> ios is a custom-rtos for a custom machine (running on mips mostly). this is true for legacy IOS, the "new" IOS-XE and IOS-XR could run on top of linux, in fa

> ios is a custom-rtos for a custom machine (running on mips mostly). this is true for legacy IOS, the "new" IOS-XE and IOS-XR could run on top of linux, in fact IOS-XR 6.0 could run in a linux container: http://www.cisco.com/assets/global/DK/seminarer/pdfs/XR60.pdf http://www.cisco.com/assets/global/DK/seminarer/pdfs/XR60.pd...