1. The economics of metro DWDM deployment;Cook,2000
2. Ultra-long-reach systems, optical transparency and networks;Doshi,2001
3. Value of reach extension in long-distance networks;Dwiwedi,2000
4. Upgrading SONET rings with WDM instead of TDM: An economic analysis;Gerstel,1999
5. Cost comparison of an IP/OTN integrated node against a pure IP routing node;Maeno,2000