Erforschung neuer, sicherer und effizienter Protokolle zur Streckenplanung in offenen und heterogenen Netzwerken.

本论文的主要研究内容是在开放异构网络环境下设计、分析、实现和部署新的安全高效的路由协议。路由协议是互联网的基本组成部分，现有的路由算法和协议的局限性导致了许多安全问题。具体地说，目前使用的互联网路由协议不是为了处理拜占庭故障而设计的，而是需要可信的提供商来管理基础设施。可悲的是，网络提供商往往不能信任，因为问题，如无能或恶意。现有的体系结构也使得难以建立替代的安全的ad-hoc社区网络，迫使用户使用“可信的”互联网服务提供商（ISP）来方便地访问网络。拟议工作的成功执行将使最终用户能够自由地参与完全分散的网络，而不需要可信方。它还将使现有的互联网应用程序顺利地融入或迁移到这种网络，而且还将使一系列全新的应用程序成为可能。该项目的主要挑战是提供一个分散的，可扩展的解决方案，提供所需的安全属性，理想情况下还为运营商提供经济激励，以提供优质的网络服务。所提出的设计对硬件没有不寻常的要求，并打算在对手参与网络操作的现实假设下运行。

The proposed research is about the design, analysis, implementation and deployment of new secure and efficient routing protocols for open and heterogeneous networks. Routing protocols are the fundamental building block of the Internet and many security problems arise from limitations in the existing routing algorithms and protocols. Specically, the Internet routing protocols that are currently used are not designed to handle byzantine failure and require trusted providers to manage the infrastructure. Sadly, network providers often cannot be trusted because of issues such as incompetence or malice. The existing architecture also makes it difficult to build alternative secure ad-hoc community networks, forcing users to use \trusted" Internet Service Providers (ISPs) for convenient network access. Successful execution of the proposed work will enable end-users to participate freely in fully decentralized networks without the need for trusted parties. It will also provide for smooth integration or migration of existing Internet applications to such networks, and will, moreover, enable a whole new range of applications. The main challenge of the project is to provide a decentralized, scalable solution that provides desired security properties and ideally also provides economic incentives for operators to provide quality network service. The proposed design imposes no unusual requirements on the hardware and is intented to operate under realistic assumptions about adversaries participating in the operation of the network.