Ground Based LISP For Multilink Operation
2016-01-22
A SESAR 15.2.4 Solution
ICAO WG-I Meeting 19
FRQ
© FREQUENTIS 2015 Presentation Date: 2016-01-21Author: FRQ
Page: 2ESA_ICAO_ATN_IPS_TN1_V03.pptx
Agenda
Introduction
Base Procedures
Multilink Seamless Operation
Seamless Handover Access Network
Summary
© FREQUENTIS 2015 Presentation Date: 2016-01-21Author: FRQ
Page: 3ESA_ICAO_ATN_IPS_TN1_V03.pptx
Introduction : the motivations A concept that addresses key ATN/IPS requirements
- Covers mobility and multi-homing- Minimizes the overhead traffic on the A/G datalinks- Supports Classes of Services
Reduces the complexity in the aircraft :- Airborne router can assume that any ground system is reachable via every A/G router => default/static routing
can be used on board- Routing/mobility can be managed on ground- No need for a routing/mobility protocol on board- Link selection can be supported on board with simple static policy (however dynamic policy can be added)
Reduce complexity of deployment on ground:- Can be easily deployed over existing ground infrastructure- Can be based on COTS solutions- Can ease IPv4 to IPV6 transition issues
Simple to understand - close to ATN/OSI addressing concepts , which will certainly helptransition / duality of the ATN applications
© FREQUENTIS 2015 Presentation Date: 2016-01-21Author: FRQ
Page: 4ESA_ICAO_ATN_IPS_TN1_V03.pptx
High Level System Architecture FCI
© FREQUENTIS 2015 Presentation Date: 2016-01-21Author: FRQ
Page: 5ESA_ICAO_ATN_IPS_TN1_V03.pptx
Overview Elements and Functions
X / 64
Airplane IPv6 ICAO Net X
LDACSReg1 fqU-fqD
LDACS L2-ID XDefGW XA-R
LISP xTR11
LDACS SNTerrestrial Region 1
Internetworking Region
LISP MS/MR1
LISP xTR12
LISP MS/MR2
SATCOM SNTerrestrial Region 2
LISP xTR21
LISP xTR22
AOC - ATSRegion X
LISP xTRx1
LISP xTRx2
AOC ES
ATS ES
G/G-R
SEC Region 1
SEC Region 2
SATReg2 fqU-fqD
IP/LDACS GW
Static RoutingPath Decision Outgoing
Announcing Path Preference Incoming
Full IGP RoutingICAO Net AnnouncingMetric based on Link Qualityand Path Preference Incoming
ICAO Net Registeringas normal (not roaming) EID
(LISP Priority for PathPreference Incoming, EEM for
Mapping Metric -> Priority)LISP Tunneling xTR
Security:Authentication of AR, Proof of Region Identity(Key material for Data Integrity/Privacy)
LISPMapping Server
Mapping ResolverLISP
EID Space
LISPEID Space
LISPEID Space
LISPRLOC Space
SAT L2-ID Z
IGP OSPF
Airplane IPv6 ICAO Net Z
COTS IP RouterWAN Infrastructure
LISP xTR21 and xTr22announce Default Routes into region 2
to attract traffic destined toforeign IPv6 Nets (other regions)
AC-R
L2
L3
L2
L3 A/G-R
AC-R A/G-R
IGP SP
L2
IP/SATCOM GW
A-R … Airborne Router
AC-R … Access Ground Router
A/G-R … Air/Ground Router
G/G-R … Ground/Ground Router
© FREQUENTIS 2015 Presentation Date: 2016-01-21Author: FRQ
Page: 6ESA_ICAO_ATN_IPS_TN1_V03.pptx
Elements A-R and AC-R
A-R
AC-R (Access Ground Router)
L2 L2
LDACSReg1 fqU-fqD
L2-ID X
A-R (Airborne Router)
SATCOMReg2 fqU-fqD
AreoMACSReg3 fqU-fqD
LDACS SNTerrestrial Region 1
