ARPA主机名服务器协议(NAMESERVER)是一种已过时(英语:Obsolete#Technical or functional obsolescence)的用于转换主机名到互联网地址的网络协议。IANA将TCP和UDP的端口42分配用于NAMESERVER;此端口在微软Windows操作系统上更常被WINS使用。
(页面存档备份,存于互联网档案馆). John Swan; Tomek Krzyzak. "Using FPGAs to avoid microprocessor obsolescence" (页面存档备份,存于互联网档案馆). 2008 Staff. FPGA processor IP needs to be supported
Bradley, David. The disappearance of the Ugong in Thailand. Investigating Obsolescence. 1989: 33–40. ISBN 9780521324052. doi:10.1017/CBO9780511620997.006.
September 2014 [2015-06-13]. (原始内容存档于2014-11-06). Clement Wong. Planned Obsolescence: The Light Bulb Conspiracy. economicstudents. 9 September 2012 [12 June