ISO Aeronautics Telecommunication Network (ATN) Island Routing Domain Confederation ATN TRD ATN TRD ATN Backbone RDC ATN TRD ATN ERD ATN ERD ATN Island RDC Mobile RD Mobile RD Mobile RD Another ATN Island ERD – End Routing Domain RD – Routing Domain RDC – Routing Domain Confederation TRD – Transit Routing Domain OSI IDRP Routing Controlled topology to ensure rapid route prorogation Routing Protocols requires ownership/coordination of infrastructure Injecting routes Not deployed due to cost |