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دانلود کتاب Network Mergers and Migrations: Junos Design and Implementation
دانلود کتاب ادغام و مهاجرت شبکه: طراحی و پیاده سازی Junos
مشخصات کتاب
Network Mergers and Migrations: Junos Design and Implementation
دسته بندی: شبکه سازی ویرایش: نویسندگان: Gonzalo Gómez Herrero. Jan Antón Bernal van der Ven سری: Wiley Series on Communications Networking & Distributed Systems ISBN (شابک) : 0470742372, 9780470660171 ناشر: Wiley سال نشر: 2010 تعداد صفحات: 568 زبان: English فرمت فایل : PDF (درصورت درخواست کاربر به PDF، EPUB یا AZW3 تبدیل می شود) حجم فایل: 4 مگابایت
قیمت کتاب (تومان) : 32,000
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توضیحاتی درمورد کتاب به خارجی
This book provides a complete reference to network mergers
and migrations using the Junos operating system
Network Mergers and Migrations provides readers with a comprehensive guide for network migration activities by detailing a variety of internetworking case studies. Both enterprise and service provider scenarios are examined based on the experience and expertise of two senior Juniper Networks engineers. From MPLS Layer 3 VPN migration approaches to comprehensive network protocol consolidation and integration, each case study covers planning, design and implementation, as well as discussing alternatives and leveraging additional specific services and Junos resources, to ensure successful completion at each migration phase. These case studies are complemented with solid state-of-the-art protocol analysis and with practical application notes focused on specific functionalities. Readers are shown, not told, how to accomplish one of the more critical tasks of modern day networking – merging two or more networks or migrating one into the other. This is a book that truly describes the challenges that involve networks in modern environments, in both enterprise and service provider milieus.
Key Features:
- Provides an invaluable reference for engineers needing to upgrade networks, consolidate activities, or deploy new features or services.
- Contains case studies and application notes of network migrations, moving well beyond theoretical technology descriptions.
- Offers advanced techniques from engineers who have planned, designed, and accomplished complicated internetwork migrations, offering lessons learned from their success stories and pitfall situations.
- Covers specific Junos resources for routing tables, link-state interior gateway protocols, BGP, MPLS label distribution protocols, MPLS Layer 3 VPN and many more Junos related features and functionalities
Network Mergers and Migrations will be of immense interest to network engineers, network designers, architects, and operators, as well as network planners and consultants. Networking engineering students will discover a treasure trove of real-world scenarios and solutions and the book is additional recommended reading for students pursuing Juniper Networks Technical Certification Programs.
Endorsements:
''Having been through the network migrations of both SBC-Ameritech, and SBC-AT&T, this book provides valuable direction and advice to an operator that would be useful when dealing with mergers and migrations. It is about time that someone wrote a book covering not just green field network design, but how do you merge networks together while maintaining the needs of the business.”
Tom Scholl, Principal IP Network Engineer, IP/MPLS Backbone Design and Development, AT&T Labs
“I have never read such an excellent book detailing so much about Juniper router operation and design knowledge in depth, not only it has helped me with operating all of our Juniper routers in our national backbone network more efficiently, but also on improving my design knowledge as well.”
Ji Hui, Senior Manager, China Telecom Group Corporation
“ NMM gives a clear idea of the difficulty of merging or migrating IP networks, and it is a great help for engineers that have to face this type of operation for the first time or even repeatedly.”
Chiara Moriondo, Senior Engineer, Telecom Italia Labs
“ Network Mergers and Migrations provides an original approach to IP and MPLS instruction that is right on target. When combined with the depth of technical information and case studies contained within, the result is an irreplaceable resource for any network engineer.”
Chris Grundemann, Senior Engineer, tw telecom , inc.
“Network Mergers and Migrations is a thorough guide for anyone involved in a wide range of network consolidation and integration exercises. The authors use Junos as a technical focus for their examples keeping the concepts related to some of the more relevant protocols and topics in current IP and MPLS networks. It’s a must-have book for anyone wishing to further enhance their protocol knowledge base.”
Shafik Hirjee, Bell Canada, Director, National MPLS/IP Core Network Engineering
“We operate the largest R&E network in the world using Juniper T640s, and my job often involves network planning and design. I have found this book to be just the one I need. I thought I knew Junos, but these authors are at an unprecedented level.”
Zheng Zhiyan, Senior Engineer, Network Operation Center, CNGI-6IX/CERNET2
“Recommend reading for networkers who like to look into complex and detailed network migration scenarios, as well as those interested in a better understanding of Junos implementation of common ISP protocols.”
Andreas Weiner, Network Engineer/IP Backbone, Telekom Austria TA AG
“ Network Mergers and Migrations provides network operators a comprehensive reference for network migration. The level of detail included in this book is exceptional. It's a thorough guide for any network professional who are involved with network migration.”
Mazen A. Baragaba & Eid Al HarbiCommunications Engineers, Communications operations department, Saudi Aramco
“Efficient IP network planning and management involves more than just the in-depth knowledge of theory. This book helps the reader gain a thorough understanding of the Junos routing architecture via practical and useful case studies, resulting in smooth and clean transitions between different network implementations. The clear and concise exposition make this book a pleasure to read and a useful companion during work.”
