EPON DOCSIS EoC

Report
DOCSIS EoC for EPON
Technology
Preparing for Triple Play
面向EPON技术的DOCSIS EoC
为三网合一做好准备
Ernie Bahm, Senior Director of Product Marketing
Ernie Bahm, 产品市场资深总监
ICTC
October 28, 2010
2010年10月28日
Broadcom Proprietary & Confidential. © 2010 Broadcom Corporation. All rights reserved.
www.broadcom.com
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Broadcom Proprietary & Confidential. © 2010 Broadcom Corporation. All rights reserved.
1
About Broadcom
关于博通
• Founded in 1991 1991年成立
• Initial public offering in April 1998 (NASDAQ-BRCM)
1998 (NASDAQ-BRCM) 初次公开发行股票
• Fortune 500 company 财富500强公司
• Global leader in semiconductors for wired and
wireless communications 全球有线和无线通讯
半导体市场的领导者
• 2009 net revenue of $4.49 billion 2009 年净收入
44.9亿美元
• Q3 2010 net revenue of $1.81 billion 2010年第三季度净收入18.1亿美元
• One of the largest volume fabless semiconductor suppliers 最大无晶圆半导体供应商之一
• Broad IP portfolio with over 14,000 U.S. and foreign patents
and applications 广泛的知识产权和超过14,000 专利申请
• Approximately 8,338 employees worldwide* 世界各地员工超过 8,338人
– $866,000 annualized net revenue per employee 平均每名雇员年增值
净额86.6万美元
* As of Q3 2010
Driving convergence through unique and innovative product offerings
通过独特创新的产品来创造新组合与应用
Broadcom Proprietary & Confidential. © 2010 Broadcom Corporation. All rights reserved.
2
Broadcom’s Global Presence
博通公司的全球分布
Sweden
Beijing
Richmond, BC
Seattle
South
Korea
Shanghai
Kanata
Edina Markham
United Kingdom
Québec
Andover
Sunnyvale
Fort Collins
Matawan
Santa Clara
Longmont
Glen Rock
San Jose
Colorado Springs
Irvine
Germantown
Dallas
Morrisville
San Diego
Tempe
Houston Duluth
Austin
Japan
Taiwan
Shenzhen
Belgium
France
Finland
Denmark
Netherlands
Germany
Greece
Israel
India
Singapore
Sydney
23 Sales / Marketing Locations
53 Design Centers
Headquarters in Irvine, CA
Worldwide locations strategically placed to serve our expanding customer base
全球战略性覆盖更好的服务于不断扩大的客户群
Broadcom Proprietary & Confidential. © 2010 Broadcom Corporation. All rights reserved.
3
The Broadcom Advantage
博通公司优势
• Broadest communications IC product portfolio
•
•
•
•
•
•
•
•
广泛的通信IC产品线
Focused on growth markets
专注成长市场
Execution and time-to-market
执行力和快速上市
Track record of winning
成功记录
Culture of innovation
创新文化
Manufacturing flexibility
The semiconductor innovator
生产灵活性
driving wired and wireless
Strong customer base
communications convergence
强大客户群
推动有线及无线通信融合的
Engineering excellence
半导体领先者
卓越工程师
Platforms to leverage market convergence
可利用市场融合的平台
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4
Industry Trends: 行业趋势:
China’s Cable Move to Triple Play and NGB
中国有线电视网向三网合一和下一代广播电视网(NGB)
转变
• The Chinese Academy of Engineering estimates that 688 billion RMB will be
invested in the Triple Network Convergence trial program by 2012*
中国工程院估计,到2012年,三网融合试验项目的投资将达到6880亿元*
• An estimated $249 billion RMB is needed for upgrading cable-TV networks to a
two-way system*
估计将有线电视网升级为双向系统需要2490亿元*
• SARFT’s goal is to provide 40 Mbps data transmission in trial cities within three
years for:
国家广播电影电视总局的目标是,3年内在试点城市提供40Mbps数据传输:
– High definition video 高清视频
– Internet services 互联网业务
– Voice services 话音业务
• Key questions: 关键问题
– How can cable operators deliver these speeds over existing cable assets?
有线电视运营商怎样才能在现有网络上提供这样的速度?
– What technology can serve voice, video and data over cable?
什么样的技术可以在有线电视网上提供话音、视频和数据业务?
– Is there a strong vendor interoperability in the technology chosen?
