1. LBL DCAMES PARCMITBBN UDELLA SRIDARPAISI BELL SUNTIS ISIECMUUCSCUCLA DARTnet II Research Network (1997) T1

2. CAIRN Research Network (April 2002) UCSC CMU NETSTAR CISCO-EBBN IPSILON UDEL MIT ISIDARPAISIE CISCO-W LBL UCB MCI-R ANL TIOCSDSC PARC SRI BELL UCL TIS NRL NASA SAIC UCLA SONET OC3 DS3 T1/E1 T1s CAIRN ATM Other ATM Non ATM

3. CAIRN Research Network (April 2002)

4. 128.4.110/100 Mb malarkybaldwinhepzibah WWVB (2)GPS (2) barnstable churchy 1.544 Mb CAIRN 140.173 vBNS 155 Mb bridgeport evans-gw mudge-gw cowbirdracketyhueyothers (3) 100 Mb UDELnet 128.175 Abilene 155 Mb WWVB and GPS receivers connect to multiple computers via ASCII, PPS and IRIG boombah 2x64 kb ISDN 128.4.2 Backroom DCnet Research Network (April 2002) pogobunnylou ISDN Router IP Router Workstation Radio Clock Server

5. ASCII, PPS, IRIG/audio ASCIIASCII/audio ASCII whimsymorthowland CHUWWVWWVBGPS pup-dog grundoon 2x64 kb ISDN 128.4.1 Campus 128.4.2 10/100 Mb Backroom Test Facility (April 2002) Server ISDN Router Workstation Radio Clock 3 PCs

6. DCnet Timekeeping Facilities (January 2002) mizbeaver GPS/NTP GPS receiver (2) cesium standard (2) LORAN-C receiver (2) GPS, etc., receiver (4) pogo DCnet rackety public barnstable CAIRN UDELnet router (2) grundoon backroom CAIRN 1.5 Mb/s DCnet 10/100 Mb/s cesium standard ISDN router (2) Atomic Clock IP Router Time Server Radio Clock 100 Mb UDELnet 128.175 Abilene 155 Mb WWVB receiver (2)

7. barnstablemudge-gw 1.544 Mb CAIRN 140.173 100 Mb 128.175 DCnet IP Routers (January 2002) evans-gw Cisco ISDN Cisco 128.4.1 pup-dog boombah abilene Abilene 155 Mb ISDN 2x64 kb 10/100 Mb Backroom Test Facility 10/100 Mb 128.4.2 EECISnet UDELnet Torrent FreeBSD DCNet

8. DC MITBBN BELL DARPAUDEL