Giorgio Lembo, R&D Director, Tinet S.p.A.
“ Network Mergers and Migrations describes in detail the basics of L3VPN architectures while providing a clear and detailed roadmap for various migration scenarios. Even for telcos (operators) that are not implied in migration phases, a lot of great advice is provided for designing network architectures based on Junos software.”
David Roy, Orange France, RBCI IP Technical Assistance Center
“ Network Mergers and Migrations is much more than a reference for all relevant IP protocols today, it is a book of practical examples for your daily work and should be on the desk of everyone who has to deal with network migrations and mergers.”
Christian Kaufmann, Senior Manager Network Architecture, Akamai Technology
“An invaluable guide for anyone about to undertake a network merger, full of appropriate case studies and Junos tips to back up the concepts discussed.”
Keith Slater, NOC Manager, Cable&Wireless Worldwide
“The best book on operating Junos router networks!”
Jia Yan, Director, Network Maintenance Center, China Telecom Group Beijing Corporation
فهرست مطالب
Contents......Page 9
List of Junos Tips......Page 15
List of Application Notes......Page 17
List of “What ifs”......Page 19
About the Authors......Page 21
Series Foreword......Page 23
Foreword......Page 25
Acknowledgments......Page 27
Acronyms......Page 29
Introduction......Page 33
1.1 Route Handling Features inside a Junos OS Based Router......Page 41
1.1.1 Instances and RIB tables......Page 42
1.1.2 Grouping RIBs together......Page 45
1.1.3 Instructing protocols to use different RIBs......Page 48
1.1.4 Automatic RIB groups and VPN routes......Page 50
1.1.5 Local redistribution using the vrf-import option......Page 52
1.2 RIB Route Advertisement at MPLS Layer 3 VPNs......Page 53
1.2.1 Levels of advertisement policy – vpn-apply-export......Page 54
1.2.2 Path selection mode in Junos OS......Page 55
1.2.4 RIB selection – no-vrf-advertise......Page 57
1.3.1 Adding a routing table next hop to a static route......Page 58
1.3.3 Usage guidelines......Page 59
1.3.4 Risks of decoupling routing and forwarding......Page 60
1.4.1 Original network......Page 61
1.4.2 Target network......Page 63
1.4.3 Migration strategy......Page 64
1.4.4 Stage one: Building an MPLS L3VPN......Page 67
1.4.5 Stage two: Preparatory work at spoke sites......Page 70
1.4.6 Stage three: Preparatory work at headquarters......Page 71
1.4.7 Stage four: Preparatory work at the data center......Page 77
1.4.8 Stage five: Move of data center site to CORP VRF......Page 82
1.4.10 Stage seven: Monitoring and anomaly detection......Page 88
1.4.11 Stage eight: Move of remaining spoke sites to CORP VRF......Page 91
1.4.12 Stage nine: Hub traffic to data center to follow CORP VPN......Page 95
1.4.13 Stage ten: Migration cleanup......Page 96
Bibliography......Page 98
Further Reading......Page 99
2 Link-State IGP Migrations......Page 101
2.1.1 Motivations for link-state IGP hierarchical migrations......Page 103
2.1.2 Generic strategies for link-state IGP hierarchical migrations......Page 107
2.1.3 Resources for link-state IGP hierarchical migrations......Page 132
2.2.1 Considerations for a link-state IGP migration......Page 149
2.2.2 Generic strategies for a link-state IGP migration......Page 154
2.2.3 Resources for a link-state IGP migration......Page 158
2.3 Case Study......Page 188
2.3.1 Original network......Page 189
2.3.2 Target network......Page 190
2.3.3 Migration strategy......Page 193
2.3.4 Stage one: IS–IS Level 2 activation in domain “Cyclone”......Page 194
2.3.5 Stage two: Route redistribution at domain “Monsoon”......Page 206
2.3.6 Stage three: IS–IS protocol adaption at domain “Mistral”......Page 217
2.3.7 Stage four: Domain interconnection via IS–IS Level 2......Page 225
2.3.8 Stage five: Integration of router Lille in the IS–IS domain......Page 226
2.3.9 Stage six: Global connectivity verification......Page 231
2.3.10 Stage seven: OSPFv2 to IS–IS Level 2 transition in domain “Cyclone”......Page 243
2.3.11 Stage eight: Address renumbering and OSPFv2 replacement with IS–IS in domain “Monsoon”......Page 250
2.3.12 Stage nine: IS–IS Level 1 authentication and route-leaking adaption in domain “Mistral” and router Lille......Page 261
2.3.13 Migration summary......Page 263
Bibliography......Page 266
Further Reading......Page 267
3 BGP Migrations......Page 269
3.1 Motivations for BGP Migrations......Page 271
3.2 Considerations for BGP Migrations......Page 273
3.2.1 Protocol messages......Page 274
