64-Bit Windows XP Has been available since first quarter 2002. Windows 2000 Advanced Server LE is a 64-bit operating system. Intel and Microsoft worked very closely when developing these 64-bit OS's specifically designed for the Itanium proc. I would imagine that.NET will launch 32 and 64 bit versions in synchrony, especially since the Opteron is due to hit shelves very soon. I'm sure that due to the source-code nature of Unix that it will (as usual) be an attractive advantage for 64-bit servers, since there is an opportunity for some extra optimization at the compilation level, but hasn't this always been the case =] Nothing has changed.
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64-Bit Windows XP Has been available since first quarter 2002. Windows 2000 Advanced Server LE is a 64-bit operating system. Intel and Microsoft worked very closely when developing these 64-bit OS's specifically designed for the Itanium proc. I would imagine that .NET will launch 32 and 64 bit versions in synchrony, especially since the Opteron is due to hit shelves very soon. I'm sure that due to the source-code nature of Unix that it will (as usual) be an attractive advantage for 64-bit servers, since there is an opportunity for some extra optimization at the compilation level, but hasn't this always been the case =] Nothing has changed.