SATCOM SNTerrestrial Region 2
AreoMACS SNTerrestrial Region 3
A / C LAN
AC-R
AC-R
AC-R
© FREQUENTIS 2015 Presentation Date: 2016-01-21Author: FRQ
Page: 7ESA_ICAO_ATN_IPS_TN1_V03.pptx
Multilink, Handover Scenario
X / 64
Airplane IPv6 ICAO Net X
Y / 128
Airplane IPv6 ICAO Net Y
LDACS L2-ID XDefGW XA-R
A-R
LISP xTR11
LDACS SNTerrestrial Region 1
Internetworking Region
LISP MS/MR1
LISP xTR12
LISP MS/MR2
LISP xTR21
LISP xTR22
LISP xTRx1
LISP xTRx2
AOC ES
ATS ESSEC Region 2
Airplane IPv6 ICAO Net Z
LISPEID Space
LISPEID Space
LISPEID Space
LISPRLOC SpaceIGP OSPF
SATCOM SNTerrestrial Region 2
AOC - ATSRegion X
SEC Region 1
LDACS L2-ID Y
SAT L2-ID Z
SAT L2-ID Y LDACS L2-ID Z
Multilink
Handover
Multilink
G/G-R
AC-R
A/G-R
AC-R A/G-R
© FREQUENTIS 2015 Presentation Date: 2016-01-21Author: FRQ
Page: 8ESA_ICAO_ATN_IPS_TN1_V03.pptx
Agenda
Introduction Base Procedures Multilink Seamless Operation Seamless Handover Access Network Summary
© FREQUENTIS 2015 Presentation Date: 2016-01-21Author: FRQ
Page: 9ESA_ICAO_ATN_IPS_TN1_V03.pptx
Registration Phase (Security)
X / 64
Airplane IPv6 ICAO Net X
LDACS SNReg1
LDACS L2-ID XDefGW XA-R
Internetworking Region
AOC - ATSRegion X
AOC ES
ATS ES
SATCOM SNReg2
Hello ICAO X, CR X, fqD r1, L2-X
t1
t2
t3
Proof LDACS Region 1, Int-Key X, fqU r1 L2-X
t4
t5
LISP xTR11
LISP MS/MR1
LISP xTR12
LISP MS/MR2
LISP xTR21
LISP xTR22
LISP xTRx1
LISP xTRx2
SEC Region 1
SEC Region 2
EID LDACS L2-ID SEC
X / 64 X Int-Key X
LDACS Table Terrestrial
G/G-R
AC-R
A/G-R
AC-R128 bit L3 IPv6 address airplane:Net-ID: 32 bit Prefix / 24 bit ICAO ID / 8 bit Airplane NetworkHost-ID: 64 bit
LDACS / SATCOM / AeroMACS Layer2-Identifier (L2-ID):Mapping of Net-ID or 24 bit ICAO-ID into L2 address of LDACS / SATCOM / AeroMACS
Suggestion for L3 and L2 addresses
Assumption about transport security radio link:After successful registration a secure communication over air is possible (integrityand optionally privacy)
© FREQUENTIS 2015 Presentation Date: 2016-01-21Author: FRQ
Page: 10ESA_ICAO_ATN_IPS_TN1_V03.pptx
Location Announcement (Reachability)
X / 64
Airplane IPv6 ICAO Net X
LDACS SNReg1
LDACS L2-ID XDefGW XA-R
AOC - ATSRegion X
AOC ES
ATS ES
SATCOM SNReg2
ICAO X, Pref. 1, Quality 1, fqD r1, L2-X
t5
t6
LISP xTR11
LISP MS/MR1
LISP xTR12
LISP MS/MR2
LISP xTR21
LISP xTR22
LISP xTRx1
LISP xTRx2
SEC Region 1
SEC Region 2
2001::1:1
2001::1:2
t8
7.7.1.1
7.7.1.2
EID RLOC PRIO
X / 64 7.7.1.1 11
X / 64 7.7.1.2 11
Site Registration
viaEEM xTR11
OSPF E2 -> LISP PRIO
EID Next Hop Metric
X / 64 2001::1:1 E2 11
2001::1:1 2001::1:3 44
IGP Routing Table xTR11
EID Next Hop Metric
X / 64 2001::1:1 E2 11
2001::1:1 2001::1:4 55
IGP Routing Table xTR12
2001::1:3
2001::1:4
t7
G/G-R
AC-R
A/G-R
Preference 1, Quality 1 mapped byAC-R into OSPF metric E2 11(External Summary LSA Type2)
OSPF metric E2 11 mapped byLISP A/G-R into LISP Prioritywith usage of Cisco EEM(Embedded Event Manager)
Now all internal routers of LDACS SNknow how to reach network X / 64within their domain !!!
