NeTS-NBD Collaborative Research: SOON: Service-Oriented Optical Networks

许多新兴的下一代互联网应用，如视频会议、多媒体分发和高性能科学计算，都具有高带宽要求、多源和多目的地通信模式、关于延迟和丢失的严格服务质量(Qos)要求以及高可靠性和可生存性要求。为了支持这些多样化的要求，新兴网络必须能够以灵活的方式管理资源。该项目研究了一种面向服务的光网络体系结构，该体系结构由能够动态和灵活地分配资源的底层光传输网络实现。光传输层提供用于预留资源的基本机制，而光服务层在基本光传输层上建立一组服务。在该项目中，需要解决的具体问题包括1)研究用于支持光网络中的多播通信服务的机制，2)研究用于在这种网络中提供生存性的机制，以及3)开发用于支持光网络中的可靠传输的方法。拟议的活动将产生一个框架和架构，用于在光网络中部署各种服务，以支持要求最苛刻的下一代应用的要求。该项目还将开发用于实施多播和提供可靠服务的新算法和协议，并将开发用于评估这些算法和协议的分析模型。拟议活动的更广泛影响是，它将为研究生提供宝贵的培训，为他们在光纤网络领域的研究和工程生涯做好准备。

Many emerging next-generation Internet applications, such as videoconferencing, multimedia distribution, and high-performance scientific computing, are characterized by high bandwidth requirements, multi-source and multi-destination communication paradigms, strict quality of service (QoS) requirements with respect to delay and loss, and high reliability and survivability requirements. In order to support these diverse requirements, emerging networks must be able to manage resources in a flexible manner. This project investigates a service-oriented optical network architecture that is enabled by an underlying optical transport network capable of dynamic and agile resource allocation. An optical transport layer provides the basic mechanisms for reserving resources, and an optical service layer builds a set of services over the basic optical transport layer. In the project, specific problems to be addressed include 1) investigating mechanisms for supporting manycast communication services in optical networks, 2) investigating mechanisms for providing survivability in such networks, and 3) developing methods for supporting reliable transport in optical networks. The proposed activity will result in a framework and an architecture for deploying a wide range of services in optical networks in order to support the requirements of the most demanding next-generation applications. The project will also result in the development of new algorithms and protocols for implementing manycasting and providing reliable services, and will lead to the development of analytical models for evaluating these algorithms and protocols. The broader impact of the proposed activity is that it will provide valuable training for graduate students, preparing them for careers in research and engineering in the field of optical networking.