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首页> 外文会议>Conference on Optical Transmission Systems and Equipment for WDM Networking, Jul 29-31, 2002, Boston, USA >GMPLS-Based Control Plane for Optical Networks: Early Implementation Experience
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GMPLS-Based Control Plane for Optical Networks: Early Implementation Experience

机译：基于GMPLS的光网络控制平面：早期实施经验

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摘要

Generalized Multi-Protocol Label Switching (GMPLS) extends MPLS signaling and Internet routing protocols to provide a scalable, interoperable, distributed control plane, which is applicable to multiple network technologies such as optical cross connects (OXCs), photonic switches, IP routers, ATM switches, SONET and DWDM systems. It is intended to facilitate automatic service provisioning and dynamic neighbor and topology discovery across multi-vendor intelligent transport networks, as well as their clients. Efforts to standardize such a distributed common control plane have reached various stages in several bodies such as the IETF, ITU and OIF. This paper describes the design considerations and architecture of a GMPLS-based control plane that we have prototyped for core optical networks, Functional components of GMPLS signaling and routing are integrated in this architecture with an application layer controller module. Various requirements including bandwidth, network protection and survivability, traffic engineering, optimal utilization of network resources, and etc. are taken into consideration during path computation and provisioning. Initial experiments with our prototype demonstrate the feasibility and main benefits of GMPLS as a distributed control plane for core optical networks. In addition to such feasibility results, actual adoption and deployment of GMPLS as a common control plane for intelligent transport networks will depend on the successful completion of relevant standardization activities, extensive interoperability testing as well as the strengthening of appropriate business drivers.
机译：通用多协议标签交换（GMPLS）扩展了MPLS信令和Internet路由协议，以提供可扩展，可互操作的分布式控制平面，该控制平面适用于多种网络技术，例如光交叉连接（OXC），光子交换机，IP路由器，ATM交换机，SONET和DWDM系统。它旨在促进跨多供应商智能传输网络及其客户端的自动服务供应以及动态邻居和拓扑发现。标准化这样的分布式公共控制平面的努力已经在多个机构（例如IETF，ITU和OIF）中达到了各个阶段。本文描述了我们为核心光网络原型化的基于GMPLS的控制平面的设计考虑因素和体系结构，GMPLS信令和路由的功能组件已与应用层控制器模块集成在此体系结构中。在路径计算和供应期间，要考虑各种要求，包括带宽，网络保护和生存能力，流量工程，网络资源的最佳利用等。我们的原型的初步实验证明了GMPLS作为核心光网络的分布式控制平面的可行性和主要优势。除了这些可行性结果之外，GMPLS作为智能传输网络的通用控制平面的实际采用和部署还取决于成功完成相关的标准化活动，广泛的互操作性测试以及增强适当的业务驱动力。

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