可能重复:
Is there any difference between a GUID and a UUID?GUID和UUID有什么区别?
请告诉我一个GUID和UUID,和我应该用真正的独特性之间的区别?
更新: 我需要为唯一太算法我选择什么东西?
1) MAC address of network card
2) 128 bits (isn't 64 bits enough?)
3) What if I have a multicore machine on the same MAC address. Isn't there a chance of duplicates?
请问您的网站上创建64位或128位的GUID? – Zubair 2010-02-17 13:59:50
它使用Guid.NewGuid所以这是128位GUIDS! http://msdn.microsoft.com/en-us/library/system.guid.aspx – 2010-02-17 14:07:13