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Network Design for Multi-Layered Photonic IP Networks Considering IP Traffic Growth
Shigeru KANEDA Tomohiko UYEMATSU Naohide NAGATSU Ken-ichi SATO
IEICE TRANSACTIONS on Communications
Publication Date: 2004/02/01
Print ISSN: 0916-8516
Type of Manuscript: PAPER
GMPLS (Generalized Multi-Protocol Label Switching), LSP (Label Switched Path), network design, photonic network, wavelength routing,
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In order to transport an ever-increasing amount of IP traffic effectively, Photonic IP networks that employ wavelength routing and Layer 3 cut-through are very important. This paper proposes a new network design algorithm that minimizes the network cost considering IP traffic growth for multi-layered photonic IP networks that comprise electrical label switched paths (LSPs) and optical LSPs. We evaluate the network cost obtained from the developed network design algorithm that considers IP traffic growth and compare it to the results obtained from a static zero-based algorithm. The static zero-based algorithm does not take into account the history of progressive past IP traffic changes/growth until that time. The results show that our proposed algorithm is very effective; the cost increase from the cost obtained using the zero-based algorithm is marginal. The algorithm developed herein enables effective multi-layered photonic IP network design that can be applied to practical networks where IP traffic changes/increases progressively and that can be used for long term network provisioning.