aviation networking

7/28/2019 Aviation Networking

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Computer Networks & Software I nc.

7405 Alban Station Court, Suite B215, Springfield, Virginia 22150-2318 (703) 644-2103

www.CNSw.com

Accelerating CNS

Aviation Applications Using IPv6

Chris Wargo

ATN 2004 Conference


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Accelerating CNS

Computer Networks & Software, Inc 2

Agenda

? Content Roadmap & Background

? CPDLC over IP

? AEEC Part 8 - IP Transitions

? IPv6 QoS

? VSATS & AI-CIE

? Challenges

Many of the technical activities presented in this paper were supported under contract to the NASA Glenn

Research Center, Cleveland, Ohio (Robert Kerczewski and Mike Zernic, NASA Program Managers)


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1999 2000 2001 2002 2003 2004 2005

Aero Appl over IP Study

CPDLC over IP (Build A) NASA Aerosapient Flight Tests

IETF IAB Wireless Workshop

SATS Project Airborne Internet (AI) Definition and Testbed

IP Studies Op Benefits, Cost & Prel Architecture

DARTS AI ship sets delivered

AI Consortium Formulation

NASA/Eurocontrol Project related to iPAX

CIE Concept added to AIC

VSATS AIU (XML/EFB)

AEEC Project 664 (& Part 8 ATN harmonization)

CIE Collaborative Information Environment

VSATS Virginia Small Aircraft Transportation

System

IAB Internet Architecture Board

AIU Aircraft Interface Unit

ICAO ACP WG N

Content Roadmap


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Challenge for the Aeronautical World

? Can TCP/IP protocols meet Aeronautical Application

Requirements?? Benefits:

Lower infrastructure cost

Potential for new services:

QoS

VoIP

Multicast

Security

Integration with existing infrastructure

? Challenges:

Modifying political agreement/ Industry Standards Addressing technical issues for:

Mobility management

Policy based routing capability, and others


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Our Conclusions Resul t from a Series of Studies

Aeronautical Applications over TCP/IP and ATN

Potential Aviation Enhancements Achievable

Through the Use of TCP/IP

ATN Transport and Network Layers Implementation Cost Analysis

TCP/IP Architecture for Aviation

Studies performed under funding from the NASA Glenn Research Center


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Elements of the Studies

? Technical comparisons of ATN and TCP/IP

? Identification of IP based services beyond the current

ICAO ATN

File Transfer

Voice over IP Web-Casting

Multicasting

Streaming Media

Quality of Service

Security

Network Management


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Elements of the Studies (Cont d)

? Wireless industry developments

? Related industry programs and standards

? Operational analysis of future use of IP based services

Context: Requirements as projected in Free Flight DAG-

TM (Distributed Air Ground Traffic Management) Analysis of a number of aviation processes and events

Identification of the use for IP based services in future

aviation processes

? Cost Comparison of approaches using ATN or TCP/IP

approaches


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Technical Conclusions

?

Air-Ground Architecture: ATN and TCP/IP arefunctionally equivalent.

? Ground-Ground Architecture: ATN uses a more

complex, full protocol stack; TCP/IP uses the same

protocol stack as the Air-Ground architecture.

? Mobility Support: ATN provides limited mobilitysupport, whereas TCP/IP provides full mobility

support including mobility within mobility.

? Security: ATN presently uses Security Labels, which

have limited capability; future security will be based on

public key infrastructure (PKI). TCP/IP is IPSec-based, which provides more capability; PKI available

now.


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Technical Conclusions (cont d)

? Quality of Service: ATN provides limited service;

TCP/IP provides flows, RSVP, DiffServ, and real-time

protocols.

? Multicasting: ATN does not support; TCP/IP does

support.

? Network Layer (Packet) Header: ATN requires moreprocessing; TCP/IP uses streamlined header enabling

more efficient processing.

? Network Management: ATN features CMIS/CMIP,

which are more complex and limited in

implementation. TCP/IP uses SNMP, which is simple,widely tested and available


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?

