APRICOT 2011 - MPLS-based Metro Ethernet Networks v1.0

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3.5 Summary 50 | MPLS-based Metro Ethernet Networks, February 2011
Traditional Metro Ethernet Networks Summary of Issues: High Availability is difficult to achieve in networks running the Spanning Tree Protocol Scalability – IEEE 802.1q/802.1ad networks run into scalability limitations in terms of the number of supported services Customer Ethernet frames are encapsulated in a provider Ethernet frame QoS – only very rudimentary traffic-engineering can be achieved in bridged Ethernet networks. A lot of deployed Ethernet switching platforms lack carrier-class capabilities required for the delivery of Carrier Ethernet services New extensions in IEEE 802.1ah address some limitations such as the number of service instances and MAC explosion problems 51 | MPLS-based Metro Ethernet Networks, February 2011
Page 1 and 2: MPLS-based Metro Ethernet Networks
Page 3 and 4: Agenda Introduction to Metro Ethern
Page 5 and 6: Introduction Paresh Khatri (paresh.
Page 7 and 8: Agenda 2. Introduction to Metro Eth
Page 9 and 10: Introduction to Metro Ethernet Serv
Page 11 and 12: 2.2 Attributes of Carrier Ethernet
Page 13 and 14: 2.3 Carrier Ethernet Services defin
Page 15 and 16: MEF Carrier Ethernet Terminology Th
Page 17 and 18: MEF Carrier Ethernet Terminology C
Page 19 and 20: MEF Carrier Ethernet Terminology Et
Page 21 and 22: Basic Carrier Ethernet Services E-L
Page 23 and 24: Services Using E-Line Service Type
Page 25 and 26: Services Using E-LAN Service Type E
Page 27 and 28: Audience Question 1 Name any two of
Page 29 and 30: Agenda 3. Traditional Metro Etherne
Page 31 and 32: 3.1 Service Identification 31 | MPL
Page 33 and 34: Traditional Metro Ethernet Networks
Page 35 and 36: 3.2 Forwarding Mechanism 35 | MPLS-
Page 39 and 40: 3.3 Resiliency and Redundancy 39 |
Page 45 and 46: 3.4 Recent Developments 45 | MPLS-b
Page 47 and 48: Provider Backbone Bridging (PBB) Et
Page 49: 802.1ah Provider Backbone Bridge En
Page 53 and 54: Audience Question 3 What is the siz
Page 55 and 56: Agenda 4. Delivering Ethernet over
Page 57 and 58: Delivering Ethernet over MPLS MPLS
Page 59 and 60: MPLS Virtualisation The virtualisat
Page 61 and 62: MPLS Scalability MPLS Scalability:
Page 63 and 64: MPLS Traffic-Engineering The IGP-ba
Page 65 and 66: MPLS Traffic-Engineering Recovery f
Page 67 and 68: MPLS Traffic-Engineering Failure an
Page 69 and 70: MPLS Traffic-Engineering Recovery f
Page 71 and 72: MPLS Traffic-Engineering Failure an
Page 73 and 74: 4.2 The Pseudowire Reference Model
Page 75 and 76: PWE3 Reference Model Generic PWE3 A
Page 77 and 78: Pseudowire Protocol Layering Pseudo
Page 79 and 80: Ethernet Virtual Private Wire Servi
Page 81 and 82: PWE3 Reference Model for Ethernet V
Page 83 and 84: Ethernet VPWS Example 1 Example 1:
Page 85 and 86: Ethernet VPWS Example 2 Example 2:
Page 91 and 92: Audience Question 5 What protocol i
Page 93 and 94: Ethernet Virtual Private LAN Servic
Page 95 and 96: VPLS Benefits Benefits for the cust
Page 97 and 98: VPLS Topological Model Topological
Page 99 and 100: VPLS PE Functions Provider Edge Fun
Page 101 and 102:
VPLS Signalling VPLS Mechanics: Br
Page 103 and 104:
VPLS Signalling A full mesh of pseu
Page 105 and 106:
VPLS Pseudowire Signalling Ethernet
Page 107 and 108:
VPLS Pseudowire Signalling Ethernet
Page 109 and 110:
Ethernet VPLS Signalling Example PE
Page 111 and 112:
VPLS Packet Walkthrough and MAC Lea
Page 113 and 114:
4.5 Scaling VPLS 113 | MPLS-based M
Page 115 and 116:
Hierarchical VPLS How is a spoke us
Page 117 and 118:
Scalability: Replication Flat archi
Page 119 and 120:
Topological Extensibility: Metro In
Page 121 and 122:
4.6 VPLS Topologies 121 | MPLS-base
Page 123 and 124:
Topologies: Hierarchical PE-1 PE-2
Page 125 and 126:
Topologies: Ring A full mesh would
Page 127 and 128:
Agenda 4.7. Resiliency Mechanisms 4
Page 129 and 130:
Multi-chassis LAG: What is it ? Sta
Page 131 and 132:
Multi-chassis LAG: How does it work
Page 133 and 134:
Redundancy at the VPLS edge: MC-LAG
Page 135 and 136:
4.7.3 Pseudo-wire Redundancy with M
Page 137 and 138:
Combining MC-LAG with Pseudowire Re
Page 139 and 140:
Multi-chassis LAG with PW Redundanc
Page 141 and 142:
Multi-chassis LAG with Pseudo-Wire
Page 143 and 144:
Multi-chassis LAG with PW Redundanc
Page 145 and 146:
Multi-segment Pseudo-wire - Motivat
Page 147 and 148:
Multi-segment Pseudo-wire - How do
Page 149 and 150:
5. Summary 149 | MPLS-based Metro E
Page 151 and 152:
6. Questions ??? 151 | MPLS-based M
Page 153:
www.alcatel-lucent.com 153 | MPLS-b
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