接口消息处理机

接口信息处理器（Interface Message Processor，IMP）是20世纪60年代末至1989年间与ARPANET互连的网络的分组交换节点^[1]^[2]^[3]。它是第一代网关，是现今路由器的前身。接口消息处理机是一台霍尼韦尔DDP-516小型计算机，它带有特殊用途的接口和软件^[4]。

参考文献

^ IMP -- Interface Message Processor （页面存档备份，存于互联网档案馆）, LivingInternet Accessed June 22, 2007.
^ Looking back at the ARPANET effort, 34 years later Archive-It的存档，存档日期2010-05-18, Dave Walden, Accessed June 22, 2007.
^ A Technical History of the ARPANET - A Technical Tour 互联网档案馆的存档，存档日期2012-09-10., THINK Protocols team, Accessed June 22, 2007.
^ Heart, F. E.; Kahn, R. E.; Ornstein, S. M.; Crowther, W. R.; Walden, D. C., The interface message processor for the ARPA computer network, Proceedings of the May 5–7, 1970, Spring Joint Computer Conference, 1970: 551–567 [2009-07-19], doi:10.1145/1476936.1477021

[1] IMP -- Interface Message Processor （页面存档备份，存于互联网档案馆）, LivingInternet Accessed June 22, 2007.

[2] Looking back at the ARPANET effort, 34 years later Archive-It的存档，存档日期2010-05-18, Dave Walden, Accessed June 22, 2007.

[3] A Technical History of the ARPANET - A Technical Tour 互联网档案馆的存档，存档日期2012-09-10., THINK Protocols team, Accessed June 22, 2007.

[4] Heart, F. E.; Kahn, R. E.; Ornstein, S. M.; Crowther, W. R.; Walden, D. C., The interface message processor for the ARPA computer network, Proceedings of the May 5–7, 1970, Spring Joint Computer Conference, 1970: 551–567 [2009-07-19], doi:10.1145/1476936.1477021

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