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1、 2006, ZTE Corporation. All rights reserved. Comparison of GPON and Active Ethernet 2006, ZTE Corporation. All rights reserved. Provide Channel for End-End Connection Service Subscriber Voice Leased line HSIA IPTV VOD Online Gaming Remote-education Remote-medicine Apartment House Building Office Sch
2、ool Government Fast Access Easy for Extension Save CapEx and OpEx QoS Security Requirements on the access layer network Seamless connect with the upper network Easy for management and maintenance Good performance and functionality Easy to use the terminal Network Contents GPON Technology Active Ethe
3、rnet Technology Comparison Advantages of ZTE xPON ZTE xPON Application Cases 2006, ZTE Corporation. All rights reserved. GPON Technology Architecture TDM/PSTN OLT ONT/ONU ONT/ONU G.652 Splitter 20km SNI Logical reach: 60km Logical split ratio: 128 Line Rate: 155 Mb/s up, 1.25 Gb/s down 622 Mb/s up,
4、1.25 Gb/s down 1.25 Gb/s up, 1.25 Gb/s down 155Mb/s up, 2.5Gb/s down 622 Mb/s up, 2.5 Gb/s down 1.25 Gb/s up, 2.5 Gb/s down 2.5 Gb/s up, 2.5 Gb/s down One core fiber for subscriber access Adopt passive ODN between OLT and ONU, splitter is used during network construction Remote management for user s
5、ide equipment NMS CPN ONT/ONU IP Network Video Content Supplier 2006, ZTE Corporation. All rights reserved. GPON Technology Architecture G-PON Physical Media Dependent (GPM) layer GTC Framing Sub-layer OMCI Adapter ATM TC Adapter GEM TC Adapter DBA Control PLOAM TC adaptation sub-layer G-PON Transmi
6、ssion Convergence (GTC) layer G.984.1 GSRService requirements, configuration, basic technology , requirements, protection methods G.984.2 GPMbasic technology requirements ,reciprocity with TC layer G. 984.3 GTClayer model, TC frame architecture, active method, OAM, security, etc G. 984.4 GOMCI MIB,O
7、NT management &control channel &control protocol ATM Client OMCI GEM Client Contents GPON Technology Active Ethernet Technology Comparison Advantages of ZTE xPON ZTE xPON Application Cases 2006, ZTE Corporation. All rights reserved. Ethernet Technology Architecture IP Network LAN Switch Line Rate: 1
8、00Mbps up and down 1000Mbps up and down Adopt 1 or 2 core fiber for subscriber access Ethernet switch is placed in the equipment room/building/corridor, with LAN interface to the user IEEE 802.3 protocol is used NMS CPN LAN Switch Contents GPON Technology Active Ethernet Technology Comparison Advant
9、ages of ZTE xPON ZTE xPON Application Cases 2006, ZTE Corporation. All rights reserved. Provide high bandwidth for broadband access Similar Factor Adopt fiber in transmitting data during service providing Long distance coverage Support multi-play service High capability, QoS and reliability Provide
10、network management, operation and maintenance Standards that accepted by international standard group Comparison of GPON and Active Ethernet 2006, ZTE Corporation. All rights reserved. GPON or Active Ethernet,Which will you choose? GPON Active Ethernet ? 2006, ZTE Corporation. All rights reserved. S
11、tandard: ITU-T G.984 Application mode: P2MP(Point to Multi Point) Shared bandwidth High bandwidth(1.244Gbps upstream and 2.488Gbps downstream ) , support symmetrical or asymmetrical upstream and downstream Complex frame technology, adopt GEM, synchronous mechanism and terminal identifying mechanism
12、Simple network architecture Comparison of GPON and Active Ethernet Standard: IEEE 802.3 Application mode: P2P(Point to Point) Private bandwidth, easy to waste bandwidth Low bandwidth (100Mbps or 1000 Mbps ), support symmetrical upstream and downstream Simple frame technology, based on IP technology
13、,each user has its private fiber from OLT to ONU, easy to realize Complex network architecture, multi-layer switch in the network GPON vs Active Ethernet Technology 2006, ZTE Corporation. All rights reserved. Much concerned by top class operators and vendors, technology of carrier driving Large cove
14、rage and good anti-disturbing, 60km in logical reach Wavelength: 1310nm for upstream, 1490nm for downstream and 1550nm for third wavelength Adopts NRZ code, about 93% overall efficiency Use splitter for network construction, can get to 1:128 (currently 1:64) splitter ratio More customers affected by
15、 link failure Comparison of GPON and Active Ethernet Concerned by Tier 2 and Tier 3 operators , technology of vendor driving Short coverage and low anti-disturbing, mainly 10km Wavelength: 1310nm for upstream and 1550nm for downstream Adopts 8B/10B code, about 72% overall efficiency 1:1 splitter rat
