Title :
New bi-directional WDM ring networks with dual hub nodes
Author_Institution :
Dept. of Electr. & Electron. Eng., Melbourne Univ., Parkville, Vic., Australia
Abstract :
This paper presents two new bi-directional WDM ring architectures for broadband interoffice networks with inter-node switching consolidation. One of the architectures offers 70% protection, and the other ensures 100% protection, against possible failures of a cable break or one slave node crash. Both architectures guarantee 50% protection at the collapse of one of the two hub nodes. The paper also presents a new optical add-drop multiplexer very suitable for bi-directional WDM rings. For a given number of wavelengths available, the new architectures increase the total inter-node switching capacity to four times, not twice, that of a uni-directional WDM ring network
Keywords :
broadband networks; multiplexing equipment; optical fibre networks; wavelength division multiplexing; WDM ring networks; bi-directional ring architectures; broadband interoffice networks; cable break; dual hub nodes; failure protection; inter-node switching consolidation; optical add-drop multiplexer; slave node crash; Add-drop multiplexers; Bidirectional control; Communication switching; Computer crashes; Optical fiber cables; Optical fiber communication; Photonics; Protection; WDM networks; Wavelength division multiplexing;
Conference_Titel :
Global Telecommunications Conference, 1997. GLOBECOM '97., IEEE
Conference_Location :
Phoenix, AZ
Print_ISBN :
0-7803-4198-8
DOI :
10.1109/GLOCOM.1997.632606