By specifying preference andquality A-R decides on whichpath upload traffic is wanted
© FREQUENTIS 2015 Presentation Date: 2016-01-21Author: FRQ
Page: 11ESA_ICAO_ATN_IPS_TN1_V03.pptx
Traffic to Location ICAO X (1)
X / 64
Airplane IPv6 ICAO Net X
LDACS L2-ID XDefGW XA-R
AOC - ATSRegion X
AOC ES
ATS ES
LISP xTR11
LISP MS/MR1
LISP xTR12
LISP MS/MR2
LISP xTR21
LISP xTR22
LISP xTRx1
LISP xTRx2
SEC Region 1
SEC Region 2
2001::1:1
2001::1:2
7.7.1.1
7.7.1.2
IPv6 ES1 -> IPv6 Xt1
t2
t3
t4
EID RLOC
X / 64 7.7.1.1
Mapping Cache xTRx1t5
ES1
EID RLOC PRIO
X / 64 7.7.1.1 11
X / 64 7.7.1.2 11
Site Registration
LDACS SNReg1
SATCOM SNReg2
G/G-R
AC-R
A/G-R
© FREQUENTIS 2015 Presentation Date: 2016-01-21Author: FRQ
Page: 12ESA_ICAO_ATN_IPS_TN1_V03.pptx
Traffic to Location ICAO X (2)
X / 64
Airplane IPv6 ICAO Net X
LDACS L2-ID XDefGW XA-R
AOC - ATSRegion X
AOC ES
ATS ES
LISP xTR11
LISP MS/MR1
LISP xTR12
LISP MS/MR2
LISP xTR21
LISP xTR22
LISP xTRx1
LISP xTRx2
SEC Region 1
SEC Region 2
2001::1:1
2001::1:2
7.7.1.1
7.7.1.2
IPv6 ES1 -> IPv6 Xt6
7.7.X.1
t8
t10
L2-X fqU r1 IPv6 ES1 -> IPv6 X
t12
ES1
EID RLOC
X / 64 7.7.1.1
Mapping Cache xTRx1EID Next Hop Metric
X / 64 2001::1:1 E2 11
2001::1:1 2001::1:3 44
IGP Routing Table xTR11
EID LDACS L2-ID SEC
X / 64 X Int-Key X
LDACS Table Terrestrial
2001::1:3
t7
t9
t11
LDACS SNReg1
SATCOM SNReg2
G/G-R
AC-R
A/G-R
© FREQUENTIS 2015 Presentation Date: 2016-01-21Author: FRQ
Page: 13ESA_ICAO_ATN_IPS_TN1_V03.pptx
Traffic from Location ICAO X to Ground ATS ES (1)
X / 64
Airplane IPv6 ICAO Net X
LDACS L2-ID XDefGW XA-R
AOC - ATSRegion X
AOC ES
ATS ES
LISP xTR11
LISP MS/MR1
LISP xTR12
LISP MS/MR2
LISP xTR21
LISP xTR22
LISP xTRx1
LISP xTRx2
SEC Region 1
SEC Region 2
2001::1:1
2001::1:2
7.7.1.1
7.7.1.27.7.X.1
t3
fqD r1, L2-XIPv6 X -> IPv6 ES1
t1
EID Next Hop Metric
Default 1 2001::1:5 66 (xTR11)
Default 2 2001::1:6 44 (xTR12)
IGP Routing Table 2001::1:1
2001::1:5
2001::1:6
EID RLOC PRIO
ATS ES / 64 7.7.X.1 11
ATS ES / 64 7.7.X.2 11
EID RLOC
ATS ES / 64 7.7.X.1
Mapping Cache xTR12
t4
t5
t6
t7
Net-ID part of IPv6address ES1 is AOC ES !
