Optical Keyhole is currently carrying a two part discussion on network evolution, between AboveNet (NYSE: ABVT), and Nokia Siemens Networks.

The discussion can be found at
http://www.opticalkeyhole.com/moonlight/whatsnew.asp

In the discussion, Pathmal Gunawardana, Head of Optical Networks for NSN North America and Rajiv Datta of AboveNet discuss the 40G market and evolution to 100G, from a vendor and service provider perspective, covering the economic issues, installed base and customer requirements.

The second part of the discussion focuses on some of the technical issues, the importance of network management, vendor interoperability and professional services, and the need for a trusted partner.

Also recently issued is a three part discussion on Carrier Ethernet, between Verizon (NYSE: VZ), Extreme Networks (NASDAQ: EXTR), and Tejas Networks.

The discussion can also be found at
http://www.opticalkeyhole.com/moonlight/whatsnew.asp

In this discussion from a supplier and service provider perspective, executives from the three companies take on the issues involved in the transition to Carrier Ethernet.

Continuing on the theme of multi-vendor interoperability initially, the second part covers the costs involved in implementing Ethernet services before considering a number of mission-critical issues.

Finally, the discussion returns to some of the economic issues of implementing Carrier Ethernet, and touches on the subjects of power, management tools, standards co-ordination and benefits to the end-user.

About Optical Keyhole:

www.opticalkeyhole.com carries an exhaustive range of interviews from the telecommunications sector, over 312 different videos, covering both presentations and facility tours, as well as CEO interviews, 60,000 different articles, in a fully searchable database, and 4000 editorials and commentaries. In addition, the website carries a host of directories covering all aspects of both present as well as past companies, with particular emphasis on the optical segment, and encompassing nearly 2000 different companies.