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Next Generation Network Plan Page 5 Z� two fiber ,strands to each NSCC site to provide -network, connectivity. For this design, six V fiber strands are proposed to each site to provide adoitilonal fiber capacity for future network growth and applications. For the NSCC network, CTC identified 108 primary sites in the NSCC for connectivity to the fiber optic network during the first phase of construction,, based on site infonnation p ided by the NSCC and its members. The list of sits is provided in Appendix B. On rov] averal:re each site was approximately 03 miles from the backbion,' ring for a total of 0 � approximately 35 n-iiles of lateral construction, 1.2.1.2 Recommended Electronic Arehitecture: Giga Ethernet The NSCC uses Gigabit Ethernet electronics in the, fiber portion of the -Net® CTC recoi=ends that the NSCC members continue use of Gigabit Ethernet electronics to light the fiber in light of growing trends in wide area networking and the existing, networking equipment cuiTently used by the NSCC. Gigabit Ethernet 3 technology provides a relatively low cost and simple method of' providing high capacity clonneictivity J. ;-- - L. - - I - -lie fiber op `c rietwor'. 't 's a state-of-i"e-ut, standards -based LUC1111010gy Lo users over At Ll L. & IL I L t LIJ L IL that is well-defined, mature, offers competitive hardware pricing and is the focus of continued hardware platform research and development. As proposed, the network M11 deliver 1 Gbps access to 1 sites with th rern.irtin g equipped at 10 lips. The design also allows upgrading the capacity at each site. This transmission capacity is well in excess" of the standard speed available over teased TI 11, D e, S - 4 0, Operational Considerations: Wholesale versus Service Models Given the proposed design of the network, CTC recommends two possible operations models based On available network resources and the needs of the NSCC entities. The first operations model is a wholesale or broker model. Network resources are assigned to various uses and the user is responsible for monitorinor, managing, and maintaining network resources. The second model is a service, provider model., The central entity 01, ,r several entities provide networking services over the NSCC network to end users and handle the maintenance. and operations of the network. 3 Delivers 1,000,000,000 bits-per-second, i.e. IGbps or gigabit 4 Ti circuits (which provide band4idth of 1.54 Mbps) are clommonly, used to conneict community facilities. A typical concern is not with th-c cost of TI cl-rcults, but the performance and capacity lirnits that constrain applications and data exchange. Z: all text and diagran-is 0 CTC 200,71