VPLS

The control plane is the key component of VPLS .

控制平面的信令协议为VPLS数据转发提供控制信息，是VPLS模块中的关键部分。

VPLS data control layer research .

VPLS数据控制层的研究。

In order to improve its scalability , a hierarchical VPLS model is introduced .

为了提高VPLS的扩展性，文中提出了分层VPLS模型。

VPLS consists of two planes : control plane and forwarding plane .

VPLS协议主要分为控制平面和数据平面。

Study on the Delivery of Multicast Traffic in VPLS Using Aggregated Multicast Trees

VPLS中基于共享聚合树的组播问题研究

The load - sharing research of VPLS .

基于VPLS的负载分担方案的研究。

VPLS Technology and Its Application of Metro Ethernet

VPLS技术及其在城域以太网中的应用

An Implementing Solution of VPLS Forward Platform

VPLS转发平台的实现方案

Study on the Delay-constrained Multicast Issue in VPLS Networks

VPLS中具有时延约束机制的组播问题研究

At the same time I analyze Dual Homing , Failure Recovery and scalability of VPLS .

同时对路由设备的主备切换，故障恢复以及VPLS的可扩展性问题进行了探讨。

C ) VPLS ( VP-PLS ) based quality and cost control ; d ) Sensor faults isolation methods ;

3）基于VPLS（Vp-PLS）算法的质量与费用控制，提高监控系统对微弱故障的检测能力；

At present , there are two primary signaling protocols for VPLS , BGP and LDP .

目前可采用BGP、LDP作为VPLS的信令协议。

Implementation , problem and solutions to LDP-based VPLS

基于LDP的VPLS实现、问题及解决方案

The advantage of VPLS is its speed of transmission and flexibility and the disadvantage of it is lack of scalability .

基于L2VPN的VPLS技术在传输速度和灵活性上的优势更为明显。

This paper introduces VPN technology , IP / MPLS protocol and VLAN technology at first , all of which is related to VPLS closely .

本文首先介绍了与VPLS密切相关的VPN技术，MPLS协议，VLAN技术，并且结合以上三种技术阐述了VPLS的基本原理。

MPLS technology is also widely used in VPN fields . The paper analyzed and discussed VPLS , one of the applications in VPN , and its key technology .

另外，结合MPLS在虚拟专用网（VPN）中的应用，分析讨论了当前应用最为广泛的虚拟私有局域网（VPLS）技术的工作流程及其关键技术。

Owing to its unique technical advantages , the applications of VPLS may cover lay2 VPN for business customers , municipal communication infrastructure and personal distributed services , etc.

基于其独特的技术优势，VPLS可以提供大客户二层VPN、城域基础网络建设、个人分布式业务等多个层次的应用。

Label distribution protocol ( LDP ) based virtual private LAN services ( VPLS ) has been widely used and is competitive to become the IETF standard of VPLS .

基于标签分布协议（LDP）的虚拟专用局域网（VPLS）是应用较广、得到众多厂商支持的一种VPLS方案，并且有望成为IETF标准。

By building a full-mesh of pseudo-wires between PE nodes and mapping traffic onto MPLS LSP tunnels , VPLS carries different kinds of services for customers .

通过在PE节点之间建立全网状的伪线互连，利用MPLS的标签交换路径建立数据转发隧道，完成对用户业务的承载。

Finally , based on the forementioned analysis and according to the system structure of863 Terabit router and other factors , a scheme of implementing VPLS in terabit router system is presented .

基于上述研究成果，在结合T比特路由器系统结构并综合考虑各种因素的基础上，本文给出了VPLS在T比特路由器中的实现方案。

VPLS is an alternative technology based on MPLS to offer LAN services over WAN . It enables Ethernet multipoint services over a packet network infrastructure , which satisfies the development of the network .

VPLS是一项利用MPLS实现跨域广域网提供LAN业务的技术，它使得在基于包交换的网络架构上可以实现多点服务，适应了网络发展的需要。

To simplify the configuration of VPLS , it 's necessary to introduce Auto - Discovery mechanism in VPLS for PEs to automatically establish VC with all the other PEs .

所以有必要引入PE自动发现机制以简化VPLS中VC的配置过程。

The system and standard drafts of metro Ethernet are expatiated in detail and the service mode , technologies & solutions of VPLS / VPWS-based of metro Ethernet are also described with emphasis .

通过对城域以太网体系架构和标准草案进展的阐述，重点介绍了城域以太网业务模型、基于VPLS/VPWS的城域以太网技术以及相应的解决方案。

VPLS ( Virtual Private LAN Service ) to enable the site to users through WAN connected and the effect of links between different sites the same as links in a virtual local area network ( LAN ) .

VPLS（VirtualPrivateLANService，虚拟局域网服务）使地域上隔离的用户站点能够通过城域网（WAN）相连，并且使各个站点的连接效果像在一个虚拟局域网（LAN）中一样。

Based on the hierarchical VPLS solution of IETF , the authors discuss two practical networking designs , which connect VPLS networks with different grade , to reduce the amount of pseudo wire , avoid full mesh problem , and improve the scalability of the VPLS networks .

本文在IETF层次化VPLS解决方案的基础上，设计出两个避免全网格问题的组网方案，利用连接不同级别的VPLS网络，减少虚电线的数量和提高网络的可扩展性。

A new service named virtual private LAN service ( VPLS ) has been created to meet the requirement of those customers who want higher bandwidth than that of FR / ATM based VPNs . Based on IP / MPLS , VPLS supports highly scalable multi-point connectivity .

为了满足一些要求比基于帧中继的VPN更高带宽的客户，出现了一种新的业务，即虚拟专用局域网业务（VPLS），它使用IP/MPLS来提供高度可扩展的任意连通性。

In virtue of the above all , this paper designs a testing scheme which is based on the real situation of a Board Band IP network in ChangSha city , and has finished it with the four various mechanism , they are L2TP , VPLS , MSTP and DDN .

在详细分析长沙市本地宽带城域网的实际情况后，设计了针对L2TP、VPLS、MSTP、DDN专线共4种方式的VPN技术的隧道机制测试方案。