Daniel is a Network Engineer for the High-Performance Computing Operations Group and is the networking team lead. He is currently involved with several network upgrades bringing more 100 Gigabit Ethernet connections to the center. Daniel has been at ORNL since 2009 and has been in networking since 1995.
He started in small Internet Service Providers, and over time acquired many companies and integrated them into his companies network. This led him to ISP that covered the whole nation and included many data centers, and around a thousand points of presence across the country. He is responsible for day to day operations, capacity planning, monitoring, designing and building the High Performance Computing Network.
2017 - https://cs.lbl.gov/news-media/news/2017/esnets-petascale-dtn-project-speeds-up-data-transfers-between-leading-hpc-centers/
2017 - Aderholdt, Ferrol, Blake A. Caldwell, Susan Elaine Hicks, Scott M. Koch, III Naughton, Daniel S. Pelfrey, James R Pogge, Stephen L Scott, Galen M. Shipman, and Lawrence Sorrillo. 2017. “Secure Enclaves: An Isolation-Centric Approach for Creating Secure High Performance Computing Environments”. United States. doi:10.2172/1341562. http://www.osti.gov/scitech/servlets/purl/1341562.
2014 - Parete-Koon, Suzanne, Hill, Jason J, Blake A Caldwell, Chris Layton, Daniel S Pelfrey, Hai Ah Nam, Galen M Shipman, Jack C Wells, et al. 2015. “HPC S Pivot to Data.” In United States. http://www.osti.gov/scitech/servlets/purl/1159414.
2014 - Aderholdt, Ferrol, Blake A. Caldwell, Susan Elaine Hicks, Scott M. Koch, Daniel S. Pelfrey, James R. Pogge, Stephen L. Scott, Galen M. Shipman, and Lawrence Sorrillo. 2014. “Multi-Tenant Isolation via Reconfigurable Networks”. United States. doi:10.2172/1195818. http://www.osti.gov/scitech/servlets/purl/1195818.