1. Copyright © 2004 Juniper Networks, Inc. Proprietary and Confidentialwww.juniper.net 1 190th IETF - Toronto Multi-chassis PON Protection in MPLS Yuanlong Jiang, Yong Luo, Huawei Edwin Mallette, Bright House Networks Chengbin Shen, China Telecom Yimin Shen, Juniper draft-jiang-pwe3-mc-pon-02

2. 2 Copyright © 2004 Juniper Networks, Inc. Proprietary and Confidentialwww.juniper.net Overview  Basically, this document provides multi-chassis support for PON access  Unique characteristic of PON protection In trunk protection, downstream optical signal is not available on the protection link  Extend ICCP to support synchronization of PON state and use PW redundancy to synchronize PW switchover 90th IETF - Toronto2

3. 3 Copyright © 2004 Juniper Networks, Inc. Proprietary and Confidentialwww.juniper.net 90th IETF - Toronto3 ONU 2:N ONU 2:N PONXGbE SW O L T A PON XGbE X X PON XGbE SW O L T B PON XGbE X X PE1 Small Cells MPLS Network Splitter Tree of ONUs Access Network Protection OLT2 Protection of a tree of ONUs Trunk protection can protect a tree of ONUs with scalability

4. 4 Copyright © 2004 Juniper Networks, Inc. Proprietary and Confidentialwww.juniper.net 90th IETF - Toronto4 2:N DSLAM 2:N PONXGbE SW O L T A PON XGbE X X PON XGbE SW O L T B PON XGbE X X PE1 MPLS Network Splitter Tree of DSLs Access Network Protection OLT2 Protection of a tree of DSL DSL tree builds on existing subscriber lines PON further provides a section of aggregation Trunk protection can protect a tree of DSLs with scalability MODEM DSLAM MODEM

5. 5 Copyright © 2004 Juniper Networks, Inc. Proprietary and Confidentialwww.juniper.net 5 Main updates in revision 02  New co-authors are added Chenbin Shen from China Telecom, and Yimin Shen from Juniper  New application scenarios are added Protection of DSL tree is considered  This document does not consider pure multi-chassis DSL protection at present, as Unique characteristic of trunk protection does not apply to pure DSL It is better to be discussed in another standalone document 90th IETF - Toronto

6. 6 Copyright © 2004 Juniper Networks, Inc. Proprietary and Confidentialwww.juniper.net 6 Next Step  Can this be accepted as a WG item? 90th IETF - Toronto

7. 7 Copyright © 2004 Juniper Networks, Inc. Proprietary and Confidentialwww.juniper.net 7 Thank You 90th IETF - Toronto