Erik-Jan Bos, Director of Network Services, SURFnet Internet2 Joint Techs Salt Lake City, UT, USA – February 14, 2005 Report from the G IF Tech

History and meeting details GLIF TEC #1: Reykjavik, IS – Aug 2003 GLIF TEC #2: Nottingham, UK – Sep 2004 GLIF Tech #3: Salt Lake City, UT, USA – Feb 13, 2005 Co-chairs: –René Hatem –Erik-Jan Bos Participants: approx. 40, from North America, Asia, Australia, and Europe

GLIF Best Current Practices document Overview of the GLIF –Optical Exchanges –Links in the GLIF –The GLIF edge Usage of the GLIF –Definition of a Light Path –Connecting to the GLIF –Using the GLIF Technical details of the GLIF –GLIF building blocks –Ethernet framing –Protocol conversion –10GE LAN PHY and WAN PHY Available before summer ‘05 To be presented at iGrid2005

GLIF schedulable resources Conclusion from Nottingham, UK Tech: –Maps are nice for overview, PR, etc. –For finding possible paths, we need the ability to drill down into the details Work on services definition per GLIF participant For further study: Semantic Web (Sir Tim Berners Lee, MIT)

DiscussionsDiscussions Lessons learned from SC2004 Preparing for iGrid2005 (and SC2005) Technical issues and their consequences such as: –10GE WAN PHY – LAN PHY speed mismatch –Ethernet switch delay variation Open Optical Exchanges NLANR's LambdaMON

Next GLIF meeting Co-located with iGrid2005 in San Diego, CA at the end of September 2005