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Re: IPComp rfc2393bis-00
At 09:00 AM 11/24/99 +0900, itojun@iijlab.net wrote:
> Thanks for clarification, I did not notice the following. I would
> add a word ONLY, like "and are used ONLY for manual setup".
>
>>> 0-63 define well-known compression algorithms, which require no
>>> additional information, and are used for manual setup. The
There is a second use - to save the CPU cycles of the
CPI-to-algorithm conversion, even when the algorithm is negotiated
dynamically. That is the rationale for the note in the CPI definition:
Compression Parameter Index (CPI)
16-bit index. The CPI is stored in network order. The values
0-63 define well-known compression algorithms, which require no
additional information, and are used for manual setup. [...] Note: When
negotiating one of the well-known algorithms, the nodes MAY
select a CPI in the pre-defined range 0-63.
avram
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