Abstract
UltraScience Net is a network research testbed for supporting the development and testing of wide-area networking technologies for high-performance computing and storage systems. It provides dynamic, dedicated, high-bandwidth channels to support large data transfers, and also provides stable high-precision channels to support fine command and control operations. Its data-plane consists of 8,600 miles of cross-country dual OC192 backbone, which can be dynamically provisioned at different bandwidths. Its out-of-band control-plane is implemented using hardware Virtual Private Network (VPN) devices. In terms of the testbed infrastructure, it demonstrated the following capabilities: (i) ability to build and operate national-scale switched network testbeds, (ii) provisioning of suites of 1 and 10 Gbps connections of various lengths up to 70,000 and 8,600 miles, respectively, through automated scripts, (iii) secure control-plane for signaling and management operations, and (iv) bandwidth scheduler for in-advance connection reservation and provisioning. A number of structured and systematic experiments were conducted on this facility for the following tasks: (i) performance analysis and peering of layer 1-3 connections and their hybrid concatenations, (ii) scalability analysis of 8Gbps InfiniBand (IB) transport over wide-area connections of thousands of miles, (iii) diagnosis of TCP performance problems in using dedicated connections to supercomputers, (iv) detailed TCP performance analysis of wide-area application acceleration devices, and (v) TCP throughput improvements due to 10Gbps High Assurance Internet Protocol Encryptor (HAIPE) devices.
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Rao, N.S.V., Hicks, S.E., Poole, S.W., Newman, P. (2011). Testbed and Experiments for High-Performance Networking. In: Magedanz, T., Gavras, A., Thanh, N.H., Chase, J.S. (eds) Testbeds and Research Infrastructures. Development of Networks and Communities. TridentCom 2010. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 46. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-17851-1_2
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