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Just-in-time optical burst switching implementation in the ATDnet all-optical networking testbed

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5 Author(s)
Baldine, I. ; Div. of Adv. Networking Res., MCNC, Research Triangle Park, NC, USA ; Cassada, M. ; Bragg, A. ; Karmous-Edwards, G.
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We describe: (i) the architecture of an optical burst switched (OBS) demonstration network overlaying the ATDnet transparent all-optical testbed, and (ii) experiments underway in the testbed. The OBS overlay uses a simple hardware-based protocol embedded in OBS network controllers to manage commercial off-the-shelf DWDM switches. Data paths are all-optical and completely transparent, and can carry analog or digital traffic in any format, data rate, and modulation scheme. Experiments with latency- and jitter-sensitive HDTV transmission, petabyte file transfers, and immersive real time visualization of satellite imagery over the OBS network are ongoing. Parallel research on transport protocols, QoS-aware routing protocols, adaptors for an OBS LAN, and network management architecture are applied as completed. This is the first just-in-time (JIT) OBS field trial known to the authors.

Published in:

Global Telecommunications Conference, 2003. GLOBECOM '03. IEEE  (Volume:5 )

Date of Conference:

1-5 Dec. 2003