site1,site2
AFGWC,CASE
AMES,SRI
AMES,STANFORD
ARPA,ETAC
ARPA,MITRE
BBN,HARVARD
BBN,MIT
BELVOIR,CMU
BELVOIR,SAAC
CASE,CMU
CASE,NOAA
CASE,RADC
ETAC,NBS
ETAC,TINKER
HARVARD,NBS
ILLINOIS,MIT
LINCOLN,MIT
LINCOLN,RADC
MCCLELLAN,SRI
MCCLELLAN,UTAH
NOAA,USC
RAND,STANFORD
RAND,TINKER
SDC,UCLA
SDC,USC
SRI,UCSB
UCLA,UCSB