在所选择的技术上,不同厂商之间有良好的互通性吗?
*DigiTimes, Special Report on China’s Network Convergence, August 2010
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5
Current Situation: 目前形势:
Network Choices in China Cable Networks
中国有线电视网的网络选择
• Competitive offerings are pushing fiber deeper into the network
富有竞争力的产品正在促使光缆进一步深入到网络中
– PON-based 基于PON
• China cable operators are responding with EPON networks pushed to multidwelling units
中国有线电视运营商的应对措施是,让EPON网络延伸到多住户单元
• Final 100 meter access served by Ethernet over Cable (EoC) solutions
最后100米接入由有线电视以太网(EoC)解决方案提供
– Homeplug AV
– MoCA
– Wi-Fi
• However, current EoC solutions include the following issues:
不过,目前的EoC解决方案有以下问题:
– Many vendors with proprietary solutions are from a fragmented industry with no interoperability
很多厂商提供专有解决方案解决方案来自四分五裂的行业,没有互通性
– No standardized unsolicited Service Flow QoS tool for voice services
没有标准化的面向话音业务的自发服务流QoS工具
• What about DOCSIS in China? DOCSIS在中国有没有机会?
– Can it complement FTTB networks to strengthen cable competitiveness?
它能补充FTTB网络,以增强有线电视网的竞争力吗?
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Traditional DOCSIS Network for Triple Play
传统DOCSIS网络实现三网合一
SNMP
Manager
Syslog 管理器
Server
系统日
志服务
器
DHCPv4
Server
服务器
DHCPv6
Server
服务器
Time
Server
时间服
务器
TFTP
Server
服务器
Back Office
Network
后端网络
IPv4
CPE
CM
IPv6
CPE
CMTS
IPv4
CPE
CM
HFC
Network
网络
IPv6
CPE
Home
Network
家庭网
络
• Chinese cable operators like DOCSIS for the following reasons:
中国有线电视运营商出于以下原因而喜欢DOCSIS:
–
–
–
Many vendors have standardized solutions 很多厂商提供标准化解决方案
Consolidated industry with 100% interoperability 统一的行业,提供100%的互通性
Standardized QoS for voice services 面向话音业务的标准化QoS
• The Problem: 问题:
–
–
–
–
DOCSIS was engineered for a large subscriber count DOCSIS是为大量用户而设计的
CMTS cost was spread across 10,000+ subs CMTS费用摊在超过1万个用户身上
Chinese cable operators need to serve Multi-Dwelling Units (MDUs) with less than 200 subscribers
中国有线电视运营商需要为少于200个用户的多住户单元(MDU)提供服务
Makes DOCSIS too expensive for China cable solutions 使DOCSIS对中国有线电视解决方案来说太昂贵了
• The Question: can we combine EPON and DOCSIS for a new EoC cost-effective solution?
问题:我们能将EPON和DOCSIS结合起来,形成一种新的经济实惠的EoC解决方案吗?
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7
The Solution: Serving Cable Subscribers in China’s MDUs with
DOCSIS EoC for EPON
解决方案:用面向EPON的DOCSIS EoC为中国多住户单元中的
有线电视用户服务
Multi Dwelling Unit
多住户单元
DOCSIS EoC
Optical Line
Terminal (OLT)
光线路终端
(OLT)
Cable Modem
(CM)
有线电视调制
解调器(CM)
Optical Network
Hub
中心
Unit (ONU)
光网络
单元(ONU)
EPON Fiber
EPON光缆
Coax Media
Converter (CMC)
同轴缆媒体转
换器(CMC)
Basement
地下室
• DOCSIS EoC for EPON provides cost-effective DOCSIS for MDUs by:
面向EPON的DOCSIS EoC通过以下方式为多住户单元提供经济实惠的DOCSIS:
– Leveraging OLT engines for traffic classification and switching functions
利用OLT引擎实现流量分类和交换功能
– Taking advantage of shorter cable runs and greater bandwidth to simplify MAC and PHY functions
利用更短的电缆走线和更大的带宽简化MAC和PHY功能
• DOCSIS EoC Coax Media Converter (CMC) manages the EPON to Cable transition and contains DOCSIS
CMTS MAC and PHY functions.
