There are many people out there that think XenServer is gone, dead, or similar. There are many people out there than will not agree with me at all, but for those of you who watched the Synergy keynote yesterday, might have noticed that they mentioned an upcoming XenServer technical preview! So, how come that is something to write an article about? Well, XenServer is going all 64-bit on us! Why 64-bit is so important you might ask! Well, XenServer is not fully 64 bit today. Dom0 runs on 32bit and this is where the performance++ gain would get a boost.