Re: rfc2462bis: new section 5.7

[JINMEI Tatuya / $B?@L@x#:H(B <jinmei@xxxxxxxxxxxxxxxxxxxxx>]

>>>>> On Thu, 8 Apr 2004 11:03:41 -0700 (PDT), 
>>>>> Erik Nordmark <Erik.Nordmark@sun.com> said:

>> 5.7 Retaining Configured Addresses for Stability
>> 
>> An implementation that has stable storage may want to retain
>> addresses in the storage when the addresses were acquired using
>> stateless address autoconfiguration. Assuming the lifetimes used are
>> reasonable, this technique implies that a temporary outage (less than
>> the valid lifetime) of a router will never result in the node losing
>> its global address even if the node were to reboot. When this
>> technique is used, it should also be noted that the expiration times
>> of the preferred and valid lifetimes should be retained, instead of
>> or in addition to the lifetimes themselves, in order to avoid
>> unexpected lifetime expiration during the boot period.

> The last part sounds like one need to make sure the address lives 
> long enough; my concern is about it living for too long.
> So I'd reword the last sentence to say:
> 	When this
>    technique is used, it should also be noted that the expiration times
>    of the preferred and valid lifetimes must be retained, in order to 
>    prevent usage of an address after it has become invalid.

Thanks for the suggestion.  I'll use the reworded text then.

					JINMEI, Tatuya
					Communication Platform Lab.
					Corporate R&D Center, Toshiba Corp.
					jinmei@isl.rdc.toshiba.co.jp

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