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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Pages, A. Perello, J. Spadaro, S. Garcia-Espin, J.A. Ferrer Riera, J. Figuerola, S. |
| Copyright Year | 2012 |
| Description | Author affiliation: i2CAT Foundation, Catalunya, Distributed Applications and Networks Area, Spain (Garcia-Espin, J.A.; Ferrer Riera, J.; Figuerola, S.) || Universitat Politècnica de Catalunya, Advanced Broadband Communications Center CCABA, Spain (Pages, A.; Perello, J.; Spadaro, S.) |
| Abstract | Optical network infrastructures can be partitioned into multiple parallel, dedicated virtual networks for a physical infrastructure sharing purpose. However, different transport technologies may impact in both the amount and the characteristics of the different virtual instances that can be built on top of a single physical infrastructure. To analyse the impact of the transport technology in this regard, we present exact Integer Linear Programming (ILP) formulations that address the off-line problem of optimally allocate a set of virtual networks in two kind of substrates: wavelength switching and spectrum switching. Both formulations serve the purpose to provide opaque transport services from the virtual network point of view, where electronic terminations are assumed in the virtual network nodes. We carry out a series of experiments to validate the presented formulations and determine which is the impact of both substrates in the number of virtual networks that can be optimally allocated in the transport network. |
| Starting Page | 1 |
| Ending Page | 6 |
| File Size | 598854 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781467314404 |
| e-ISBN | 9781467314428 |
| e-ISBN | 9781467314411 |
| DOI | 10.1109/ONDM.2012.6210209 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-04-17 |
| Publisher Place | United Kingdom |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Frequency selective surfaces Optical switches Integer Linear Programming Bandwidth Optical fiber networks Complexity theory Substrates Optical Network Virtualisation |
| Content Type | Text |
| Resource Type | Article |
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