Abstract

In this paper, the authors propose novel nongrooming, optical path cross-connect (OXC), single-layer optical path (OP) networks that can route multigranularity optical paths with reduced optical switch (OSW) size. Since the multigranularity OPs are handled in one OP layer, the configuration and path administration of the OXCs become simple. The authors evaluate the network topology dependency of the network elements, i.e., the required number of OSW ports and fibers in networks consisting of 36 fixed nodes with different network topologies as well as that of a 16-OXC, 25-link NSFNET. The proposed networks require 60% fewer OSW ports, enabling efficient link resource utilization. A 60% reduction in total network cost is also confirmed.

© 2005 IEEE

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  1. K. Sato, S. Okamoto and H. Hadama, "Network performance and integrity enhancement with optical path layer technology", IEEE J. Sel. Areas. Commun., vol. 12, no. 1, pp. 159-170, Jan. 1994.
  2. S. Kawanishi, H. Takara, K. Uchiyama, I. Shake and K. Mori, "3 Tbit/s (160 Gbit/s x 19 ch) OTDM/WDM transmission experiment", presented at the Optical Fiber Communication/Integrated Optics Optical Communications Conf. (OFC/IOOC), Postdeadline Paper, Feb. 1999 .
  3. K. Fukuchi, T. Kasamatsu, M. Morie, R. Ohhira, T. Ito, K. Sekiya, D. Ogasahara and T. Ono, "10.92-Tb/s (273 x 40 Gb/s) triple-band/ultra-dense WDM optical-repeatered transmission experiment", presented at the Optical Fiber Communication Conf. (OFC), Postdeadline Paper, Mar. 2001.
  4. K. Shimano, A. Imaoka, Y. Takigawa and K. Sato, "MPLambdaS demonstration employing photonic routers (256 x 256 OLSPS) to integrate optical and IP network", in Nat. Fiber Optic Engineers Conf., 2001 Tech. Proc., Jul. 9 2001, pp. 5-13.
  5. L. Noirie, C. Blaizot and E. Dotaro, "Multi-granularity optical cross-connect", in Proc. Eur. Conf. Optical Communication (ECOC), Oct. 2000, pp. 269-270.
  6. Y. Suemura, I. Nishioka, Y. Maeno, S. Araki, R. Izmailov and S. Ganguly, "Hierarchical routing in layered ring and mesh optical networks", in Proc. IEEE Int. Conf. Communication (ICC), vol. 5, Apr. 2002, pp. 2727-2733.
  7. N. Nagatsu, S. Okamoto and A. Watanabe, "Hierarchical photonic transport network and its requirements", in Proc. IEICE Spring Conf., 1998, B-10-100.
  8. E. Ciaramella, "Bundling wavelengths in optical transport networks", in Proc. Eur. Conf. Optical Communication (ECOC), Oct. 2000, pp. 235-236.
  9. J. Yamawaku, W. Imajuku, A. Takada, S. Okamoto and T. Morioka, "Investigation of virtual grouped-wavelength-path routing networks", in Proc. OptoElectronics Communication Conf./ Integrated Optics Optical Communications (OECC/IOOC), TUJ Packet Based Networks, Jul. 2001, pp. 194-196.
  10. O. Tadanaga, M. Asobe, H. Miyazawa, Y. Nishida and H. Suzuki, "A 1-THz optical frequency shifter using quasi-phase-matched - LiNbO3 wavelength converters", in Proc. Optical Fiber Communication Conf. (OFC), Mar. 2002, ThDD1,. pp. 592-593.
  11. H. Harada, K. Shimizu, T. Kudou and T. Ozeki, "Hierarchical optical path cross-connect systems for large scale WDM network", in Proc. Optical Fiber Communication Conf (OFC), 1999, Paper WM55-1,. pp. 356-358.
  12. N. Nagatsu, Y. Hamazumi and K. Sato, "Optical path accommodation designs applicable to large scale networks", IEICE Trans. Commun., vol. E78-B, no. 4, pp. 597-607, Apr. 1995.

Other (12)

K. Sato, S. Okamoto and H. Hadama, "Network performance and integrity enhancement with optical path layer technology", IEEE J. Sel. Areas. Commun., vol. 12, no. 1, pp. 159-170, Jan. 1994.

S. Kawanishi, H. Takara, K. Uchiyama, I. Shake and K. Mori, "3 Tbit/s (160 Gbit/s x 19 ch) OTDM/WDM transmission experiment", presented at the Optical Fiber Communication/Integrated Optics Optical Communications Conf. (OFC/IOOC), Postdeadline Paper, Feb. 1999 .

K. Fukuchi, T. Kasamatsu, M. Morie, R. Ohhira, T. Ito, K. Sekiya, D. Ogasahara and T. Ono, "10.92-Tb/s (273 x 40 Gb/s) triple-band/ultra-dense WDM optical-repeatered transmission experiment", presented at the Optical Fiber Communication Conf. (OFC), Postdeadline Paper, Mar. 2001.

K. Shimano, A. Imaoka, Y. Takigawa and K. Sato, "MPLambdaS demonstration employing photonic routers (256 x 256 OLSPS) to integrate optical and IP network", in Nat. Fiber Optic Engineers Conf., 2001 Tech. Proc., Jul. 9 2001, pp. 5-13.

L. Noirie, C. Blaizot and E. Dotaro, "Multi-granularity optical cross-connect", in Proc. Eur. Conf. Optical Communication (ECOC), Oct. 2000, pp. 269-270.

Y. Suemura, I. Nishioka, Y. Maeno, S. Araki, R. Izmailov and S. Ganguly, "Hierarchical routing in layered ring and mesh optical networks", in Proc. IEEE Int. Conf. Communication (ICC), vol. 5, Apr. 2002, pp. 2727-2733.

N. Nagatsu, S. Okamoto and A. Watanabe, "Hierarchical photonic transport network and its requirements", in Proc. IEICE Spring Conf., 1998, B-10-100.

E. Ciaramella, "Bundling wavelengths in optical transport networks", in Proc. Eur. Conf. Optical Communication (ECOC), Oct. 2000, pp. 235-236.

J. Yamawaku, W. Imajuku, A. Takada, S. Okamoto and T. Morioka, "Investigation of virtual grouped-wavelength-path routing networks", in Proc. OptoElectronics Communication Conf./ Integrated Optics Optical Communications (OECC/IOOC), TUJ Packet Based Networks, Jul. 2001, pp. 194-196.

O. Tadanaga, M. Asobe, H. Miyazawa, Y. Nishida and H. Suzuki, "A 1-THz optical frequency shifter using quasi-phase-matched - LiNbO3 wavelength converters", in Proc. Optical Fiber Communication Conf. (OFC), Mar. 2002, ThDD1,. pp. 592-593.

H. Harada, K. Shimizu, T. Kudou and T. Ozeki, "Hierarchical optical path cross-connect systems for large scale WDM network", in Proc. Optical Fiber Communication Conf (OFC), 1999, Paper WM55-1,. pp. 356-358.

N. Nagatsu, Y. Hamazumi and K. Sato, "Optical path accommodation designs applicable to large scale networks", IEICE Trans. Commun., vol. E78-B, no. 4, pp. 597-607, Apr. 1995.

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