Flight Deck

Business ATM I ntegrated F light Deck

A/C

C/N/S

Cust entertainment,

service, business

Pilot C/N/S,

schedule, admin

F/A ops,

service, admin

? Passengers...

? Flight Attendants...? Pilots...

Entire Aircraft !


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I ntegrating Appli cation Communication Requirements

? Each Constituent has Multiple Internal and External Direct

Connections with the Others, and the World - creating the aircommerce web.

THEAIRPLANE

THE ATM

SYSTEM

THE

AIRLINE*


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I P Enabled AOC/AAC Functions

Fl ight

Dispatch

Freight & Mail

Management

Gate Controllers

Aircraft Routing

Meteorology

Hub / Station

Operations

Crew

Scheduling

Maintenance

CustomerService

Marketing

Sales

Reservations


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A Diversion

? Multiple Specific Processes Can be Enhanced

? Diversions - Common Scenario that Touches Many

Processes

? Studied three views:

Ideal Current Process

Actual Current Process

Future IP-Enabled Process


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Typical Actual Cur rent Diversion Process

? Aircraft 429, holding instructions -- advise when ready to

copy


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Future I P-Enabled Diversion Process

? Brings together a network rich in opportunities for

integration

Airline

ATM System

Airplane

? ATM - Airline Collaboration

? Airline - Airline Collaboration

? ATM final tweaking

Defines and transmits Plan Aircraft receives notification of plan


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Future I P-Enabled Diversion Process -- 2

? Aircraft (not just pilot) notification -- expect to: Be cleared directly in with little or no delay

Be cleared to hold, but expect to get in

Divert immediately to a given alternate

? Customer issues being worked

Passengers headed there for final destination

Re-booking

Alternate transportation

Hotels, etc.

?

Planned recovery Aircraft support systems

Crew scheduling


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Fl ight

Deck

Diversion

Etc.

Etc.

Etc.

Etc. Etc.

Etc.

Etc.

Etc.

Weather

Airspace

Traffic

Maintenance

Environment

Passengers

HazardsAOC/FD

Station

Ground

Tower

ATM

SystemCollaborations

Law

Enforcement

Crisis

Management

SafetySystemsAPC

Items

Medical

Other

I P-enabled Process I ntegration


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Application Benefits from Future Services

FUTURE SERVICES

AVIATION APPLICATIONS THAT CAN BENEFIT

REPORT

REFERENCE

FTP

VoIP

Web-Casting

Multicasting

Streaming

Media

Security

QoS

NetworkMgmt

Weather Diversions 4.3.1 X X X X X X X

Passenger Accommodation Due to Schedule Disruption 4.3.2 X X X X

Weather Graphics 2.4.1.2 X X X

Database Updates 2.4.1.2 X X X

Maintenance Procedures and Information 2.4.1.2, 4.3.4 X X X

Airport Information 2.4.1.2 X X X

Digital Voice as Replacement for Analog Voice F.2.5 X X X

Digital Voice fed into Flight Dispatch Status Displays F.2.5 X X X

ATC Digital Voice Copied to Flight Dispatchers F.2.5, 4.3.5 X X X

Routine Transmissions 2.4.3.2 X X X

Pre-Flight Briefings 2.4.3.2, 4.3.6 X X X


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Selected FD-Centr ic, I P-enabled Applications

Technology AppliedApplication Comments

FTP

StreamingMedia

Web-Cast

Multicast

VoIP

Addressed/E-m

ail

QoS

Security

DataBase

FD HAZARD INFORMATION

WEATHER STATUS

- ATIS, etc. Currently available text products X X x

- Graphical Weather

Strategic and tactical flight conditions,enroute winds, RVR, ceiling,winds/crosswindsthe entire AWIN

gamut

X X X X

- PIREP and E-PIREPtransmission/reception Completely or semi-automated

X X X X X X x X

- Ownship radar picture sharingWith dispatch, ATSP, other nearbyaircraft. Es pecially useful in holdingsituations.

X X X X X

AIRS PACE STATUS

- NOTAMS, etc. Currently available text products X X X X

- Strategic Graphical DepictionsDynamic hot/cold MOAs. Warning

Areas, ADIZ , Restr icte d Areas,Airways , LLTRs, etc .

