----- Original Message ----- From: "Alex Satrapa" <[EMAIL PROTECTED]> > As long as you don't use RFC1918 addresses, the IPv4 address(es) of the > host should be unique for the Internet. Append/prepend a 32 bit > timestamp and you have a 64bit unique identifier that is "universally" > unique (to one second).
Aarrgh... So if you have 2 inserts in the same second, you have key collision? Why not append a sequence to that so you have: Unique address || timestamp || sequence value. In a case such as this I can see why you might want to use md5() to hash that value. Best Wishes, Chris Travers ---------------------------(end of broadcast)--------------------------- TIP 1: subscribe and unsubscribe commands go to [EMAIL PROTECTED]