Dynamic circuit network

A dynamic circuit network (DCN) is an advanced computer networking technology that combines traditional packet-switched communication based on the Internet Protocol, as used in the Internet, with circuit-switched technologies that are characteristic of traditional telephone network systems. This combination allows user-initiated ad hoc dedicated allocation of network bandwidth for high-demand, real-time applications and network services, delivered over an optical fiber infrastructure.[1]

Implementation

Dynamic circuit networks were pioneered by the Internet2 advanced networking consortium.[2] The experimental Internet2 HOPI infrastructure, decommissioned in 2007, was a forerunner to the current SONET-based Ciena Network underlying the Internet2 DCN. The Internet2 DCN began operation in late 2007 as part of the larger Internet2 network.[3] It provides advanced networking capabilities and resources to the scientific and research communities, such as the Large Hadron Collider (LHC) project.[4]

The Internet2 DCN is based on open-source, standards-based software, the Inter-domain Controller (IDC) protocol, developed in cooperation with ESnet[5] and GÉANT2.[3] The entire software set is known as the Dynamic Circuit Network Software Suite (DCN SS).

Inter-domain Controller protocol

The Inter-domain Controller protocol manages the dynamic provisioning of network resources participating in a dynamic circuit network across multiple administrative domain boundaries.[6] It is a SOAP-based XML messaging protocol, secured by Web Services Security (v1.1) using the XML Digital Signature standard. It is transported over HTTP Secure (HTTPS) connections.

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See also

References
  1. Erica Naone (2008-02-14). "Bandwidth on Demand". MIT Technology Review.
  2. "Dynamic Circuit Network". Internet2.
  3. Internet2 DCN Working Group (2009-02-03). "Internet2 DCN Pilot Service Definition" (PDF).
  4. Mary E. Shacklett (2009-08-11). "Dynamic Circuit Network Debuts for Researchers". Internet Evolution. Retrieved 2009-08-19.
  5. C.P. Guok; D.W. Robinson; E. Chaniotakis; M.R. Thompson; W. Johnston; B. Tierney (2008). "A User Driven Dynamic Circuit Network Implementation" (PDF). ESNET. Archived from the original (PDF) on 2010-06-18. Retrieved 2009-08-20.
  6. A. Lake; J. Vollbrecht; A. Brown; J. Zurawski; D. Robertson; M. Thompson; C. Guok; E. Chaniotakis; T. Lehman (2008-05-30). "Inter-domain Controller (IDC) Protocol Specification" (PDF). Archived from the original (PDF) on 2010-06-10.
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