Core network mobility: active MPLS [Elektronische Ressource] / vorgelegt von Rajendra Persaud

Bauermannmichael

Sujets

• Informatik

Informations

• Publié par: rheinisch-westfalischen_technischen_hochschule_-rwth-_aachen
• Publié le: 01 janvier 2006
• Nombre de lectures: 29
• Langue: Deutsch
• Poids de l'ouvrage: 1 Mo

Extrait

Rheinisch-Westf¨alische Technische Hochschule Aachen
Core Network Mobility
Active MPLS
Von der Fakult¨ at fur¨ Mathematik, Informatik und Naturwissenschaften der
Rheinisch-Westf¨ alischen Technischen Hochschule Aachen zur Erlangung des
akademischen Grades eines Doktors der Naturwissenschaften genehmigte
Dissertation
vorgelegt von
Diplom-Informatiker Rajendra Persaud
aus Linnich, Kreis Duren¨
Berichter: Univ.-Prof. Dr. rer. nat. Otto Spaniol Petri M¨ ah¨ onen, Ph.D.
Tag der mundlic¨ hen Prufung:¨ 15. September 2006
Diese Dissertation ist auf den Internetseiten der Hochschulbibliothek online
verfugbar.¨Berichte aus der Informatik
Rajendra Persaud
Core Network Mobility
Active MPLS
D 82 (Diss. RWTH Aachen)
Shaker Verlag
Aachen 2006Bibliographic information published by the Deutsche Nationalbibliothek
The Deutsche Nationalbibliothek lists this publication in the Deutsche
Nationalbibliografie; detailed bibliographic data are available in the Internet
at http://dnb.d-nb.de.
Zugl.: Aachen, Techn. Hochsch., Diss., 2006
Copyright Shaker Verlag 2006
All rights reserved. No part of this publication may be reproduced, stored in a
retrieval system, or transmitted, in any form or by any means, electronic,
mechanical, photocopying, recording or otherwise, without the prior permission
of the publishers.
Printed in Germany.
ISBN-10: 3-8322-5564-8
ISBN-13: 978-3-8322-5564-0
ISSN 0945-0807
Shaker Verlag GmbH • P.O. BOX 101818 • D-52018 Aachen
Phone: [phone] • Telefax: 0049/2407/9596-9
Internet: www.shaker.de • e-mail: [e-mail]
1 Introduction 1
2 Core Networks 5
2.1 Architecture.............................. 5
2.2 PPP.................................. 6
2.3 IPv4 9
2.3.1 Header............................. 9
2.3.2 Forwarding .......................... 10
2.3.3 DHCP 1
2.3.4 IPv4 Tunnelling........................ 14
2.4 IPv6 15
2.4.1 Header 16
2.4.2 IPv6NeighborDiscovery................... 17
2.4.3 Statelesaddresautoconfiguration............. 17
2.4.4 DHCPv6............................ 18
2.5 MPLS................................. 19
2.5.1 Architecture.......................... 21
2.5.2 IngressFunction ....................... 21
2.5.3 LSRFunction......................... 22
2.5.4 EgresFunction........................ 23
2.5.5 Label Distribution ...................... 23
2.5.5.1 Label Distribution Protocols . . . ......... 24
2.5.5.2 Downstream-On-Demand vs. Unsolicited Down-
stream 24
2.5.5.3 Independentvs.OrderedLSPControl...... 25
2.5.6 RSVP-TE........................... 25
2.6 QoS.................................. 29
3 Security 33
3.1 SecurityServices 3
3.1.1 Authentication........................ 34
3.1.2 Confidentiality 35
3.1.3 IntegrityProtection...................... 35
vvi CONTENTS
3.1.4 ReplayProtection....................... 36
3.1.5 Non-repudiability 36
3.2 KeyExchange............................. 36
3.3 SecurityProtocols........................... 38
3.3.1 Chalenge-HandshakeProtocol................ 38
3.3.2 One-TimePassword ..................... 38
3.3.3 TransportLayerSecurity................... 39
3.4 Extensible Authentication Protocol ................. 41
3.5 RADIUS................................ 43
3.6 RADIUS/EAP ............................ 45
3.7 DiameterandDiameter/EAP.................... 47
3.8 IPsec.................................. 48
3.8.1 EncapsulatingSecurityPayload............... 50
3.8.2 AuthenticationHeader 51
3.9 PANA................................. 52
4 Mobility Management 55
4.1 ClasificationofHandoverTypes .................. 58
4.2 HandoverProcedure......................... 60
4.3 Classification of Mobility Solutions ................. 61
4.4 IPv4-based mobility.......................... 63
4.4.1 Mobile IPv4 63
4.4.2 ProxyMobileIPv4...................... 67
4.4.3 Low Latency Handoffs in Mobile IPv4 ........... 70
4.4.3.1 Pre-RegistrationHandoverMethod........ 71
4.4.3.2 Post-RegistrationHandoverMethod....... 73
