Re: [mmox] Agenda for 3/24 MMOX BoF Redux - times are now in wall-clock time

On Mar 7, 2009, at 10:50 AM, Charles Krinke wrote:

> Time is always a fun one, Tammy.
>
> To those who provide software only, such as OpenSim, Wonderland,  
> Croquet, Fortrerra, others, time may be less important that to those  
> that operate virtual worlds such as SecondLife, OSGrid, There.com,  
> others.
>
> On OSGrid & OpenSim mailing lists, the consensus seems to be "UTC"  
> in general. There are folks with specialized grids using OpenSim for  
> corporate purposes inside firewalls that seem to prefer to use the  
> server time zone.
>

My recommendation is not to reinvent the wheel with time issues -  
mistakes are almost inevitable. Use UTC, and
remember that leap seconds can have either sign.

Regards
Marshall

> So, ... I would concur that UTC makes the most sense. But, ... I  
> also have to say that MMOX might want to have an offset from UTC for  
> flexibility.
>
> This is, of course, with all due respect to LindenLab and SLT.
>
> Charles Krinke
> OpenSim Core Developer
> OSGrid Director
>
> On Sat, Mar 7, 2009 at 6:53 AM, Tammy Nowotny <TammyNowotny@mac.com>  
> wrote:
>
>
> Meadhbh Hamrick (Infinity) wrote:
>>
>> What:
>>
>> MMOX BoF - Birds of a Feather session for the proposed "Massively  
>> Multi-Participant Online X { X : X = 'applications' ∨ 'games' }"  
>> working group
>>
>> Time / Space:
>>
>> * Tuesday, 24 March, 2009 ( 15:20 - 17:00 ) @ Continental 1&2
>> * More info on IETF 74 @ http://www.ietf.org/meetings/74/
>> * Check http://tools.ietf.org/agenda/74 for changes
>>
>> BoF Chairs:
>>
>> Meadhbh Hamrick <infinity@lindenlab.com>
>> Barry Leiba <barryleiba@computer.org>
>>
>>
>
> But, but... clock time in this case is the global standard, i.e.,  
> Linden Time!  I don't understand... <joking>
>
> Seriously, though, Linden Time is not the global standard.  The  
> standard is UTC, which some of us might know better as GMT or Zulu  
> Time.   Time zones may be worth addressing in the standards.  I  
> don't know if you would want to mandate that all virtual worlds  
> should operate on UTC (although I think SL should do so), but you  
> definitely should specify how to relate the VW's time to UTC.  That  
> would include the issue of daylight saving time--- as you know here  
> in the USA, we are starting daylight saving back up tomorrow since  
> most Americans and Canadians have used up all the daylight they  
> saved up last summer.  In other parts of the northern hemisphere,  
> daylight saving starts later because North Americans have been using  
> up their daylight faster than other northern peoples--- and of  
> course many people live in the southern hemisphere and have a  
> surplus of daylight at the moment because it is late summer down  
> there, not late winter :-)
>
>
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> -- 
> Charles Krinke
> OpenSim Core Developer
> OSGrid Director
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