The Next Generation Network(NGN)(Softswitch)is a universal multi-service network designed for the transmission of voice,video and data on a packet switching basis.It is based on the IP bearer network.This article anal...The Next Generation Network(NGN)(Softswitch)is a universal multi-service network designed for the transmission of voice,video and data on a packet switching basis.It is based on the IP bearer network.This article analyzes the features of different bearer modes in the respects of QoS,security and resource utilization.In order to bear NGN,QoS requirements should not be ignored.For this reason,QoS requirements are described from the view of delay,jitter,packet loss rate and bandwidth.At the end of this article,ZTE's networking solution is given.展开更多
ZTE Corporation, a leading global provider of telecommunications equipment and network solutions, announced an agreement with Westlink part of the Finish telecommunications group Finnet, to supply a unified multi-serv...ZTE Corporation, a leading global provider of telecommunications equipment and network solutions, announced an agreement with Westlink part of the Finish telecommunications group Finnet, to supply a unified multi-service metro bearer solution on February 18, 2010.展开更多
IPTV uses the broadband Internet infrastructure,IP transfer technology,and TV or PC as the medium terminal to provide subscribers with basic,digital media services.This article analyzes the characteristics of IPTV ser...IPTV uses the broadband Internet infrastructure,IP transfer technology,and TV or PC as the medium terminal to provide subscribers with basic,digital media services.This article analyzes the characteristics of IPTV services in traffic flow and authentication,and their requirements for the bearer network.It introduces ZTE's solution to IPTV services and a successful application case in India.展开更多
ZTE Corporation announced the formal launch of its new generation IPTN bearer network solution targeting mobile backhaul and multi-service delivery to meet the needs of IP-based services on August 27,2009.It features ...ZTE Corporation announced the formal launch of its new generation IPTN bearer network solution targeting mobile backhaul and multi-service delivery to meet the needs of IP-based services on August 27,2009.It features packet展开更多
为支撑5G-R(5th Generation Mobile Communication Technology for Railway)建设,需构建具备高隔离、高可靠、可管可控特性的新一代承载网络。文章对比分析了切片分组网(SPN)、IP无线接入网(IPRAN)与光传送网(OTN)等3种主流承载技术,并...为支撑5G-R(5th Generation Mobile Communication Technology for Railway)建设,需构建具备高隔离、高可靠、可管可控特性的新一代承载网络。文章对比分析了切片分组网(SPN)、IP无线接入网(IPRAN)与光传送网(OTN)等3种主流承载技术,并通过实验验证及性能测试,评估其在切片隔离性、传输时延、时间同步等方面的表现。研究表明,SPN技术深度融合时分复用与分组交换优势,支持从L1到L3的综合业务承载,具备硬隔离切片、超高精度同步、多业务融合承载等关键能力,能够有效满足铁路5G-R及既有通信业务的高安全、高可靠承载要求,具备良好推广前景。展开更多