X X X X

- Tactical Graphical Depictions

Active runways, ac tive a rrival &departure routings, ac tive holdingpatterns, active taxi routing, gateassignments, etc.

X X X X X

- Graphical and AlphanumericLegal Conditions

Runway conditions, taxiwayconditions, de-icing requirements, etc.

X X X X X X X


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Selected FD-Centr ic, I P-enabled Applications

Technology AppliedApplication Comments

FTP

StreamingMedia

Web-Cast

Multicast

VoIP

Addressed/E-mail

QoS

Security

DataBase

FD COLLABORATION WITH:

AOC / INTRA FD

- Re-routing Planning, filing, notifi cation,acceptance, execution.

X X X X X X

- Flight planning next flight Planning, filing, notifi cation,acceptance.

X X X X X X

- Crew Resource Issues Duty Days, Reassignments, Hotellocations, ground transportation, etc.

X X X X

- Cabin management issues

In flight video/pictures and appropriate

telemetry shared for medicalemergencies, disruptive passengers,etc.

X X X X X X

- Holding Selecting allowable time, location, etc. X X X X X

- Alternate Station

The need to declare or release an

alternate for FAR legality. Whichone(s) to use, fuel required, etc.

X X X X X X

- Diversion StationLocation, capability to handle,limitations, expected departure time,

etc.

X X X X X X


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Potential Savings TCP/I P over ATN

Organization TP4/CLNP TCP/IPv6 Difference

Airlines

AircraftES & IS Software 30,010,800 2,500,900 27,509,900

Airline Operations Control

Air/Ground Router 3,937,500 26,250 3,911,250Ground/Ground Router 3,937,500 26,250 3,911,250

Host (ES) 1,531,250 61,250 1,470,000

Subtotal 39,417,050 2,614,650 36,802,400

Business AircraftES & IS Software 37,634,295 3,136,191 34,498,104

General Aviation AircraftES & IS Software 48,459,000 4,038,250 44,420,750

FAA

Air/Ground Router 63,375,000 422,500 62,952,500Ground/Ground Router 63,450,000 423,000 63,027,000

NAS Router

2,812,500

405,000 2,407,500

Host (ES) 24,200,000 734,000 23,466,000

Subtotal

153,837,500

1,984,500 151,853,000

Military

Aircraft

ES & IS Software 13,812,000 1,151,000 12,661,000Air/Ground Router

26,812,500

178,750 26,633,750

Host (ES)5,125,000

205,000 4,920,000

Subtotal 45,749,500 1,534,750 44,214,750

Communication Service ProviderAir/Ground Router 63,450,000 423,000 63,027,000

Total 388,547,345 13,731,341 374,816,004


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NASA GRC System Testbed Configuration

Ground

Controller

Display

CMU(ATN

compliant)

CMU(ATN

compliant)

NASA Experimental

CPDLC Ground

System

MCDU

NASA

NASA DC-8Experimental

Aircraft

VHF

Datalink

Testbed Protocol Stack

LAN

Telemetry

Admin

Physical

MAC

COTP TCP

FastByte COSP

FastByte COPP

Application Service Element (ASE)

Controller Pilot

Data Link

Communications(CPDLC)

Context

Management(CM)

Transport Switch TransceiversDisplay

MCDU

CLNP IP

CMU

Association Control Service Element

Dialogue Service


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* Part 8 AEEC 664 On Board ATN Harmonization

? Committee work involved the development of a

approximately 12 different reference models of

connectivity

? These were discussed and evaluated

? Working consensus developed on depiction of

transition model and approach

? Work should be considered as input to the ICAO ACP

WG N current survey of interest

Part 8, AEEC 664 Working Paper Interoperation with non-IP Protocols and Services


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Applications and Sockets Application Program Interface

ping traceroute app app app app pingtraceroute

UDP

datalink

ARP,RARP

IPv4 IPv6 ICMPv6ICMP 32 bitaddress

128 bitaddress

API

TCP

IPv6 applicationsIPv4 applications

ping traceroute app app app app pingtraceroute

UDP

datalink

ARP,RARP

IPv4 IPv6 ICMPv6ICMP 32 bitaddress

128 bitaddress

API

TCP

IPv6 applicationsIPv4 applications


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Part 8 AEEC 664 On Board Harmonization

