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Re: Variable length internet addresses in TCP/IP: history

On 2/15/2012 1:10 PM, Stephen Sprunk wrote:
The problem with variable-length addressing that, in practice, one needs
to specify a maximum length.

In some practical terms, perhaps, but there are extensibility schemes that allow the payload (addressing bits, in this case, to go on forever, in theoretical terms.

> The result, therefore, is that you don't
have variable-length addresses at all but rather fixed-length addresses
with a shorthand encoding for unused bits.

For most variable-length schemes, yes, but not all.



  Dave Crocker
  Brandenburg InternetWorking
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