ASN.1

Hutchison, Nigel nwoh at software-ag.de
Fri Apr 16 11:53:40 BST 1999




> -----Original Message-----
> From:	Julian Reschke [SMTP:reschke at medicaldataservice.de]
> Sent:	Thursday, April 15, 1999 9:47 AM
> To:	David Brownell; xml-dev at ic.ac.uk
> Subject:	RE: ASN.1
> 
> 
> > From: owner-xml-dev at ic.ac.uk [mailto:owner-xml-dev at ic.ac.uk]On Behalf Of
> > David Brownell
> > Sent: Wednesday, April 14, 1999 7:01 PM
> > To: xml-dev at ic.ac.uk
> > Subject: Re: ASN.1
> >
> >...
> >
> > And fourth, DER and BER are examples of a philosophy of protocol
> > development
> > that's been largely discredited for mainstream applications:
> > "bitstuffing".
> > It was a design principle that bit efficiency was more important than
> time
> > spent to encode or decode ... perhaps understandable for systems
> > using X.25
> > networks where you more or less paid by the byte, but not on a LAN or
> even
> > the Internet.  Many folk think DER/BER should be the first to be
> > put against
> > the wall when the revolution (XML?) comes; they're that unpleasant to
> use.
> >
> > ...
> 
> I would be extremely careful with this. There will always be a reason to
> stick as much as data as possible into a your byte stream. Right now
> people
> pay a premium in both performance and price for IP over cell phones, and
> even if this gets better in a few years from now, there will always be yet
> another case where you want optimal usage of your bandwidth (IP over
> satellites for example).
> 
[Nigel Hutchison]   I would have thought that the best way of dealing with
this issue is to use a "pleasant" syntax which was easy to  process and
implement another layer to compress the payload for transmission.

  Nigel W. O. Hutchison
Chief Architect, Software AG Germany
Tel: +49 6151 92 1207
Email nwoh at software-ag.de

>  
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mailman.ic.ac.uk/pipermail/xml-dev/attachments/19990416/128bb1ae/attachment.htm


More information about the Xml-dev mailing list