ASE

Fast Byte COPP

and COSP

DS

ACSECF

TCP

IP

Application

ASE

DS

ACSE

TCP

IP

Transport Service

Convergence

Function

TP4 Services

TCP Services

ASE

Fast Byte COPP

and COSP

DS

ACSECF

TCP

IP

Application

ASE

DS

ACSE

TCP

IP

Transport Service

Convergence

Function

TP4 Services

TCP Services

ASE

Fast ByteCOPP

COSP

DS

ACSECF

TCP

IP

Application

ASE

DS

TCP

IP

Transport Service

Convergence

Function

DS Services

TCP Services

ASE

Fast ByteCOPP

COSP

DS

ACSECF

TCP

IP

Application

ASE

DS

TCP

IP

Transport Service

Convergence

Function

DS Services

TCP Services

at Dialog Service Interfaceat Transport Service Interface


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Accelerating CNS


ASE

Fast Byte COPP

and COSP

DS

ACSECF

TCP

IP

FIS

User

ASE

Fast Byte COPP

and COSP

DS

ACSE

CF

TP4

CLNP

FMC Ground

TCP

IP

TP4

CLNP

CMU

TP4

End Point

TCP

End Point

TCP TP4 Transform

(Transport Gateway)

AirSubnetwork

Air/GroundSubnetwork

Wireless Links

XPORT

CM

UserADSUser CM

User

ADS

UserCPDLC

User

CPDLC

UserFIS

User

ASE

Fast Byte COPP

and COSP

DS

ACSECF

TCP

IP

FIS

User

ASE

Fast Byte COPP

and COSP

DS

ACSE

CF

TP4

CLNP

FMC Ground

TCP

IP

TP4

CLNP

CMU

TP4

End Point

TCP

End Point

TCP

End Point

TCP TP4 Transform

(Transport Gateway)

AirSubnetwork

Air/GroundSubnetwork

Wireless Links

XPORT

CM

UserADSUser CM

User

ADS

UserCPDLC

User

CPDLC

UserFIS

User

Transpor t Layer Gateway - Distr ibuted ATS Architecture


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Objectives - NASA/Eurocontrol Cooperation

? Leverage mutual IPv6 activities for aviation NASA GRCs R & D in Aeronautical Telecommunications

Network (ATN) over IP and work in Mobile IP

Eurocontrols Internet Protocol for Aviation Exchange (iPAX)

Project

? Foster IPv6 research and development activities to support

International Civil Aviation Organization (ICAO) standardization

activities

? Understand transition issues and technical approach for

addressing and interoperability between ISO and IP networks

? Demonstrate ATN related services over IPv6: e.g., Controller to

Pilot Data Link Communications (CPDLC)? Publish technical papers in international proceedings defining the

use of IPv6 in aviation


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Why IPv6 ?

? High Scalability

128-bit addresses allows 3.4 x 10 ^ 38 addresses

? Improved support for QoS, mobility

?

Built in IP Security? Fixed Length Header

? Internet Protocol for the future

In US, DoD plans to move to an all IPv6 network by 2008

In Europe, iPAX has investigated the ways to move from

X.25 networks to IPv6 based networks


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I Pv6 Testbed (NASA/Eurocontrol)

NASA

2000:0:340:BB00::/64

Eurocontrol

2000:0:340:2200::/64

CNS

2000:0:340:AA00::/64

IPv4Internet

IPv6 over IPv4

tunnels

Aircraft

2001:0:340:BB00::3

Aircraft

2001:0:340:BB00::15

Controller

2000:0:340:AA00::1004


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NASA Eurocontrol I Pv6 Test I nfrastructure

