Chinen-san,
Do you mean this is also talking about 1.0.8?
...miyata
On 2008/04/01, at 11:22, Hiroshi MIYATA wrote:
> Chinen-san,
>
> Sorry for my delay.
> Let me confirm, which version of test tool are you talking about?
>
> DHCPv6 Self Test (version 1.0.8) (updated at 2007/11/26)
>
> is latest one.
>
> Are you using this one?
>
> Thanks,
>
> ...miyata
>
> On 2008/02/29, at 17:30, Mitsuru Chinen wrote:
>
>> Hi there,
>>
>> I found a bug in one of the client tests:
>> #42 Part D : Maximum Retransmission Duration of Confirm message
>>
>> Section 14 in RFC3315 says:
>>
>>> RT for each subsequent message transmission is based on the
>>> previous
>>> value of RT:
>>>
>>> RT = 2*RTprev + RAND*RTprev
>>>
>>> MRT specifies an upper bound on the value of RT (disregarding the
>>> randomization added by the use of RAND). If MRT has a value of 0,
>>> there is no upper limit on the value of RT. Otherwise:
>>>
>>> if (RT > MRT)
>>> RT = MRT + RAND*MRT
>>
>> However, the test handles latter case only.
>>
>> Best Regards,
>> ----
>> Mitsuru Chinen <mitch@linux.vnet.ibm.com>
>>
>> --- DHCPv6_Self_Test/rfc3315/C_RFC3315_18_1_2_RetransCnf.seq
>> 2007-10-30 21:56:45.000000000 +0900
>> +++ DHCPv6_Self_Test_client/rfc3315/C_RFC3315_18_1_2_RetransCnf.seq
>> 2008-02-25 22:03:52.000000000 +0900
>> @@ -67,6 +67,7 @@ my $timeout = 30;
>> my $remain = 0;
>> my $lastflag = 0;
>> my $mrdflag = 0;
>> +my $min_rt = 0;
>>
>> my $IRT = $CNF_TIMEOUT;
>> my $MRT = $CNF_MAX_RT;
>> @@ -253,7 +254,11 @@ while(1){
>> vLogHTML('<FONT COLOR="#FF0000">MRD expired! </FONT><BR>');
>> dhcpExitFail;
>> }
>> - if($rd + $interval*(1-$RAND) > $MRD){
>> + $min_rt = (2 - $RAND) * $interval;
>> + if ($min_rt > $MRT) {
>> + $min_rt = (1 - $RAND) * $MRT;
>> + }
>> + if($rd + $min_rt > $MRD){
>> vLogHTML('<FONT COLOR="#FF0000">Next message must not be
>> observed</FONT><BR>');
>> $mrdflag += 1;
>> }
>>
>
>