NeTS: Medium: Collaborative Research: A Software Defined Internet Exchange

NeTS：媒介：协作研究：软件定义的互联网交换

• 批准号: 1420064
• 负责人: Scott Shenker
• 金额: $ 35万
• 依托单位: International Computer Science Institute
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2014
• 资助国家: 美国
• 起止时间: 2014-10-01 至 2018-09-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1420064&HistoricalAwards=false
• 关键词: NeTS; Medium; Collaborative; Research; Software

The Border Gateway Protocol(BGP) is the protocol used to administer and control the flow of traffic between the separately administered networks that connect together to form the Internet. Because many of the current failings of the Internet are due to BGP's poor performance and limited functionality, this project aims to explore incrementally deployable ways to leverage Software-Defined Networking's (SDN) power to improve interdomain routing. These improvements will facilitate higher return on investment via load balancing and traffic engineering, increased capabilities to respond to denial-of-service attacks, and new services such as application specific peering where two networks exchange traffic only for certain applications (e.g., video). Additionally, the project will improved the ability of network operators to track and engineer peering relationships based on traffic volume.This project exploits the re-emergence of Internet eXchange Points (IXPs) to create Software Defined eXchanges (SDXs) that fundamentally change network control. The project has two major themes: (1) near-term solutions that coexist with BGP; and (2) long-term solutions that replace BGP entirely, using IXPs as the dominant mode of interconnection. In terms of near-term solutions, the central intellectual question explores the improvements that are possible when a single IXP deploys SDN-based technology. Longer term, assuming that SDXes will one day become more prominent, the project is developing solutions that replace BGP entirely with an SDX-mediated Internet, where all peering takes place at these interconnection points. Such a design would make policy only relevant to the endpoints (the sending and receiving domains) and would eliminate policy complications from intermediate providers. The project is also investigating how these endpoint policies might emerge, how the inter-SDX routing is done, how the longer-term design might be incrementally deployed, and what its impact might be in the provider ecosystem. The SDX design may point the way to a more stable, secure, and economically sound Internet.

边界网关协议（BGP）是用于管理和控制单独管理网络之间的流量的协议，这些网络将连接在一起以形成Internet。 由于互联网当前的许多失败是由于BGP的性能差和功能有限，因此该项目旨在探索可逐步部署的方式，以利用软件定义的网络（SDN）功率来改善域间路由。 这些改进将通过负载平衡和交通工程促进更高的投资回报率，增加对拒绝服务攻击的能力以及新服务（例如，特定于应用程序的同意），其中两个网络仅用于某些应用程序（例如，视频）。 此外，该项目将提高网络运营商根据流量量跟踪和工程的对等关系的能力。该项目利用了Internet交换点（IXPS）的重新出现来创建软件定义的交换（SDXS），从而从根本上改变网络控制。 该项目有两个主要主题：（1）与BGP共存的近期解决方案； （2）使用IXP作为互连的主要模式，完全取代BGP的长期解决方案。 在近期解决方案方面，核心智力问题探讨了单个IXP部署基于SDN的技术时的改进。 从长远来看，假设SDXES有一天会变得更加突出，则该项目正在开发解决方案，这些解决方案完全用SDX介导的Internet完全取代BGP，所有对等都在这些互连点进行。这样的设计将使政策仅与端点（发送和接收域）相关，并将消除中间提供商的政策并发症。该项目还正在研究这些终点政策如何出现，如何完成SDX路由，如何逐步部署长期设计以及在提供商生态系统中的影响。 SDX设计可能会指向更稳定，安全和经济上合理的互联网。