Engineering Services

ESnet provides interoperable, effective, reliable, and high performance network communications infrastructure, and certain collaboration services, in support of the Office of Science (SC)’s large-scale, collaborative science programs. ESnet provides users with high bandwidth access to DOE sites and DOE’s primary science collaborators including Research and Education institutions in the US, Europe, Asia Pacific, and elsewhere. ESnet also provides a full menu of network services including:

  • Physical Connectivity
  • Layer 2 VPN
  • Layer 3 Services via IPv4 and IPv6 routing and address space management
  • Cloud Connect
  • DNS Hosting Services
  • IP Address Assignment
  • NTP/PTP Timing Service



ESnet's On-Demand Secure Circuits and Advance Reservation System (OSCARS) provides multi-domain, high-bandwidth virtual circuits that guarantee end-to-end network data transfer performance. Originally a research concept, OSCARS has grown into a robust production service. Currently OSCARS virtual circuits carry fifty percent of ESnet’s annual 60 petabytes of traffic.  Read More

The Network

The Energy Sciences Network (ESnet) is a high-performance, unclassified national network built to support scientific research. Funded by the U.S. Department of Energy’s Office of Science (SC) and managed by Lawrence Berkeley National Laboratory, ESnet provides services to more than 40 DOE research sites and connects to 140 other research and commercial networks.  Read More

Network Services Menu

ESnet's Network Services team offers a comprehensive suite of services. For more information, contact Physical Connectivity ServicesESnet's Physical Connectivity Service is the physical connection between an end user's network to ESnet's equipment either locally at the end user site or at a remote Point of Presence (POP).  ESnet will design and implement an optical…  Read More


To meet the needs of our networking community, ESnet began an initiative to build a knowledge base for network engineers, system administrators and network researchers. This knowledge base is called Fasterdata. The goal of the Fasterdata Knowledge Base is to provide  the research and education community with a trusted reference tailored for data-intensive science environments, including…  Read More

IPv6 Network

In anticipation of the scalability problems with IPv4 (the current Internet Protocol), the Internet Engineering Task Force (IETF) has produced a comprehensive set of specifications that define the next generation Internet Protocol known as IPv6.  Read More