ES1
7.7.X.2
AOC ES alreadyregistered
t2LDACS SN
Reg1
SATCOM SNReg2
G/G-R
AC-R
A/G-R
Default routes were alreadyannounced by xTR11 and XTR12
© FREQUENTIS 2015 Presentation Date: 2016-01-21Author: FRQ
Page: 14ESA_ICAO_ATN_IPS_TN1_V03.pptx
Traffic from Location ICAO X to Ground ATS ES (2)
X / 64
Airplane IPv6 ICAO Net X
LDACS SNReg1
LDACS L2-ID XDefGW XA-R
AOC - ATSRegion X
AOC ES
ATS ES
LISP xTR11
LISP MS/MR1
LISP xTR12
LISP MS/MR2
LISP xTR21
LISP xTR22
LISP xTRx1
LISP xTRx2
SEC Region 1
SEC Region 2
2001::1:1
2001::1:2
7.7.1.1
7.7.1.2
IPv6 X -> IPv6 ES1t13
7.7.X.1
t12
t10
fqD r1, L2-XIPv6 X -> IPv6 ES1
t8
ES1
EID Next Hop Metric
Default 1 2001::1:5 66 (xTR11)
Default 2 2001::1:6 44 (xTR12)
IGP Routing Table 2001::1:1
EID RLOC
ATS ES / 64 7.7.X.1
Mapping Cache xTR12SATCOM SN
Reg2
t9
t11
G/G-R
AC-R
A/G-R
© FREQUENTIS 2015 Presentation Date: 2016-01-21Author: FRQ
Page: 15ESA_ICAO_ATN_IPS_TN1_V03.pptx
Agenda
Introduction Base Procedures Multilink Seamless Operation Seamless Handover Access Network Summary
© FREQUENTIS 2015 Presentation Date: 2016-01-21Author: FRQ
Page: 16ESA_ICAO_ATN_IPS_TN1_V03.pptx
Multilink (1): Registration Phase
X / 64
Airplane IPv6 ICAO Net X
LDACS SNReg1
LDACS L2-ID XDefGW XA-R
Internetworking Region
AOC - ATSRegion X
AOC ES
ATS ES
SATCOM SNReg2
t1
t2
LISP xTR11
LISP MS/MR1
LISP xTR12
LISP MS/MR2
LISP xTR21
LISP xTR22
LISP xTRx1
LISP xTRx2
SEC Region 1
SEC Region 2
EID SATCOM L2-ID SEC
X / 64 X Int-Key X
SATCOM Table Terrestrial
Auth. OK?
Auth. OK, Int-Key X
Push ICAO X, L2-ID X, Int-Key X
t3
t5t4
EID RLOC PRIO
X / 64 7.7.1.1 11
X / 64 7.7.1.2 11
Site Registration
SATCOM L2-ID X
G/G-R
AC-R
A/G-R
A/G-R
AC-R
© FREQUENTIS 2015 Presentation Date: 2016-01-21Author: FRQ
Page: 17ESA_ICAO_ATN_IPS_TN1_V03.pptx
Multilink (2): Location Announcement
X / 64
Airplane IPv6 ICAO Net X
LDACS SNReg1
LDACS L2-ID XDefGW XA-R
AOC - ATSRegion X
AOC ES
ATS ES
t6
LISP xTR11
LISP MS/MR1
LISP MS/MR2
LISP xTR21
LISP xTR22
LISP xTRx1
LISP xTRx2
SEC Region 1
SEC Region 2
EID RLOC PRIO
X / 64 7.1.1.1 11
X / 64 7.1.1.2 11
X / 64 7.7.2.1 21
X / 64 7.7.2.2 21
Site Registration
EID Next Hop Metric
X / 64 2001::2:1 E2 21
2001::2:1 2001::2:x 77
IGP Routing Table xTR21
EID Next Hop Metric
X / 64 2001::2:1 E2 21
2001::2:1 2001::2:y 55
IGP Routing Table xTR222001::2:1 t7
7.7.1.1
7.7.2.1
7.7.2.2
t10
SATCOM SNReg2
SATCOM L2-ID X
t8
t9
EID RLOC PRIO
X / 64 7.7.1.1 11
X / 64 7.7.1.2 11
