Joel J. P. C. Rodrigues Mário M. Freire Pascal Lorenz Performance Assessment of Optical Burst Switching Ring and Chordal Ring Networks. 133-149 2004 27 Telecommunication Systems 2-4 http://springerlink.metapress.com/index/10.1023/B:TELS.0000041006.24647.43 db/journals/telsys/telsys27.html#RodriguesFL04