NASA

GRC

CNS AS 1

2001:0:340:2200::/64

IPv6-in-IPv4

Tunnels

2001:0:340:AA01::/64

CNS AS 2

CNS AS 3

EUROCONTROL2001:0:340:BB00::/64

2001:0:340:AA02::/64

2001:0:340:AA03::/64

Controller

Aircraft 3

FASTE Server

NetmonServer

Mobile Node

Host Agent

T1 Backbone

Core Router Network

Running BGP

Maximus Theodore

Goliath

Odysseus

Eris

Demeter

Hades

Netmon Agent

IPv4Network

NAT-PT

Marcus

50+ entities


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? We ported our Baseline I CPDLC from the ATN

domain system to support IPv6

? Consists of two applications Human-Interactive Aircraft (HIA)

Human-Interactive Controller (HIC)

? Network connectivity between HIA and HIC

applications was tested including wireless components.

CPDLC


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CPDLC Application Features

Human Interactive Aircraft

? GUI emulating a MCDU

? Builds and transmits CM and CPDLC messages

? Decodes and displays received CM and CPDLC massages

? Presents a range of appropriate response to choose

Human interactive Controller

? GUI that emulates a generic ATC

workstation (CM & CPDLC)

? Transmits and decodes CM and CPDLCmessages


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I Pv6 Quality of Service (QoS)

Two main QoS mechanisms

IntServ

Makes use of the Flow Label field QoS per connection

Poor Scalability

DiffServ

Makes use of the Traffic Class field

QoS by packet type/tag

Excellent Scaling properties

4-Bit

Version 8-BitTraffic Class

20-Bit

Flow Label


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I Pv6 Di f fServ

? Classifies packets into behavior aggregates

? First six bits of the Traffic Class field, know as DiffServ

Code Point (DSCP), map to a unique Per Hop Behavior

(PHB).

? Following PHBs have been standardized by IETF

Expedite Forwarding (EF) Low loss, Low delay, Low jitter, Assured bandwidth

Appears as a virtual leased line.

Assured Forwarding (AF)

Traffic with the subscribed rate is served with high level of assurance

Four AF classes are defined (AF1, AF2, AF3 and AF4)

Each class supports three drop precedence ( AFx1, AFx2,AFx3, AFx4)

Best Effort (BE)

Does not guarantee any bandwidth


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QoS for Aviation

? Air Traffic Services require different QoS features

Bandwidth

End-to-end delay

?

Proper resources distribution is required? We implement a framework for providing QoS for

three different aviation applications

CPDLC

Surveillance

User Data


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Results Scenario 3

0 10 20 30 40 50 60 70 80 90 100 1100 120 130 140 1500

0.1

0.2

0.3

0.4

0.5

Time (sec)

NormalizedThroughput

P1

P2

P3

Normalized Input Traffic

P1: 0.2

P2: 0.3

P3: 0.4

P1: 0.3

P2: 0.3

P3: 0.4

P1: 0.2

P2: 0.3

P3: 0.4

0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 1500

10

20

30

40

50

60

70

80

Time (sec)

QueueSize(packets)

P3

P2P1

Packets Dropped

P1: 0%

P2: 0%

P3: 0%

Packets Dropped

P1: 0%

P2: 0%

P3: 13%

Packets Dropped

P1: 0%

P2: 0%

P3: 0%

?Congestion due to increase in CPDLC traffic results in EF

class borrowing bandwidth from BE class.?Performance degrades for BE traffic class (13% packet loss)

while there is no affect on EF and AF1 traffic classes.

Queue Size Vs TimeNormalized Throughput Vs Time


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SATS AI Project Summary

? FAA Technical Contact: Ralph Yost? NASA GRC Project: Mike Zernic and Jim Griner? Project:

Develop the requirement, architecture, and system leveldesign baselines,

and establish the evaluation testbed for the Airborne

Internet.? AI Objective:

Consolidate and integrate the exchange of CNS data. Minimize the number of radios and antennas on an

aircraft. Goal is to provide common access means for allwireless aircraft applications.

