Zeyu Liu

Works (3)

Updated: July 5th, 2023 15:46

2012 article

A fast path-based ILP formulation for offline RWA in mesh optical networks

Liu, Z., & Rouskas, G. N. (2012, December 1). 2012 Ieee Global Communications Conference (Globecom), pp. 2990–2995.

By: Z. Liu n & G. Rouskas n 

topics (OpenAlex): Advanced Optical Network Technologies; Optical Network Technologies; Advanced Photonic Communication Systems
TL;DR: This work introduces the concept of symmetric RWA solutions and presents a new ILP formulation to construct optimally such solutions and demonstrates that the new formulation achieves a decrease of up to two orders of magnitude in running time compared to existing formulations. (via Semantic Scholar)
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Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2011 article

Fast Exact ILP Decompositions for Ring RWA

Yetginer, E., Liu, Z., & Rouskas, G. N. (2011, June 24). Journal of Optical Communications and Networking, Vol. 3, pp. 577–586.

By: E. Yetginer*, Z. Liu n & G. Rouskas n 

Contributors: Z. Liu n, G. Rouskas n  & E. Yetginer*

author keywords: Integer linear programming (ILP); Ring networks; Routing and wavelength assignment (RWA)
topics (OpenAlex): Advanced Optical Network Technologies; Optical Network Technologies; Advanced Photonic Communication Systems
TL;DR: A novel and extremely fast technique for obtaining, in a few seconds using commodity CPUs, optimal solutions to instances of maximum size SONET rings with any number of wavelengths; such instances cannot be tackled with classical formulations without vast investments in computational resources and time. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

conference paper

Link selection algorithms for link-based ilps and applications to RWA in mesh networks

Liu, Z. Y., & Rouskas, G. N. 2013 17th International Conference on Optical Networking Design and Modeling (ONDM), 59–64.

By: Z. Liu & G. Rouskas 

Source: NC State University Libraries
Added: August 6, 2018

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