4 
Mac talk to my Intel Pentium PC ?
Disappointing.

Thank you for the information Jeff.

Mauricio Gomes
Pensar Digital
http://pensardigital.com

On Sep 3, 2004, at 3:25 PM, Jeff Garland wrote:

> On Fri, 3 Sep 2004 15:02:43 -0300, Mauricio Gomes wrote
>> On Sep 3, 2004, at 1:06 PM, Jeff Garland wrote:
>> Hi,
>>
>> But if CDR is not used then do you guys know what is ?
>>
>> Because, please correct me if I am wrong (I am just reading and
>> learning with this thread), isn't this functionality (machine
>> agnostic serialization) crucial to frameworks like ACE and to
>> specifications like CORBA and to any cross-platform network
>> communication library ?
>
> Yes, CDR is Common Data Representation and it is part of the CORBA 
> standard.
> It deals with things like byte swapping etc.  ACE has a CDR Stream
> implementation that is used to stream data for the TAO CORBA 
> implementation.
>
> The serialization library uses a 'local' binary format so the binary 
> archive
> cannot necessarily be ported to another machine or even possibly 
> another
> compiler on the same machine.  This is likely a much more performant 
> option
> than a CDR binary archive for those applications that use a single
> machine/compiler.  So, the bottom line is, the serialization library 
> can be
> extended to support CDR, but as far as I know no one is working on 
> actually
> doing it...
>
> Jeff
>
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