? Project Team - Recipients of NASA AerospaceEnterprise, Turning Goals into Reality Award for 2003


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SATS: Ai rborne I nternet

Airborne Internet

? Provide a comm architecture that delivers aviation

information services in an Internet-like manner

where aircraft and ground facilities will be

interconnected nodes on a high-speed digital comm

network.

? 2022 AI Fundamental Characteristics:

Aviation Information System Integrated CNS - Worldwide compatibility

Seamless connectivity

High user and system capacity

Small Aircraft Transportation System

SATS develops and integrates emerging vehicle andinfrastructure technologies, and, enables access to the

vastly under-utilized infrastructure of smaller non-hubairports and airspace. More efficient access to

congested hubs will create unimagined transportation

speed for more people to reach more destinations.


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Gener ic SATS AI Model

Airborne Internet

Infrastructure

ModeS

UAT

SATCOM

VDL

A/CLAN

(ARINC664)

WL-LAN

802.11/16

Applications

Subnetworks

Layered

Protocol

Services

Data Transport Services

Broadcast, Multicast, Unicast

Mobility

NetworkManagement

S

ecurity

QualityofService

All the similarities to the ATN design challenge of the 1980s


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AI Test Bed with M ode SATS

Aircraft N382

AI

Router

ModeSATS Radio

P-P/CPDLC

ADS-B,Chat, NOTAMS, Weather

N382

Aircraft N384 Ground Facility

Remote

e-mail

Servers

Remote

Equipment

Monitoring

ModeSATS Radio

P-P/CPDLC

N384

AI

Router

ADS-B,Chat, NOTAMS, Weather

Mode

SATS Radio

P-PPAE

Ground

Station

CPDLCAI

Router

ADS-B

Aircraft N372,374 & 376

Web Enabled

Status Monitor

NetworkControlCenter,

Bethesda,MD

DNS

Firewall

E-mail,

PAE

ADS-B,

Chat,Weather

ModeSATS

Network Internet


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Airborne I nternet Testbed A Summary

? VDL Mode SATS point-to-point and

broadcast communication capability: Air-to-air, self organizing, peer-to-peer

communication

Functionality/interoperability

? Demonstrated all-in-one AIconnectivity.

? Internet connectivity.

? Integrated hardware/softwarecomponents from many suppliers.

? Successfully implemented and tested thesoftware based router for SATS AI.

? Demo applications

Integrated Components

Mode SATS VHF Radio

EFR 300 Ground Station

VDL Mode Subnet Emulation usingRF Attenuator

ADS-B Position Reporting System

FIS-B Graphical Weather Products

ATN CPDLC

Pilot/Aircraft Information Exchange

Netscape

E-mail Application

Web-enabled Remote EquipmentStatus Monitor

Aircraft Mobility Based on DNS

Peer to Peer tool

Intel-based Workstations and SunWorkstations (Ultra 10)

Configuration and integration work represented a one of

a kind rapid prototype of the airborne internet.


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OLD DOMINION UNIVERSITYHampton, Virginia