G/G-R
AC-R
A/G-R
A/G-R
AC-R
© FREQUENTIS 2015 Presentation Date: 2016-01-21Author: FRQ
Page: 18ESA_ICAO_ATN_IPS_TN1_V03.pptx
Multilink (3a): Traffic To ICAO X Still Old Path
X / 64
Airplane IPv6 ICAO Net X
LDACS SNReg1
LDACS L2-ID XDefGW XA-R
AOC - ATSRegion X
AOC ES
ATS ES
LISP xTR11
LISP MS/MR1
LISP xTR12
LISP MS/MR2
LISP xTR21
LISP xTR22
LISP xTRx1
LISP xTRx2
SEC Region 1
SEC Region 2
EID RLOC PRIO
X / 64 7.7.1.1 11
X / 64 7.7.1.2 11
X / 64 7.7.2.1 21
X / 64 7.7.2.2 21
Site Registration
2001::2:1
7.7.1.1
7.7.1.2
7.7.2.1
7.7.2.2
2001::1:1
2001::1:3
2001::1:4
t10
EID RLOC
X / 64 7.7.1.1
Mapping Cache xTRx1
IPv6 ES1 -> IPv6 X
L2-X fqU r1 IPv6 ES1 -> IPv6 X
ES1
EID Next Hop Metric
X / 64 2001::1:1 E2 11
2001::1:1 2001::1:3 44
IGP Routing Table xTR11
EID Next Hop Metric
X / 64 2001::1:1 E2 11
2001::1:1 2001::1:4 55
IGP Routing Table xTR12
SATCOM SNReg2
SATCOM L2-ID X
G/G-R
AC-R
A/G-R
A/G-R
AC-R
© FREQUENTIS 2015 Presentation Date: 2016-01-21Author: FRQ
Page: 19ESA_ICAO_ATN_IPS_TN1_V03.pptx
Multilink (3b): Traffic From ICAO X Still Old Path
X / 64
Airplane IPv6 ICAO Net X
LDACS SNReg1
LDACS L2-ID XDefGW XA-R
AOC - ATSRegion X
AOC ES
ATS ES
LISP xTR11
LISP MS/MR1
LISP xTR12
LISP MS/MR2
LISP xTR21
LISP xTR22
LISP xTRx1
LISP xTRx2
SEC Region 1
SEC Region 2
2001::2:1
7.7.1.1
7.7.1.2
7.7.2.1
7.7.2.2
2001::1:1
2001::1:3
2001::1:4
t10
ES1
SATCOM SNReg2
SATCOM L2-ID X
EID Next Hop Metric
Default 1 2001::1:5 66 (xTR11)
Default 2 2001::1:6 44 (xTR12)
IGP Routing Table 2001::1:1
EID RLOC
ATS ES / 64 7.7.X.1
Mapping Cache xTR12
EID RLOC PRIO
ATS ES / 64 7.7.X.1 11
ATS ES / 64 7.7.X.2 11
Site Registration
IPv6 X -> IPv6 ES1
fqD r1, L2-XIPv6 X -> IPv6 ES1
G/G-R
AC-R
A/G-R
A/G-R
AC-R
© FREQUENTIS 2015 Presentation Date: 2016-01-21Author: FRQ
Page: 20ESA_ICAO_ATN_IPS_TN1_V03.pptx
Multilink (4a): Seamless Switchover
X / 64
Airplane IPv6 ICAO Net X
LDACS SNReg1
LDACS L2-ID XDefGW XA-R
AOC - ATSRegion X
AOC ES
t1
LISP xTR11
LISP MS/MR1
LISP MS/MR2
LISP xTR21
LISP xTR22
LISP xTRx1
LISP xTRx2
SEC Region 1
SEC Region 2
Site Registration
EID Next Hop Metric
X / 64 2001::2:1 E2 11
2001::2:1 2001::2:x 77
IGP Routing Table xTR21
EID Next Hop Metric
X / 64 2001::2:1 E2 11
2001::2:1 2001::2:y 55
IGP Routing Table xTR222001::2:1 t2
7.7.1.1
7.7.2.1
7.7.2.2
SATCOM SNReg2
SATCOM L2-ID X
t4
t3
EID RLOC PRIO
X / 64 7.1.1.1 11
X / 64 7.1.1.2 11
X / 64 7.1.2.1 21
X / 64 7.1.2.2 21
EID RLOC PRIO
