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ICAO Document 9896, that may be applicable to accommodate variations in specific State
or regional environments.
Scope of Investigation
The current scope of IPS Profiles is the air/ground (A/G) communication supporting B1,
B2, FANS, and AOC services. However, this does not preclude use of this minimum
standard to support other services such as UAS C2 BLOS network, SWIM network and
A/G SWIM. The desire is to maintain the IPS to be closely aligned with the commercial
Internet Standards such that aviation industry can benefit from Commercial off the Shelf
(COTS) implementations. The scope of this investigation has been limited to stable IETF
RFCs in the Standards Track. However, IETF may update, add or make some of these
RFCs obsolete in future. Therefore, periodic update of this Profiles document is expected.
In addition, as system implementations mature to gradually include more features --
resulting in increased performance -- more complex parts of the standard may be chosen
by the aviation community to be incorporated into new and more-advanced IPS profiles.
If so, some of the parameters provided in this document may have to be updated.
This document has investigated the use of Standards Track IETF RFCs against avionics
It should be noted that the RFCs included in this document are minimum capabilities
required to ensure Air/Ground interoperability and performance of aeronautical safety
services. However, it is envisioned that these Profiles will equally satisfy the non-safety
aviation services, thereby reducing overall implementation and operational costs of
Glossary of Terms
Access network: A network that is characterized by a specific access technology.
Administrative domain: An administrative entity in the ATN/IPS. An administrative
domain can be an individual State, a group of States, an aeronautical industry organization
(e.g. an air-ground service provider), or an air navigation service provider (ANSP) that
manages ATN/IPS network resources and services. From a routing perspective, an
administrative domain includes one or more autonomous systems.
ATN/IPS internetwork: The ATN/IPS internetwork consists of IPS nodes and networks
operating in a multinational environment.
Autonomous system: A connected group of one or more IP prefixes, run by one or more
network operators, which has a single, clearly defined routing policy.
Global mobility: Global mobility is mobility across access networks.
Handover control: The handover control (HC) function is used to provide the “session
continuity” for the “on-going” session of the mobile node.
Host: A host is a node that is not a router. A host is a computer connected to the ATN/IPS
that provides end users with services.
Host-based mobility management: A mobility management (MM) scheme in which MM
signalling is performed by the mobile node.
Inter-domain routing (exterior routing protocol): Protocols for exchanging routing
information between autonomous systems. In some cases, they may be used between
routers within an autonomous system, but they primarily deal with exchanging information
between autonomous systems.
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