www.odu.edu

AVERETT UNIVERSITYDanville, Virginiawww.averett.edu

VIRGINIA TECH UNIVERSITYBlacksburg, Virginia

www.vt.edu

OHIO UNIVERSITYAthena, Ohio

www.ohio.edu

ATHENA TECHNOLOGIESWarrenton, Virginiawww.athenati.com

VIRGINIA DEPARTMENT OF AVIATIONRichmond, Virginia

www.doav.virginia.gov

COMPUTER NETWORKS & SOFTWARESpringfield, Virginia

www.cnsw.com

OP TECHNOLOGIESBeaverton, Oregon

www.optechnologies.com

PROJECT MANAGEMENT ENTERPRISES, INC.Bethesda, Maryland

www.pmei.com

RANNOCH CORPORATIONAlexandria, Virginiawww.rannoch.com

MULKERIN ASSOCIATESSpringfield, Virginiawww.mulkerin.com StrategicAeronautics

STRATEGIC AERONAUTICSLouisville, Kentucky

www.strategic.aero

METRON AVIATIONMcLean, Virginia

www.metronaviation.com

Virginia - SATSLab


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VIRGINIA T ECH UNIVERSIT Y MET RON AVIATION

VIRGINIA DEPARTMENT OF AVIATION AVERETT UNIVERSITY

StrategicAeronautics

STRATEGIC AERONAUTICSPM

HVO

LLM

SPP

TSAA

RANNOCH CORPORATION PROJECT MANAGEMENT ENTERPRISES, INC. OHIO UNIVERSITY MULKERIN ASSOCIATES

ATHENATECHNOLOGIES

OLD DOMINION UNIVERSITY OHIO UNIVERSITY MULKERIN ASSOCIATESOP TECHNOLOGIES

COMPUTER NETWORKS & SOFTWARE

StrategicAeronautics

STRATEGIC AERONAUTICS OHIO UNIVERSITY MULKERIN ASSOCIATES

VSATS Member Task Actvities

PM Project Management

HVO High Volume OperationsLLO Lower Landing Minimums

SSP Single-Pilot Performance

TSAA Transportation Systems Analysis &

Assessment


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VSATS Concept Using XML

AIU XML Time to Approach Msg

EFBEFB

EFB: Courtesy of: Strategic

Aeronautics

VSATS Cockpit

AIU Avionics Interface Unit


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Accelerating CNS


VSATS Simulator

CD&A

Router

Flight

SimulatorAIU

Server

Router

VDL Radio

Console

MultiT-Pad800

PC

EFB

PC

EFB

EFIS

MFDPFD MFDPFD

LAN


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Avionics I nter face Unit Approach

? Developed an Avionic Interface Unit (AIU) provides

the means for avionics using non-compatible interfacestandards to share data.

Interfaces with the systems in the aircraft using standard

and legacy interfaces to share data

Forwards ADS-B, TIS-B, Ownship information, AMM

messages and Intent messages

Supports Weather information

Supports Location awareness capability

? Provides aircraft database of all transaction

? Supports query of data

? Monitor functioning of avionics


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AI U I nter faces

AIU

Comm

Nav

Surv

Weather

VDL Radio

GuideStar

UAT

UAT

XML

CD&A

Other avionics

or Display (EFB)

Nav func


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Future Di rections

? Airborne Internet Consortium

Foster the AI Concept IP Based Infrastructure for

aviation

Foster the work on a Collaborative Information

Environment (AI/CIE) the future information

environment using XML Web Services

Traditional methods:

Publish and Subscribe

Push versus Pull

Client / Server

Discovery

on

Demand


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Accelerating CNS


CIE Vision

FAANationa

lWx

Service

Embrace and ExtendEmbrace and Extend

X M L

Data

Mover

UDDI, SOAP, WSDL

Transform, transmit

X M L

Data

Mover

UDDI, SOAP, WSDL

Transform, transmit

Discovery, OLAP,

WebParts,

XML

Web Servicesporta

lsHeadsUp

Display

Secure wireless

reach clientrich client

familiar tools

Discovery, OLAP,

WebParts,

XML

Web Servicesporta

lsHeadsUp

Display

Secure wireless

reach clientrich client

familiar tools

Secure

Flight

DataFAA Flight ServiceFBO

HotelsRental Car Trusted-Table Security

DAC Views

Pilot/Info ConsumePilot/Info Consumer

Existing Legacy - databases and applications

Oracle Sybase

Existing Legacy - databases and applications

Oracle Sybase

Source: Randy.Schmidt, Northup Grumman Mar 04 AIC Meeting


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XML Web Services

? Enable disparate systems to work together:

Across languages, platforms, applications

Computer to computer

Inside/outside the firewall

? Based on open Internet standards:

XML, SOAP, WSDL, and UDDI

? Broad industry support

Key area of vendor alignment

Industry standards for interoperabilityIndustry standards for interoperability



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XML Web Services

Browsethe Web

Programthe Internet

Techno

logy

XMLWebServices

XML

Database

connectivity

HTML

Webpages

Presentation

Legacy scrapeEmail,FTP,etc.