16、io, each subscriber has its own private bandwidth Other customers not affected by one link failure Technology GPON vs Active Ethernet 2006, ZTE Corporation. All rights reserved. Neednt pre-planning, can extend early according to customers demand, easy for expansion New technology, not many deploymen
17、t, but is widely accepted in word wide Perfect QoS control: adopts DBA for bandwidth assignment and 5 class T- CONTs for upstream control High security: Adopts AES-128 for downstream encryption, support device/user isolation and security control Good authentication mechanism: OLT has perfect authent
18、ication support to control ONU Comparison of GPON and Active Ethernet Need pre-planning, should consider later extension such as re-wiring and new built equipments, difficult for expansion Mature technology, has been widely deployed in word wide Weak in QoS, the packet loss and delay is uncontrollab
19、le, difficult in guaranteeing real- time transmitting and bandwidth High security: each subscriber has its own channel from OLT to ONU, support user isolation in physical layer Weak in authentication Technology GPON vs Active Ethernet 2006, ZTE Corporation. All rights reserved. Easy for multi-play s
20、ervice providing, such as Voice, Data and Video FTTH/P, FTTB, FTTC, FTTCab, FTTO Combine with other technologies such as MSAN, DSL and LAN to provide more convergence functionalities Easy to provide third party video service such as CATV Support TDM service, easy to connect with the existing TDM/PST
21、N network, support CES and Native modes Scenarios: building /residential area/office park/ Internet bar/villa, or replacement of buildings/residential area/high added- value users, especially new-built building and residential area Only services based on IP technology Mainly FTTB and FTTC Only LAN b
22、ased on IP Only services based on Ethernet, not support CATV Not support TDM service, difficult in providing TDM interfaces Dispersive and low density area, buildings/residential area Scenarios GPON vs Active Ethernet 2006, ZTE Corporation. All rights reserved. Management & Maintenance High capacity
23、 and high density, ODN adopts fiber and passive equipments, easy for management and maintenance Easy for expansion and upgrade, as subscriber number increase, only need to add PON interface and terminal Only one feeder to the user side, save fiber, feeder is shared by many users Low power consumptio
24、n, neednt power supply in ODN Low equipment room and relative attachments cost, low requirements for temperature and humidity Management through Enhanced OAM function and OMCI Low optical interface density in CO, more management and maintenance nodes than GPON(MC, LAN switch, etc) Difficult for expa
25、nsion and upgrade, need to add optical interfaces on CO/user side and feeder Each subscriber occupies 1 /2 core fiber from CO to the user, need more fiber in construction and difficult in engineering High power consumption, each MC and LAN switch with power supply High equipment room and relative co
26、st, Has strict requirements for temperature and humidity Manage CO and user side equipment via Ethernet OAM Less Fiber= Reduced CapEx & OpEx More Fiber= High CapEx & OpEx GPON vs Active Ethernet 2006, ZTE Corporation. All rights reserved. Features of GPON+VDSL2 GPON and VDSL2 technologies, fiber and
27、 copper cable together Combining the advantages of large coverage for GPON and high bandwidth providing for VDSL2 GPON has star architecture, with VDSL2 to provide high quality services for high density users Using the existing cooper cable efficiently to save CapEx 34 U 1 U 1 U 6 U FO COPPER FTTCab
28、 FTTB FTTO FTTH Business VDSL2 VDSL2 Mini DSLAM or DSLAM COPPER in building ONU or mini DSLAM Passive Splitter FO in building Possibility to bypass DSLAM at the CO DSLAM in Center Office GE networkOptical Card VDSL2 xPON Passive splitter ONT Home Network Home Network Home Network 2006, ZTE Corporati
29、on. All rights reserved. Voice Providing: Puilt-in IAD or mini AG, Modem has inbuilt IAD function Multi-play support: Provide Ethernet interface, some modems have WiFi interface Bandwidth: Asymmetrical for upstream and downstream Only one core fiber from OLT to ONU, adopting splitter to save fiber M
30、ulti-user access: High ONU coverage: 1.5km Voice Providing: Separate IAD Multi-play support: Provide Ethernet interface, need separate equipment in case of providing WiFi interfaces Bandwidth: Symmetrical for upstream and downstream Point to point, more fiber used than GPON+VDSL2, difficult in repla
31、cement Multi-user access: Low ONU coverage : 100m GPON+VDSL2 vs Active Ethernet 2006, ZTE Corporation. All rights reserved. User management: Terminal can be managed ONU Management: Support Bandwidth Assignment: DBA ,T-CONT and PVC Multicast: control: Good Accounting: Through BRAS and radius Failure