4.4.3.3 Combined Handover Method 75
4.4.4 HAWAII............................ 76
4.4.5 Cellular IP........................... 78
4.4.6 GMM............................. 79
4.4.7 HierarchicalIPv4-basedsolutions.............. 82
4.4.7.1 TeleMIP....................... 82
4.4.7.2 IDMP........................ 84
4.4.7.3 Micro-Mobile MIP ................. 85
4.4.7.4 Combinatorial MIP 85
4.4.7.5 DynamicHierarchicalMIP............. 87
4.5 IPv6-based mobility.......................... 88
4.5.1 Mobile IPv6 8
4.5.2 Hierarchical Mobile IPv6 Mobility Management ...... 92
4.5.3 Fast Handovers for Mobile IPv6 ............... 94
4.5.4 Combining HMIPv6 and FMIPv6 .............. 97
4.5.5 Cellular Universal IP ..................... 9
4.5.6 EdgeMobilityProtocol....................100CONTENTS vii
4.6 MPLS-based mobility.........................103
4.6.1 SolutionsonlyupdatingtheIngresLER..........103
4.6.2 LEMA.............................105
4.7 Summary ...............................108
5 Active MPLS 109
5.1 UserPlane11
5.1.1 IngresLERFunction ....................11
5.1.2 LSRFunction.........................12
5.1.3 EgresLERFunction.....................13
5.2 ControlPlane14
5.2.1 LSPSet-Up..........................14
5.2.2 Set-UpofPrimaryLSPs...................116
5.2.3 Set-UpofHandoverLSPs..................16
5.2.4 Handover Indication17
5.2.5 Intra-PoSHO18
5.2.6 Inter-PoSHO.........................18
5.2.7 HandoverNotification ....................19
5.2.8 Security............................12
5.2.9 Example123
5.3 Testbed Implementation .......................125
5.4 Simulation...............................130
5.5 EvaluatedParameters ........................131
5.5.1 OutagePeriod131
5.5.2 LosPeriod..........................13
5.5.3 HandoverDelay13
5.5.4 PacketLoss134
5.5.5 Network Utilization......................134
5.5.6 NumberofUser-SpecificTableEntries...........134
5.5.7 End-to-EndDelay.......................135
5.5.8 Jiter..............................136
5.6 Evaluation...............................136
5.6.1 ActiveMPLSvs.FastActiveMPLS............136
5.6.2 Testbed Implementation ...................141
5.6.2.1 Handover-relatedparameters...........142
5.6.2.2 Packet-relatedparameters.............145
5.6.3 Simulation...........................146
5.6.3.1 Handover-relatedparameters...........146
5.6.3.2 Packet-relatedparameters152
5.6.4 Summary155viii CONTENTS
6 Wireless Technologies 157
6.1 Wi-Fi .................................157
6.1.1 Architecture..........................158
6.1.2 ProtocolStacks........................159
6.1.3 PPPoE.............................160
6.1.4 Discovery...........................161
6.1.5 Start-Up............................162
6.1.6 Handover164
6.1.7 Application of Active MPLS to Wi-Fi............164
6.1.7.1 Start-Up.......................164
6.1.7.2 Handover......................16
6.2 WiMAX................................167
6.2.1 Architecture..........................168
6.2.2 ProtocolStacks........................169
6.2.3 Discovery...........................171
6.2.4 Application to Active MPLS.................172
6.2.4.1 Start-Up172
6.2.4.2 Handover......................173
6.3 GPRS/UMTS.............................176
6.3.1 Architecture17
6.3.2 ProtocolStacks178
6.3.3 Discovery180
6.3.4 Application to Active MPLS.................181
6.3.4.1 Start-Up.......................181
6.3.4.2 Handover......................183
7 Inter-technology mobility management 187
7.1 Mobility Support ...........................188
7.1.1 EventService.........................188
7.1.2 CommandService190
7.1.3 InformationService190
7.1.4 Candidate Access Router Discovery .............192
7.2 IEEE802.21..............................194
7.3 Inter-Working.............................197
7.3.1 WLAN-GPRS/UMTSInter-Working............198
7.3.1.1 Inter-WorkingViaBSSEmulator.........198
7.3.1.2 Inter-WorkingViaSGSNEmulator........19
7.3.1.3 Inter-Working Via Mobility Gateway .......201
7.3.1.4 Inter-W Via Mobile IPv4 Home Agent . . . 202
7.3.1.5 Discusion......................202
7.3.2 OtherTypesofInter-Working................203
8 Conclusions and Outlook 205CONTENTS ix
Abbreviations 209
Bibliography 231
Curriculum Vitae 233x CONTENTS