TCP/IP

Innovation

CIECIECIEConnectivity


Next wave of I nternet evolution


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Collaborative I nformation Environment

XML Web Services

DISCOVERY ON DEMANDDISCOVERY ON DEMAND

XML Web Services CIECIE

CloudCloud

XMLWebServices

Satcom

ATC Controller

GPS

Navigation

Airport

Services

TIS

FIS

Hospitality Maint.

Internet

Weather Products

NOTAMs Flight Service Stations

Other

Gateway

Original graphic Computer Networks & Software, Inc. Updates by Randy.Schmidt, Northup Grumman Mar 04 AIC Meeting

VHF RadioVHF Radio

VHF Radio

Line of

sight

NAS Services ATM System

HUB Airports

TIS-B

Non-CIE

Aircraft DATABA

SE

CONNECTIVITY

XM

RFID

AM/FM

802.xx

Airborne InternetAirborne Internet

VPN


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AI /CIE Removes Existing Aviation I nformation Barr iers

Graphic courtesy of C3D Aero, Inc.

Original graphic courtesy of C3D Aero, Inc.


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Discovery on Demand MFD

AI _CIE provides decision quali ty information for cockpit displays

Original graphic courtesy of C3D Aero, Inc.

Icing Alert

Traffic Alert

Airspace

notification


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Summary & Challenges

? Industry Consensus IP and flight critical data

Mobility Requirements what is needed?

Lead to Application Integration Opportunities

? Avionic Architectures the IP-enabled aircraft has

definition in AEEC 628, AEEC 763, AEEC 664 andother standards. Part 5 AEEC 664 is bringing this

together?

? Airborne Internet Consortium Work Plan and

Participation


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Contact I nformation

Computer Networks & Software, Inc.

7405 Alban Station Ct.

Suite B-215

Springfield, VA 22150-2318

1.703.644.2103

http://www.CNSw.com

Chris Wargo

1.443.994.6137 (cell)

[email protected]


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Acronym List

ADS-B Automatic Dependent Surveillance-Broadcast

ACARS Aircraft Communications Addressing and Reporting System

ACP Aeronautical Communication Panel

ACSE Association Control Service ElementADLS Aeronautical Data Link System

AIC Airborne Internet Consortium

AIU Avionics Interface Unit

AMM Airport Management Module

AMSS Aeronautical Mobile-Satellite Service

AOC Airline Operation Communications

ASE Application Service Element

ATN Aeronautical Telecommunication Network

ATM Air Traffic Management

CD&A Conflict Detection & AvoidanceCF Control Function

CIE Collaborative Information Environment

CM Context Management

CMIP Common Management Information Protocol

CNS Communications, Navigation and Surveillance

COPP Connection Oriented Presentation Protocol

COSP Connection Oriented Session Protocol

CPDLC Controller-Pilot Data Link Communications

DARTS Digital Applications Research & Test System

DS Dialogue ServiceEFB Electronic Flight Bag

FANS Future Air Navigation System

FBO Fixed Base Operator

FIS Flight Information Services

GRC Clenn Research Center (NASA)


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Acronym List -2

FTP File Transfer Protocol

ICAO International Civil Aviation Organization

IDRP Inter Domain Routing ProtocoliPAX Internet Protocol for Aviation eXchange (Eurocontrol)

IP Internet Protocol

MFD Multi-function Display

MCDU Multi-purpose Communication Display Unit

NASA National Aeronautics and Space Administration

NOTAMS Notice to Airman System

QoS Quality of Service

PFD Primary Flight Display

RFID Radio Frequency Identification

RSVP Resource Reservation ProtocolSATS Small Aircraft Transportation System (NASA)

SOAP Simple Object Access Protocol

SNMP Simple Network Protocol

TCP Transmission Control Protocol

TIS Traffic Information Services

UAT Universal Access Terminal

UDDI Universal Description, Discovery, and Integration

VHF Very High Fregquency

VDL VHF Digital Link

VoIP Voice over IPVPN Virtual Private Network

VSATS Virginia SATS

WSDL Web Services Description Language

XML eXtensible Mark-up Language

aviation networking

Documents