基于互联网协议第6版(Internet Protocol version 6,IPv6)的段路由(Segment Routing over IPv6,SRv6)技术,凭借其在显著简化网络协议、提供强大网络编排与扩展能力方面的突出优势,已成为推动传统网络向新型智能网络演进的关键技术。面...基于互联网协议第6版(Internet Protocol version 6,IPv6)的段路由(Segment Routing over IPv6,SRv6)技术,凭借其在显著简化网络协议、提供强大网络编排与扩展能力方面的突出优势,已成为推动传统网络向新型智能网络演进的关键技术。面向专用信息网络转型升级需求,重点研究基于SRv6的数据转发模式,旨在提升网络资源利用效率和业务动态承载能力。首先,分析SRv6段路由机制在源路由设计和流量工程方面的转发特性。其次,设计适用于专用信息网络的SRv6数据转发方案,包括基于Segment List的显式路径控制、策略路由部署及与以太网虚拟专用网络(Ethernet Virtual Private Network,EVPN)融合的业务承载机制。最后,搭建实验环境,对SRv6数据转发过程中的关键功能进行验证,包括报文封装与处理流程、策略隧道路径调优能力以及故障场景下的快速重路由性能。实验结果表明,所提出的SRv6转发模式能够实现业务流量的灵活调度、区分服务保障及路径快速自愈,为构建可编程、智能化的专用信息网络奠定了基础。展开更多
针对5G增强型移动宽带(Enhanced Mobile Broadband,eMBB)、超高可靠与低时延通信(Ultra-reliable and Low Latency Communications,uRLLC)、海量物联网通信(Massive Machine-Type Communications,mMTC)三大场景的差异化传输承载需求,传...针对5G增强型移动宽带(Enhanced Mobile Broadband,eMBB)、超高可靠与低时延通信(Ultra-reliable and Low Latency Communications,uRLLC)、海量物联网通信(Massive Machine-Type Communications,mMTC)三大场景的差异化传输承载需求,传统技术在带宽灵活性、时延控制及可靠性方面存在明显不足。文章设计“接入层-汇聚层-核心层”3级传输承载架构,融合网络切片、时间敏感网络(Time-Sensitive Networking,TSN)技术及动态带宽调度算法,从带宽动态适配、低时延传输、多业务资源调度及链路故障恢复4个方面进行优化。展开更多
文摘The Next Generation Network(NGN)(Softswitch)is a universal multi-service network designed for the transmission of voice,video and data on a packet switching basis.It is based on the IP bearer network.This article analyzes the features of different bearer modes in the respects of QoS,security and resource utilization.In order to bear NGN,QoS requirements should not be ignored.For this reason,QoS requirements are described from the view of delay,jitter,packet loss rate and bandwidth.At the end of this article,ZTE's networking solution is given.
文摘ZTE Corporation, a leading global provider of telecommunications equipment and network solutions, announced an agreement with Westlink part of the Finish telecommunications group Finnet, to supply a unified multi-service metro bearer solution on February 18, 2010.
文摘IPTV uses the broadband Internet infrastructure,IP transfer technology,and TV or PC as the medium terminal to provide subscribers with basic,digital media services.This article analyzes the characteristics of IPTV services in traffic flow and authentication,and their requirements for the bearer network.It introduces ZTE's solution to IPTV services and a successful application case in India.
文摘ZTE Corporation announced the formal launch of its new generation IPTN bearer network solution targeting mobile backhaul and multi-service delivery to meet the needs of IP-based services on August 27,2009.It features packet
文摘为支撑5G-R(5th Generation Mobile Communication Technology for Railway)建设,需构建具备高隔离、高可靠、可管可控特性的新一代承载网络。文章对比分析了切片分组网(SPN)、IP无线接入网(IPRAN)与光传送网(OTN)等3种主流承载技术,并通过实验验证及性能测试,评估其在切片隔离性、传输时延、时间同步等方面的表现。研究表明,SPN技术深度融合时分复用与分组交换优势,支持从L1到L3的综合业务承载,具备硬隔离切片、超高精度同步、多业务融合承载等关键能力,能够有效满足铁路5G-R及既有通信业务的高安全、高可靠承载要求,具备良好推广前景。
文摘针对5G增强型移动宽带(Enhanced Mobile Broadband,eMBB)、超高可靠与低时延通信(Ultra-reliable and Low Latency Communications,uRLLC)、海量物联网通信(Massive Machine-Type Communications,mMTC)三大场景的差异化传输承载需求,传统技术在带宽灵活性、时延控制及可靠性方面存在明显不足。文章设计“接入层-汇聚层-核心层”3级传输承载架构,融合网络切片、时间敏感网络(Time-Sensitive Networking,TSN)技术及动态带宽调度算法,从带宽动态适配、低时延传输、多业务资源调度及链路故障恢复4个方面进行优化。
