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[ "顾仁涛,男,博士,北京邮电大学信息与通信工程学院副教授,主要研究方向为宽带网络与网络行为分析。先后主持和参加宽带网络领域基金项目10余项,获得中国产学研合作创新成果奖1 次、中国通信学会科学技术奖 2 次,发表 SCI/EI 检索论文40余篇,申请国家/国际发明专利20余项。" ]
网络出版日期:2015-10,
纸质出版日期:2015-10-20
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顾仁涛. 光接入网演进趋势展望:软件定义的光接入网[J]. 电信科学, 2015,31(10):57-65.
Rentao Gu. Optical Access Network Evolution Trends:Software Defined Optical Access Network[J]. Telecommunications science, 2015, 31(10): 57-65.
顾仁涛. 光接入网演进趋势展望:软件定义的光接入网[J]. 电信科学, 2015,31(10):57-65. DOI: 10.11959/j.issn.1000-0801.2015271.
Rentao Gu. Optical Access Network Evolution Trends:Software Defined Optical Access Network[J]. Telecommunications science, 2015, 31(10): 57-65. DOI: 10.11959/j.issn.1000-0801.2015271.
快速增长的新型网络业务和层出不穷的网络应用场景不断对现有网络架构造成冲击,构建高速、高效的新型接入网体系成为发展的必然。首先分析了现有网络面临的挑战,指出高速带宽接入、高效资源利用、支持异构资源管控为目标的光接入网将是未来光接入网的重要演进趋势;进而回顾了接入网发展历程,描述了软件定义光接入网总体架构,在光接入网引入SDN思想和OLT池化技术,分析了灵活可编程光层、精细化流表转发、控制层虚拟化等各层次主要关键技术,给出了适用于软件定义光接入网的典型应用场景,最后预见研究和发展软件定义光接入网将对迎接当前网络挑战以及最终实现全程全网的灵活管控具有重要意义。
The rapid growth of new services and emerging network scenarios has serious impact on the existing network infrastructure,and it is an inevitable trend to build a new,high-speed and efficient access network architecture.The challenges faced by the existing network were analyzed,and it was pointed out that high-speed broadband access,efficient resource utilization,support for heterogeneous resource control would be future trends in the evolution of optical access networks.Then the access network development was recalled,the overall architecture of software-defined optical access network was described,SDN idea and OLT pooling technology were introduced into optical access network,and the major key technologies were analyzed,including the flexible programmable optical layer techniques,fine flow table forwarding,control layer virtualization,and etc.Several typical application scenarios suitable for software-defined optical access network were also presented.All of these indicate that the research and development on software-defined optical access network will meet current challenges and ultimately be helpful to achieve the end-to-end flexible control in the entire network.
Cisco visual networking index:forecast and methodology . http://www.cisco.com/c/en/us/solutions/collateral/service-provider/ipngn-ip-next-generation-network/white_paper_c11-481360.html http://www.cisco.com/c/en/us/solutions/collateral/service-provider/ipngn-ip-next-generation-network/white_paper_c11-481360.html , 2014
Cisco visual networking index:global mobile data traffic forecast update . http://www.cisco.com/en/US/solutions/collateral/ns341/ns525/ns437/ns705/ns827/white_paper_c11-520862.html http://www.cisco.com/en/US/solutions/collateral/ns341/ns525/ns437/ns705/ns827/white_paper_c11-520862.html , 2014
Luo Y Q , Zhou X P , Effenberger F , et al . Time-and wavelength-division multiplexed passive optical network (TWDM-PON)for next-generation PON stage 2 (NG-PON2) . Journal of Lightwave Technology , 2013 , 31 ( 4 ): 587 ~ 593
Lin B J , Li J H , Yang H , et al . 100-Gbit/s multi-band OFDM-PON based on polarization interleaving and direct detection . Proceedings of Asia Communications and Photonics Conference , Guangzhou,China , 2012
René-Jean E , Kramer G , Winzer P J , et al . Capacity limits of optical fiber networks . Journal of Lightwave Technology , 2010 , 28 ( 4 ): 662 ~ 701
Liu C , Sundaresan K , Jiang M L , et al . The case for re-configurable backhaul in cloud-RAN based small cell networks . Proceedings of INFOCOM , Turin,Italy , 2013 : 1124 ~ 1132
Orphanoudakis T G , Kosmatos E , Angelopoulos J D , et al . Exploiting PONs for mobile backhaul . IEEE Communications Magazine , 2013 , 51 ( 2 ): S27 ~ S34
Ma Y R , Xu Z G , Lin H F , et al . Demonstration of CPRI over Self-seeded WDM-PON in commercial LTE environment . Proceedings of Optical Fiber Communication Conference(OFC) , California,USA , 2015
Kim H , Feamster N . Improving network management with software defined networking . IEEE Communication Magazine , 2013 , 51 ( 2 ): 114 ~ 119
ETSI GS NFV.Network functions virtualisation (NFV);use cases V1.1.1 . http://www.etsi.org/deliver/etsi_gs/NFV/001_099/001/01.01.01_60/gs_NFV001v010101p.pdf http://www.etsi.org/deliver/etsi_gs/NFV/001_099/001/01.01.01_60/gs_NFV001v010101p.pdf , 2013
ATIS-I-0000044.Operational Opportunities and Challenges of SDN/NFV Programmable Infrastructure , 2013
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