DOCSIS EoC同轴缆媒体转换器(CMC)管理EPON到有线电视网的转换,并具有DOCSIS CMTS
MAC和PHY功能
• DOCSIS EoC for EPON provides seamless management of networks with FTTH ONUs and MDUs
面向EPON的DOCSIS EoC用FTTH ONU和MDU提供无缝的网络管理
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8
DOCSIS EoC for EPON Features
面向EPON的DOCSIS EoC的功能
• 8 bonded channels downstream (Annex A, B)
8条捆绑的下行线路(附录A、B)
–
Up converter supports 50 to 862 MHz
上行转换器支持50至862MHz
• 4 bonded upstream SCDMA channels
4条捆绑的上行SCDMA线路
–
5 to 65 MHz 5至65MHz
• Simplified DOCSIS MAC
简化的DOCSIS MAC
–
No PHS, AES or Logical Channel support
不支持PHS、AES或逻辑线路
• Support for China OAM messaging
commands
支持中国OAM报文传送指令
–
Unified view of EPON and DOCSIS network elements
统一的查看EPON和DOCSIS网络组件的窗口
• Easily managed by existing DOCSIS
management systems
非常容易用已有DOCSIS管理系统管理
–
DOCSIS Mediation Layer (DML®) software enables fast
EPON and DOCSIS EoC deployment
DOCSIS媒介层( DML® )软件有助于实现快速
EPON和DOCSIS EoC部署
• Industrial temp range
工业温度范围
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9
DOCSIS EoC for EPON Layering
面向EPON的DOCSIS EoC分层
China EPON OLT
with China OAM
采用中国OAM的中
国EPON OLT
CMC bridges EPON & DOCSIS.
Broadcom software converts China OAM provisioning to
manage coax link
CMC桥接EPON和DOCSIS。
Broadcom软件转换中国OAM配置,以管理同轴电
缆链路
Fiber
光缆
Optical Line
Terminal (OLT)
光线路终端(OLT)
Coax同轴电缆
Or DSG STB
或DSG机顶盒
DOCSIS
EPON
CMC
EPON
NNI
DOCSIS 2.0/ 3.0
Cable Modem
有线电视调制解调器
DOCSIS EoC
802.3ah OAM
802.3ah OAM
DOCSIS OAM
DOCSIS OAM
EPON DBA
EPON DBA
DOCSIS QoS
DOCSIS QoS
EPON MPCP
EPON MPCP
DOCSIS SCH
DOCSIS SCH
China Churning
China Churning
EPON MAC
EPON MAC
EPON Framing 成帧
EPON Framing 成帧
8b/10b
PX-10/PX-20
8b/10b
Fiber光
缆
Channel Bonding 线路捆绑
DOCSIS Framing 成帧
DOCSIS Framing 成帧
DES Encryption 加密
DES Encryption 加密
FEC
SCDMA (UP) (上行)
PX-10/PX-20
QAM (DOWN)(下行)
L2
MAC
Channel Bonding 线路捆绑
UNI
FEC
Coax同
轴电缆
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SCDMA (UP)(上行)
QAM (DOWN)(下
行)
L1
PHY
10
DOCSIS EoC for EPON Performance
面向EPON的DOCSIS EoC的性能
• DOCSIS EoC PHY layer adds advanced modulation
DOCSIS EoC PHY层增加了先进调制
• Standard DOCSIS cable modems can be used with DOCSIS EoC
标准DOCSIS有线电视调制解调器可以与DOCSIS EoC一起使用
• Shares spectrum with legacy services
与传统业务共享频谱
UPSTREAM
DOWNSTREAM
Modulation
SCDMA, 256 QAM
Modulation
QAM1024
Channel Width
6 MHz
Channel Width
6 or 8 MHz
Bandwidth/Channel
40 Mbps
Bandwidth/Channel
50 Mbps
# of Bonded Channels
4
# of Bonded Channels
8
Total Bandwidth
160 Mbps
Total Bandwidth
400 Mbps
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11
DOCSIS EoC SCDMA Burst Impulse Noise
Performance
DOCSIS EoC SCDMA突发脉冲噪声性能
DOCSIS EoC SCDMA
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DOCSIS EoC SCDMA Ingress Mitigation
减轻DOCSIS EoC SCDMA侵入噪声
Worst Case Ingress Channel
侵入噪声最严重的线路
Source of Ingress Channel: Network Reliability Council: Reliability Issues – Changing Technologies
Focus Group, New Wireline Access Technologies Subteam Final Report Appendix B
产生侵入噪声的线路:网络可靠性委员会:可靠性问题--改换技术研究小组,
新的有线接入技术分组最终报告附录B
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13