X / 64 7.7.1.1 11
X / 64 7.7.1.2 11
X / 64 7.7.2.1 11
X / 64 7.7.2.2 11
t5
EID RLOC
X / 64 7.7.1.1
X / 64 7.7.1.2
G/G-R
AC-R
A/G-R
A/G-R
AC-R Now LISP Priority for NetX of Region 2 has
changed (lower value)
Mapping Cache xTRx1ATS ES
© FREQUENTIS 2015 Presentation Date: 2016-01-21Author: FRQ
Page: 21ESA_ICAO_ATN_IPS_TN1_V03.pptx
Multilink (4b): Seamless Switchover
X / 64
Airplane IPv6 ICAO Net X
LDACS SNReg1
LDACS L2-ID XDefGW XA-R
AOC - ATSRegion X
AOC ES
t6
LISP xTR11
LISP MS/MR1
LISP xTR12
LISP xTR21
LISP xTR22
LISP xTRx1
LISP xTRx2
SEC Region 1
SEC Region 2
Site Registration
2001::2:1
ICAO X, Pref. 2, Quality 1, fqD r1, L2-X
7.7.1.1
7.7.1.2
7.7.2.1
7.7.2.2
2001::1:1
EID Next Hop Metric
X / 64 2001::1:1 E2 21
2001::1:1 2001::1:3 44
IGP Routing Table xTR11
EID Next Hop Metric
X / 64 2001::1:1 E2 21
2001::1:1 2001::1:4 55
IGP Routing Table xTR12
2001::1:3
2001::1:4
viaEEM
OSPF E2 -> LISP PRIO
t7
t10
EID RLOC
X / 64 7.7.1.1
X / 64 7.7.1.2
Mapping Cache xTRx1
Now LISP Priority forNet X of Region 1
has changed (highervalue)
SATCOM SNReg2
EID RLOC PRIO
X / 64 7.1.1.1 11
X / 64 7.1.1.2 11
X / 64 7.1.2.1 11
X / 64 7.1.2.2 11
SATCOM L2-ID X
t8
t9
EID RLOC PRIO
X / 64 7.7.1.1 21
X / 64 7.7.1.2 21
X / 64 7.7.2.1 11
X / 64 7.7.2.2 11
Site Registration
G/G-R
AC-R
A/G-R
A/G-R
AC-R
ATS ES
© FREQUENTIS 2015 Presentation Date: 2016-01-21Author: FRQ
Page: 22ESA_ICAO_ATN_IPS_TN1_V03.pptx
Multilink (4c): Seamless Switchover
X / 64
Airplane IPv6 ICAO Net X
LDACS SNReg1
LDACS L2-ID XDefGW XA-R
AOC - ATSRegion X
AOC ES
LISP xTR11
LISP MS/MR1
LISP xTR12
LISP MS/MR2
LISP xTR21
LISP xTR22
LISP xTRx1
LISP xTRx2
SEC Region 1
SEC Region 2
EID RLOC PRIO
X / 64 7.7.1.1 21
X / 64 7.7.1.2 21
X / 64 7.7.2.1 11
X / 64 7.7.2.2 11
Site Registration
2001::2:1
7.7.1.1
7.7.1.2
7.7.2.1
7.7.2.2
2001::1:1
2001::1:3
2001::1:4t11
EID RLOC
X / 64 7.7.2.1
X / 64 7.7.2.2
Mapping Cache xTRx1
t12
SATCOM SNReg2
SATCOM L2-ID X
G/G-R
AC-R
A/G-R
A/G-R
AC-R
ATS ES
© FREQUENTIS 2015 Presentation Date: 2016-01-21Author: FRQ
Page: 23ESA_ICAO_ATN_IPS_TN1_V03.pptx
Multilink (5): Traffic To ICAO X New Path
X / 64
Airplane IPv6 ICAO Net X
LDACS SNReg1
LDACS L2-ID XDefGW XA-R
AOC - ATSRegion X
AOC ES
LISP xTR11
LISP MS/MR1
LISP xTR12
LISP MS/MR2
LISP xTR21
LISP xTR22
LISP xTRx1
LISP xTRx2
SEC Region 1
SEC Region 2
EID RLOC PRIO
X / 64 7.7.1.1 21
X / 64 7.7.1.2 21
X / 64 7.7.2.1 11
X / 64 7.7.2.2 11
Site Registration
