Julian Reschke reschke at
Thu Apr 15 09:47:36 BST 1999

> From: owner-xml-dev at [mailto:owner-xml-dev at]On Behalf Of
> David Brownell
> Sent: Wednesday, April 14, 1999 7:01 PM
> To: xml-dev at
> 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).

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