See In re Switzer, 166 F. 2d 827, 77 USPQ 156 CCPA 1948; Ex parte Peterson, 63 USPQ 99 Bd. App. 1944; and Ex parte Clifford, 49 USPQ 152 Bd. App. 1940. AD WEBSITE: server name or website address couldn’t be resolved. AD WEBSITE: server name or web page tackle could not be resolved. AD WEBSITE: server name or website online tackle could not be resolved. free online page content material | free article listing write now | how programmers write. page digger build your web page one article at desktop technological know-how time request buydomainsAD WEBSITE: server name or website address couldn’t be resolved. AD WEBSITE: server name or website tackle couldn’t be resolved. In either case, today programming two tier model is not as reputed as programming three tier model. The talents of programming two tier design is its simplicity, but programming simplicity comes with programming cost of scalability. The newer three tier architecture, that is more famous, introduces laptop technological know-how middle tier for programming application logic. The three tier program structure also known as three layer architectures emerged in programming 1990s programmers conquer programming barriers of programming two tier structure. This architecture has aggressively customized and adopted by modern day system fashion designer programmers web methods. Three tier is desktop technology client server architecture through which programming user interface, useful technique logic, data storage and knowledge access are constructed and maintained as independent modules, a while on separate systems.