2001::2:1
7.7.1.1
7.7.1.2
7.7.2.1
7.7.2.2
2001::1:1
2001::1:3
2001::1:4
EID RLOC
X / 64 7.7.2.1
X / 64 7.7.2.2
Mapping Cache xTRx1
IPv6 ES1 -> IPv6 X
ES1
EID Next Hop Metric
X / 64 2001::2:1 E2 11
2001::2:1 2001::2:y 55
IGP Routing Table xTR22
EID SATCOM L2-ID SEC
X / 64 X Int-Key X
SATCOM Table TerrestrialSATCOM SN
Reg2
SATCOM L2-ID X
t13
t14
t15
t16
t17
t18
t19
G/G-R
AC-R
A/G-R
A/G-R
AC-R
Traffic from IPv6 ICAO X to AOC ES 1 is alocal decision of A-R based on preference
ATS ES
© FREQUENTIS 2015 Presentation Date: 2016-01-21Author: FRQ
Page: 24ESA_ICAO_ATN_IPS_TN1_V03.pptx
Multilink (6): Shutdown Link
X / 64
Airplane IPv6 ICAO Net X
LDACS SNReg1
LDACS L2-ID XDefGW XA-R
AOC - ATSRegion X
AOC ES
LISP xTR11
LISP MS/MR1
LISP xTR12
LISP MS/MR2
LISP xTR21
LISP xTR22
LISP xTRx1
LISP xTRx2
SEC Region 1
SEC Region 2
Site Registration
2001::2:1
7.7.1.1
7.7.1.2
7.7.2.1
7.7.2.2
2001::1:1
2001::1:3
2001::1:4
EID RLOC
X / 64 7.7.2.1
X / 64 7.7.2.2
Mapping Cache xTRx1
ES1
EID Next Hop Metric
X / 64 2001::1:1 E2 21
2001::1:1 2001::1:3 44
IGP Routing Table xTR11
EID Next Hop Metric
X / 64 2001::1:1 E2 21
2001::1:1 2001::1:4 55
IGP Routing Table xTR12
ICAO X, Pref. 99, Shutdown, fqD r1, L2-X
t1
t2
t3
SATCOM SNReg2
SATCOM L2-ID X
EID RLOC PRIO
X / 64 7.1.1.1 21
X / 64 7.1.1.2 21
X / 64 7.1.2.1 11
X / 64 7.1.2.2 11
EID RLOC PRIO
X / 64 7.7.1.1 21
X / 64 7.7.1.2 21
X / 64 7.7.2.1 11
X / 64 7.7.2.2 11
G/G-R
AC-R
A/G-R
A/G-R
AC-R
ATS ES
© FREQUENTIS 2015 Presentation Date: 2016-01-21Author: FRQ
Page: 25ESA_ICAO_ATN_IPS_TN1_V03.pptx
Agenda
Introduction
Base Procedures
Multilink Seamless Operation
Seamless Handover Access Network
Summary
© FREQUENTIS 2015 Presentation Date: 2016-01-21Author: FRQ
Page: 26ESA_ICAO_ATN_IPS_TN1_V03.pptx
Summary
Key points of this concept:- Airborne Router:
- Lightweight - No routing/mobility protocol -> simple default routing- Mobility/routing management delegated to ground systems
- A/G router (Interface between access network and IPS Internetwork)- Access SN has to forward the link quality and preference to the LISP border
router- LISP Border Router maps the link quality to the LISP Priority- Location announcement only when the aircraft leaves/enters the access
network
The Ground LISP concept is one of the two remaining proposals ofthe SESAR 15.2.4 project, which is defining the FCI in Europe.
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