>>>>> On Wed, 3 Aug 2005 13:10:38 +0530, 
>>>>> Srinivas Goud <[EMAIL PROTECTED]> said:

> Is Final Destination Option (just before upper layer protocol), mutable or 
> immutable?

Whether an destination (or hop-by-hop) option is mutable is defined
per-option basis.  It is irrelevant from the position of the options
header containing each particular option (e.g. just before upper layer
protocol).  See RFC2460 for more details.

So,

> Can I assume that Destination Options inside AH (before AH) are mutable and 
> Destination Option outside AH (after AH) as Immutable?

No, you can't.  You need to examine the third-highest-order bit of
each option, regardless of the header position.

                                        JINMEI, Tatuya
                                        Communication Platform Lab.
                                        Corporate R&D Center, Toshiba Corp.
                                        [EMAIL PROTECTED]

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