The Sun model ? Before the rise of the x86 based servers there pretty much evey major server vendor was doing this. IBM power - AIX, HP PA-RISC-AIX, Sun - you k

The Sun model ? Before the rise of the x86 based servers there pretty much evey major server vendor was doing this. IBM power - AIX, HP PA-RISC-AIX, Sun - you know already, Digital Alpha-Digital UNIX. Practically everybody had(and in the case of IBM still do) their own hardware including custom chips. The CPU world was way more diverse in the 90s and early 2000s. Sun was hardly the first or the only one.