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武汉光电论坛第120期: 中心局网络重构

来源:武汉光电国家实验室(筹)    作者:    发布时间:2017年05月02日

武汉光电论坛第120期


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报告题目:中心局网络重构

Central Office Re-architectured Network as Datacenter


时    间:2017年5月11日16:00-18:00

地    点:光电国家实验室A101

报 告 人:胡卫生  教授,上海交通大学

邀 请 人:光电子器件与集成功能实验室  


报告人简介:

胡卫生,上海交通大学特聘教授。先后毕业于清华大学(86年学士)、北京科技大学(89年硕士)和南京大学(97年博士),1999年于上海交通大学通信与信息系统博士后流动站出站后留校任教,被评聘为教授,2009年起为特聘教授。先后担任区域光纤通信网与新型光通信系统国家重点实验室主任和主任、电子工程系党总支书记、国家983计划“中国高速信息示范网”和“高性能宽带信息网”总体组专家等。担任Optics Express、Journal of Lightwave Technology、Chinese Optics Letter、China Communications等期刊编委,OFC等国际会议TPC委员等。获国家自然科学基金杰出青年科学基金,国务院政府特殊津贴,百千万人才工程,全国优秀博士学位论文导师等。参研成果获国家科技进步二等奖2项。主要从事光传送网、数据中心光网络和宽带光接入网的研究。


Biography:

Weisheng Hu is a distinguished professor of Shanghai Jiao Tong University. He received his B.S, M.S, and Ph.D from Tsinghua University, Beijing University of Science & Technology, and Nanjing University in 1986, 1989 and 1997 respectively. He joined Shanghai Jiao Tong University as post-doctor from 1997 to 1999, and was then promoted to a full professor in 1999 and a distinguished professor in 2009. He served as expert in national projects CAINONET and 3TNET during 1999 and 2006, and deputy director and director of State Key Laboratory of Advanced Optical Communication Systems and Networks during 2002 and 2012, and the leader of Department of Electronic Engineering in 2013. He serves in several editorial boards including Optics Express, Journal of Lightwave Technology, Chinese Optics Letters and China Communications. Also he served in program committees of a number of international conference, including OFC, ICC, INFOCOM, OPTICS-East, ACP and others. He has published over 400 peer-reviewed journal/conference papers, and presented 30 invited conference papers at OFC, ECOC, CLEO/Pacific Rim. He wan some awards, such as two second prize of National Science and Technology Progress Awards, a National Natural Science Funds for Distinguished Young Scholar; and a National Key Talent Project Award. His research area covers the optical transport network, data center optical switching, and next-generation fiber access network.


报告摘要:

本报告包括三个关键词:中心局、网络、重构。中心局是运营商最重要的业务资产,是离用户最近的网络设备的家,装载了大量的新老接入设备,传统的电信机房是一种“黑盒子”解决方案,运营商被迫捆绑于某一设备供应商,造成设备种类繁多、运维成本居高不下、更新升级困难的窘境。网络就是信息高速公路,传统的网络只是信息的传输者,今天的网络除了作为信息的传输者,更重要的还是信息的存储库和信息的源泉,由此带来了网络架构的变革,这种变革从引入数据中心开始。传统的网络因业务而生并随之固化,缺少弹性和开放性;未来的网络则是包容万物的,计算无处不在,软件定义一切,连接随手可及,宽带永无止境,数据融入智慧。于是,必然要引入第三个关键词:重构。本报告侧重于中心局网络的重构,业界称之为CORD,重点解读三个应用场景:R(Residential)-CORD面向家庭住宅场景、M(mobile)-CORD面向4G/5G移动网络、E(Enterprise)-CORD面向政企用户场景。可以畅想,某一天我们重返中心机房,一切都是陌生的,原来的设备都被肢解了,机房变成了云化的数据中心。这就是电信业正在发生的一次剧变,这种剧变才刚刚开始。



Abstract: 

Just as the title implies, this presentation includes three key words: central office, network, and re-architecture. Firstly, the central office is regarded as the most important asset of operators, and is the closest buildings to the users. It accommodates a lot of network equipment, from quite earlier old to the newest ones. Traditionally, it takes a "black box" solution, and operators are so forced to bind their solutions to the venders, which causes a large variety of equipment types, high operation and maintenance costs, and hard to upgrade. Secondly, the network is really the information superhighway, and traditionally, it provides transformation of information across the world. Today, however, except for information transportation, what is most important, it also acts as repository and source of information with the emergence of data center inside the network. The traditional network is established and so fixed to some given services, and is so lack of flexibility and openness. The future network will be an all-round player, which will integrate with ubiquitous computing, software defined hardware, being readily accessible, with continuous increasing bandwidth, everything connected, and even intelligence everywhere. Therefore, it needs to introduce the third key words: re-architecture. Herewith this presentation will focuses on the Central Office Re-architectured network as Datacenter, which is called as CORD as an open project. Typically, it has three application scenarios: R (Residential)-CORD with fiber access, M (mobile)-CORD for 4G/5G, and E (Enterprise)-CORD for industry. Let’s imagine that, one day in the near future, when we return to the central office, everything is changed. All the traditional equipment have been disaggregated, and all are re-architectured as data center. This is the undergoing telecommunications transformation and will be evolved for a quite long period.



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