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Fiber Acquisition and Implementation. Internet2 – Joint Techs July 17, 2006. Setting the Stage. The three founding institutions of Merit collaborated on leasing over 750 miles of fiber to connect their institutions in Michigan and Chicago.
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Fiber Acquisition and Implementation Internet2 – Joint Techs July 17, 2006
Setting the Stage • The three founding institutions of Merit collaborated on leasing over 750 miles of fiber to connect their institutions in Michigan and Chicago. • DWDM transport system was selected and engineered to support up to thirty 10 GbE wavelengths on day one. • Installation spring/summer 2005. • Operational Aug. 2005
Setting the Stage • Six OADM sites • One located at each of the three university campuses • Two additional Michigan PoPs • 710 N. Lake Shore Dr. • System is known as Michigan Lambda Rail (MiLR)
Setting the Stage • Merit was provided 10 GbE waves between each OADM site. • To upgrade Michigan-wide core • Remove carrier leased circuits • Reach member campuses in southern lower Michigan
Moving to Facilities-based Networking • Purchased fiber rings in the Detroit, Lansing, Grand Rapids, and Chicago areas. • Plans were drawn up to create fiber loops throughout southern and mid-Michigan. • Cross border paths to neighboring networks are being pursued.
Lighting the way • Passive WDM equipment combined with pluggable optics (CWDM and standard telco wavelengths) for switches/routers provide a good first approach, with growth. • A single wave’s capacity is shared by most sites around a metro ring. • Additional wavelengths can be dedicated to larger institutions, backbone transit traffic, or SLAs (voip?). • Anticipating inserting 10GbE where signal loss permits.
Reality bites • Buying existing fiber runs unavoidable. • Often have to live with single (folded) access loop to sites where multiple, diverse laterals are too costly. • Ring loss (and with some limited impact, total diameter) for expressed waves accumulates with each new access lateral. • The signal level values are often available in the optics but not implemented in many of the switches and routers.
Success • Eight of the 13 public university campuses connected via fiber. Two additional universities in process. • Three community colleges connected with another three in the process. • Various K-12 networks connected.