DOCSIS EoC SCDMA Ingress Mitigation
减轻DOCSIS EoC SCDMA侵入噪声
Spectrum of signal after receive Nyquist filter
40
20
Spectral Density (dB)
0
-20
-40
-60
-80
-100
-2
-1.5
-1
-0.5
0
0.5
Frequency (units of symbol rate)
1
1.5
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DOCSIS EoC QAM1024 Downstream
DOCSIS EoC QAM 1024下行线路
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15
DOCSIS EoC for EPON
面向EPON的DOCSIS EoC
Management
管理
www.broadcom.com
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16
EPON and DOCSIS EoC Unified Management
EPON和DOCSIS EoC的统一管理
OLT – [TK3723] 0x000DB6723003
ONU – [TK3714] 0x000DB6714001
ONU – [TK3714] 0x000DB6714002
ONU – [TK3714] 0x000DB6714003
ONU – [TK3714] 0x000DB6714004
CMC – [BCM3218/3141] 0x000DB6820001
Multiple LLIDs (service flows)
多个LLID(服务流)
SLA: Min BW, Max BW, MBS
Queue Config 队列配置
VLAN Rules VLAN规则
Statistics 统计
Port Filters 端口滤波器
CM – [BCM3382] 0x000DB6801001
CM – [BCM3382] 0x000DB6801002
CM – [BCM3382] 0x000DB6801003
CM – [BCM3382] 0x000DB6801004
CMC – [BCM3218/3141] 0x000DB6820002
CM – [BCM7019] 0x000DB6801005
CM – [BCM7019] 0x000DB6801006
CM – [BCM7019] 0x000DB6801007
Multiple LLIDs (service flows)
多个LLID(服务流)
SLA: Min BW, Max BW, MBS
Queue Config 队列配置
VLAN Rules VLAN规则
Statistics 统计
Port Filters 端口滤波器
• OLT has management visibility for both ONUs and cable modems
OLT对ONU和有线电视调制解调器可透明管理
• China OAM provisions ONUs and cable modems
中国OAM配置ONU和有线电视调制解调器
Same QoS and provisioning for fiber and coax
光缆和同轴电缆有相同的QoS和配置
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17
Cable Market Solutions –
DOCSIS Mediation Layer (DML®)
有线电视市场解决方案-- DOCSIS媒介层( DML® )
SNMP
Manager
SNMP
Manager
IPv4
CPE
Syslog
Server
CM
IPv6
CPE
DHCPv4
Server
ONU
IPv6
CPE
DHCPv4
Server
D
M
L
CMTS
DHCPv6
Server
IPv4
CPE
CM
Time
Server
IPv6
CPE
TFTP
Server
Back Office
Network
HFC
Network
IPv4
CPE
Syslog
Server
Enables cable operators
to utilize EPON and EoC
while leveraging DOCSIS
back-office infrastructure
DHCPv6
Server
Home
Network
OLT
IPv4
CPE
ONU
Time
Server
IPv6
CPE
TFTP
Server
Back Office
Network
PON
Home
Network
• DML® Deployment Scenarios
DML® 部署方案
– Runs on independent server
在独立的服务器上运行
– Integrated with the OLT
controller
与OLT控制器集成
DOCSIS over EPON in Access Network 接入网络中EPON之上的DOCSIS
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18
DOCSIS EoC for EPON Summary
面向EPON的DOCSIS EoC总结
• Triple play and provisional consolidation drive the need for
better EoC
三网合一和临时合并促进了对更好的EoC的需求
• China EPON management extended to coax
中国的EPON管理延伸到了同轴电缆
– Common management for fiber and coax
共用的光缆和同轴电缆管理
• Competitive cost
富有竞争性的成本
– CMC operator costs is competitive with current EoC solutions
采用目前的EoC解决方案,CMC运营商的成本富有竞争性
– DOCSIS 2.0 or DOCSIS 3.0 cable modems
DOCSIS 2.0或DOCSIS 3.0有线电视调制解调器
• Bandwidth beyond today’s EoC technologies
带宽超越今天的EoC技术
– 160Mbps upstream/400Mbps downstream 160Mbps上行/400Mbps下行
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19
Thank You
谢谢
www.broadcom.com
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20

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