3.2.2 Capability advertisement......Page 276
3.2.3 Address families......Page 277
3.2.4 Implications of public AS change......Page 278
3.2.5 AS numbers in route advertisements......Page 279
3.2.6 AS-related attributes in advertisements......Page 280
3.2.7 Internal peering topologies......Page 282
3.2.8 Keep last active route with BGP equal cost external paths......Page 285
3.2.10 Handling of protocol next-hop changes......Page 286
3.3 Generic Strategies for BGP Migrations......Page 288
3.3.3 Scalability......Page 289
3.3.5 Coordinating external peering changes......Page 290
3.3.7 Changing IBGP topologies......Page 291
3.4.1 Inbound......Page 293
3.4.2 Adj-RIB-In......Page 294
3.4.4 Adj-RIB-Out......Page 295
3.5.2 Flexible identification of the local AS......Page 297
3.6.1 Original network......Page 300
3.6.2 Target network......Page 305
3.6.3 Migration strategy......Page 306
3.6.4 Stage one: Confederating domain “Cyclone”......Page 308
3.6.5 Stage two: Confederating domain “Mistral”......Page 313
3.6.6 Stage three: First confederation peering to bind both sub-AS domains together......Page 317
3.6.7 Stage four: Monitoring period......Page 318
3.6.8 Stage five: CBGP deployment and EBGP cleanup between domain “Cyclone” and domain “Mistral”......Page 324
3.6.9 Stage six: External peering on new 4-byte AS......Page 325
3.6.10 Stage seven: Bringup IBGP peerings to Lille......Page 328
3.6.12 Stage nine: Switch router Nantes to the 4-byte AS......Page 332
Bibliography......Page 334
Further Reading......Page 335
4.1 Motivations for MPLS label distribution Migrations......Page 337
4.2 Considerations for MPLS label distribution Migrations......Page 338
4.3.1 MPLS label distribution protocol coexistence......Page 340
4.3.2 MPLS label distribution protocol redistribution......Page 341
4.3.4 MPLS label distribution protocol parameterization......Page 343
4.4 Resources for an MPLS label distribution protocol Migration......Page 344
4.4.1 MPLS label distribution protocol preference......Page 345
4.4.2 Resources to control LDP label distribution......Page 346
4.4.3 Resources for route installation with RSVP-TE......Page 352
4.4.4 Resources for label advertisement and route resolution with Labeled BGP......Page 361
4.5.1 Original network......Page 364
4.5.2 Target network......Page 366
4.5.3 Migration strategy......Page 367
4.5.4 Stage one: Labeled BGP deployment over LDP in domain “Mistral”......Page 371
4.5.5 Stage two: Labeled BGP deployment over RSVP-TE in domain “Cyclone”......Page 386
4.5.6 Stage three: Labeled BGP interconnect between domain “Cyclone” and domain “Mistral”......Page 392
4.5.7 Stage four: Redundant label binding distribution over domain “Monsoon”......Page 397
4.5.8 Stage five: MPLS integration and interconnect via router Lille......Page 400
4.5.9 Stage six: LDP activation in all domains......Page 404
4.5.10 Migration summary......Page 410
Bibliography......Page 412
Further Reading......Page 413
5 MPLS Layer 3 VPN Migrations......Page 415
5.1.1 Security enforcement......Page 416
5.1.4 Route manipulation......Page 417
5.2.1 Layer 3 VPNs......Page 418
5.2.2 RIP as PE–CE protocol......Page 422
5.2.3 OSPFv2 as PE–CE protocol......Page 425
5.2.4 EBGP as PE–CE protocol......Page 429
5.2.5 IBGP as PE–CE protocol......Page 430
5.2.6 Inter-AS options......Page 431
5.2.7 Carrier Supporting Carrier (CsC)......Page 437
5.3.2 Layer 3 VPN Route Distinguiser mapping......Page 438
5.4 Junos Implementation of L3VPNs......Page 439
5.4.1 MPLS label allocation for L3VPNs......Page 440
5.5.1 RIP PE–CE resources......Page 447
5.5.2 OSPFv2 PE–CE resources......Page 453
5.5.3 BGP PE–CE resources......Page 490
5.6.1 Original network......Page 510
5.6.2 Target network......Page 511
5.6.3 Migration strategy......Page 512
5.6.4 Stage one: Inter-AS Option A deployment......Page 513
5.6.5 Stage two: Inter-AS Option B deployment......Page 519
5.6.6 Stage three: Inter-AS Option B activation......Page 528
5.6.7 Stage four: Bringup of redundant Option B over CsC......Page 532
5.6.8 Stage five: Activation of Option B over CsC......Page 536
5.6.9 Stage Six: Inter-AS Option C deployment in domain “Cyclone”......Page 539
5.6.10 Stage Seven: Inter-AS Option C activation......Page 543
5.6.11 Stage Eight: Build redundant Option C......Page 545
5.6.12 Stage Nine: Activation of redundant Option C......Page 549
5.6.13 Migration summary......Page 551
Bibliography......Page 552
Further Reading......Page 553
Index......Page 555
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