Abstract
This chapter describes ExoGENI, a multi-domain testbed infrastructure built using the ORCA control framework. ExoGENI links GENI to two advances in virtual infrastructure (IaaS) services outside of GENI: open cloud computing (OpenStack) and dynamic circuit fabrics. It orchestrates a federation of independent cloud sites and circuit providers through their native IaaS interfaces, and links them to other GENI tools and resources. ExoGENI slivers are instances of basic IaaS resources: variously sized virtual machines, bare-metal nodes, iSCSI block storage volumes, and Layer 2 network links with optional OpenFlow control.
ExoGENI offers a powerful unified hosting platform for deeply networked, multi-domain, multi-site cloud applications. ExoGENI operates its own stitching engine and Layer 2 (L2) network exchanges that work in concert to interconnect the sites with dynamic point-to-point and multi-point L2 links via multiple circuit providers. It also supports stitchports—named attachment points enabling direct L2 connections to resources outside the system’s control.ExoGENI is seeding a larger, evolving platform linking third-party cloud sites, transport networks, new resource types, and other infrastructure services. It facilitates real-world deployment of innovative distributed services, leading to a new vision of a future federated, more resilient, and deeply networked cyber-infrastructure. This chapter explores the unique features of ExoGENI and, in particular, how it differs from other GENI testbeds.
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Acknowledgements
We thank NSF, IBM, and the GENI Project Office (GPO) at BBN-Raytheon for their support. Many colleagues at GPO and other GENI projects have helped work through issues relating to ExoGENI. We’d like to thank our colleagues from the EU: University of Amsterdam SNE Group and Ghent University/iMinds for their help and code contributions.
This work is supported by the US National Science Foundation through the GENI initiative and NSF awards OCI-1032873, CNS-0910653, and CNS-0720829; by IBM and NetApp; and by the State of North Carolina through RENCI.
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Baldin, I. et al. (2016). ExoGENI: A Multi-Domain Infrastructure-as-a-Service Testbed. In: McGeer, R., Berman, M., Elliott, C., Ricci, R. (eds) The GENI Book. Springer, Cham. https://doi.org/10.1007/978-3-319-33769-2_13
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