32、location: SELT/DELT, support Ethernet OAM Cable requirement: Fiber and twisted pair User Management: Terminal can be managed ONU Management: Support Bandwidth Assignment: Port rate- limiting ,not very flexible Multicast: control: Good Accounting: Through BRAS and radius Failure location: Ethernet OA
33、M Cable Requirement: UTP GPON+VDSL2 vs Active Ethernet Contents GPON Technology Active Ethernet Technology Comparison Advantages of ZTE xPON ZTE xPON Application Cases 2006, ZTE Corporation. All rights reserved. Advantages Series of OLT and ONU/ONT equipments: over 10 ONUs to carter for worldwide re
34、quirements Fully comply with IEEE 802.3ah and G.984 standards, support EPON and GPON card mixed-plug Abundant interfaces on OLT and ONU/ONT side Characteristic FTTx solution, support PON card mixed-plug in the existing MSAN/MDSLAM Powerful security Perfect QoS Advantages of ZTE xPON Multicast capabi
35、lity 2006, ZTE Corporation. All rights reserved. 1 2 3 4 Powerful multi-play solution, Voice, Data and Video Unified network management platform EasyService system Good Interoperability Advantages of ZTE xPON Advantages 2006, ZTE Corporation. All rights reserved. Terminals Powerful Customized Abilit
36、y NMS functions Shelf/rack Power supply Software functions Network interfaces Customized Ability Others Contents GPON Technology Active Ethernet Technology Comparison Advantages of ZTE xPON ZTE xPON Application Cases 2006, ZTE Corporation. All rights reserved. ZTE xPON Deployment ZTE FTTx total solu
37、tions have been widely deployed in operators networks since 2004. The deployment includes FTTH, FTTB, FTTC, FTTO,FTTB+LAN and FTTB+DSL, providing services such as voice, data, video and other type of applications Hubei Telecom: Voice, Internet, IPTV,CATV. FTTH and FTTBLAN Guangdong Telecom :Voice, I
38、nternet, IPTV. FTTH and FTTB Guangxi Telecom : Voice, Internet. FTTB+LAN Shanghai Telecom :Voice, Internet. FTTH （Villa） Henan Telecom: Voice, Internet. FTTH Yunnan Telecom :Voice, Internet. Chongqing Telecom: Voice, Internet. Jiangsu Telecom: Voice, Internet. FTTH Xinjiang Telecom: Data. Internet C
39、afe Fujian Telecom: Voice, Internet. FTTC+FTTH mode（ PON in MSAN） Beijing Netcom: Internet .FTTB+LAN Guangdong Netcom: Voice, Internet, Leased line. FTTH and FTTO Shandong Netcom: Voice, Internet. FTTB+LAN Henan Netcom: Voice, Internet. FTTB Sichuan Netcom Liaoning Netcom: Voice, Internet. FTTB and
40、FTTH Shanxi Netcom: Internet. FTTB and FTTO Shanghai Broadband Free Internet (Thailand) ITESS (Holland) Algeria Telecom (Algeria) TIME dotCOM (Malaysia) TM (Malaysia) PCCW (Hongkong) Telecom Italia (Italy) Integrator Telecom (Ukraine) Etheeb(Saudi Arabia) Over 50% market share in China 2006, ZTE Cor
41、poration. All rights reserved. Lower power consumption Good stability and performance Excellent development ability and fast growth 300 sets ZXDSL 9806H, each provides 50 subscribers access, covering 15000 users Application Case in Telecom Italia GPON + VDSL 2 2006, ZTE Corporation. All rights reser
42、ved. Splitter Home Splitter PC Phone Home PC Phone Phone ZXA10 C200 GE GE Splitter FE POTS FE POTS Home Internet NetNumen ZXA10 D420 ZXA10 D420 ZXA10 D420 Softswitch PC Phone PC Phone Location: Cascade, LHK User number: Over 660 users by the end of 2007 Services: VoIP and data service Application mo
43、de: FTTH, adopts 2:n Splitter for redundancy EPON Application Case in PCCW 2006, ZTE Corporation. All rights reserved. Application Cases Wuhan Application Case in China Telecom (Wuhan ) Location: Wangfu Street Garden, Derun Building, World Center/Xingyinshuixie/ Wanke Garden, etc User number: Over 3
44、500 users Services: VoIP, IPTV and data service. Data service includes Internet, VOD, FTP, online game OLT: ZXA10 C200(17) ONU: D400+IAD,D420 and F425 NMS: NetNumen Application mode: FTTH ,FTTB,FTTB+LAN 2006, ZTE Corporation. All rights reserved. OLT: ZXA10 C200 ONU: D400+IAD601 and D420 Service: Vo
45、IP, IPTV and Internet services Application mode: FTTH About 25 OLTs and 1000 ONUs by the end of 2007 Splitter(1:16) PSTN I704 ZXSS10 100Base-T 4*E1 GE GE Splitter(1:16) D420 D400 D400 D400 D420 D400 NMS Equipment Room OLT Voice Internet Application Case in China Telecom (Shanghai ) 2006, ZTE Corpora
46、tion. All rights reserved. User number: 397 users, ZXA10 C200 and ZXA10 D420/F429 The application mode :FTTH and FTTO, the services are VoIP, Internet and some E1 access for PBX E1 services: Provide PRI interface to connect with Voice network Leased line Application Case in China Netcom (Shenzhen) GE E1 GE NetNumen Equipment Room Internet Softswitch IPTV OLT TDM PC Phone PC PBX PC Phone PBX PC PC Splitter FTTH FTTO FTTO 2006, ZTE Corporation. All rights reserved. ZTE Together with You