USAN


           _A_d_d_r_e_s_s:
           National Center for Atmospheric Research
           USAN Network/Scientific Computing Division
           1850 Table Mesa Drive
           P.O. Box 3000
           Boulder, CO 80307

           _E-_m_a_i_l: [email protected]

           _P_h_o_n_e: (303) 497-1282 [Don Morris]


           _D_e_s_c_r_i_p_t_i_o_n

           USAN (University Satellite Network) is a discipline oriented
           network serving organizations that do research in the atmos-
           pheric and oceanographic sciences. Current members  are  the
           Universities  of  Miami, Oregon State, Penn State, Maryland,
           Wisconsin, and the  Institute  of  Naval  Oceanography,  the
           Naval Research Lab, and Woods Hole Oceanographic Institute.

           The primary use of the network is for  access  to  supercom-
           puter facilities at NCAR. Secondary use is for access to the
           Internet via the NSFnet node and other Internet gateways  at
           NCAR.

           The network is an IP satellite broadcast network with a star
           configuration  with  the center at NCAR. Incoming traffic is
           broadcast at 56Kbits from each node on its own unique  chan-
           nel.  Outbound  traffic is broadcast at 224Kbits on a single
           channel.

           Membership in USAN is not restricted, however  members  must
           share in the operating costs for the network.

           _N_e_t_w_o_r_k _a_c_c_e_s_s

           Any IP host of any USAN member may access the network.

           _________________________
           The information in this section is provided  in  accor-
           dance  with the copyright notice appearing at the front
           of this guide.




           June 27, 1989               NNSC       Section 5.12,  Page 1








           _W_h_o _C_a_n _U_s_e _t_h_e _N_e_t_w_o_r_k

           Any of the members  can  exchange  traffic  with  any  other
           member  for  any  purpose.   Any  member  may use any of the
           long-haul networks USAN has connections to, subject only  to
           the restrictions of the owner of the long-haul network.

           Members are free, at this time, to allow  transient  traffic
           over USAN through their USAN gateways.

           _M_i_s_c_e_l_l_a_n_e_o_u_s _I_n_f_o_r_m_a_t_i_o_n

           USAN is one gateway hop from the NSFnet, Las Alamos National
           Labs,   Westnet  east,  NASA/Ames,  Department  of  Commerce
           Boulder Labs, and a consortium of universities in Mexico.




































           June 27, 1989               NNSC       Section 5.12,  Page 2