Simplified AeroMACS Testbed ( 1 MS and 1 BS) Subscriber Network 192.168.10.0/24 AAA Server 192.168.1.1/24 Wi-Fi Subscriber Station (NAT) Base Station Intranet ASN Gateway 192.168.10.47/24 NASA Guest Gateway 198.118.128.1 Route add - net 0.0.0.0 Netmask 0.0.0..0 gw 172.16.54.100 Home Agent 129.166.9.101 DNS 192.168.1.100 GW 192.168.1.1 DNS 129.166.9.101 172.16.54.97 172.16.54.100 NASA Guest Network Linux Router (NAT) Route add - net 192.168.10.0 netmask 255.255.255.0 gw 172.16.54.97 Internet AAA = Authentication Authorization and Accounting BE = Best Effort BS = Base Station HA = Home Agent iPerf = Internet Performance Utility NAT = Network Address Translation SS = Subscriber Station UGS = Unsolictate Grant Service Cellular

Radio Access For this Demonstration: 4 Service Flows AAA Serve Confirms Access and Establishes QOS parameters at Base Station(s) Radio Access MS Informed of QOS parameters via Base Station(s) Signaling AAA Server Authenticates with AAA Server xxx.xxx.xxx.xxxx/xx Subscriber Station (NAT) Base Station Intranet ASN Gateway NASA Guest Gateway 198.118.128.1 Route add - net 0.0.0.0 Netmask 0.0.0..0 gw 172.16.54.100 Home Agent 129.166.9.101 Subscriber Station establishes RF Connection DNS BE Uplink (No limits) BE Downlink (No Limits) UGS Uplink (Min 200 kbps, Max 200 kbps) UGS Downlink (Min 200 kbps, Max 200 kbps) For this Demonstration: 4 Service Flows 172.16.54.97 172.16.54.100 NASA Guest Network Linux Router (NAT) Route add - net 192.168.10.0 netmask 255.255.255.0 gw 172.16.54.97 Internet AAA = Authentication Authorization and Accounting BE = Best Effort BS = Base Station HA = Home Agent iPerf = Internet Performance Utility NAT = Network Address Translation SS = Subscriber Station UGS = Unsolictate Grant Service

Network Access (Subscriber IP) ASN-GW Foreign Agent Advertisement MIPv4 Subscriber Network 192.168.10.0/24 MIP Authentication Reply AAA Server MIP Authentication Request MIP Registration Reply MIP Registration Request Subscriber Station (NAT) Base Station Intranet ASN Gateway DHCP Address Granted DHCP Discover 192.168.10.47/24 Establish MIP Tunnel NASA Guest Gateway 198.118.128.1 Route add - net 0.0.0.0 Netmask 0.0.0..0 gw 172.16.54.100 Home Agent 129.166.9.101 DNS 192.168.1.100 GW 192.168.1.1 DNS 129.166.9.101 172.16.54.97 172.16.54.100 NASA Guest Network Linux Router (NAT) Route add - net 192.168.10.0 netmask 255.255.255.0 gw 172.16.54.97 Internet AAA = Authentication Authorization and Accounting BE = Best Effort BS = Base Station HA = Home Agent iPerf = Internet Performance Utility NAT = Network Address Translation SS = Subscriber Station UGS = Unsolictate Grant Service Cellular

Internet Access for AeroMACS Demonstration Subscriber Network 192.168.10.0/24 AAA Server 192.168.1.1/24 Default Route points to Linux NAT gateway Wi-Fi Subscriber Station (NAT) Base Station Intranet ASN Gateway SS provides address to iPad via DHCP or manually set in iPad 192.168.10.47/24 NASA Guest Gateway 198.118.128.1 Route add - net 0.0.0.0 Netmask 0.0.0..0 gw 172.16.54.100 Home Agent 129.166.9.101 DNS 192.168.1.100 GW 192.168.1.1 DNS 129.166.9.101 172.16.54.97 172.16.54.100 NASA Guest Network DNS Manually Set in iPad to match Guest Network DNS Linux Router (NAT) Route add - net 192.168.10.0 netmask 255.255.255.0 gw 172.16.54.97 Route added indicating mobile networks are reachable via Home Agent AAA = Authentication Authorization and Accounting BE = Best Effort BS = Base Station DNS = Domain Name Server HA = Home Agent iPerf = Internet Performance Utility NAT = Network Address Translation SS = Subscriber Station UGS = Unsolictate Grant Service Internet

Internet Access for AeroMACS Weather Demonstration Subscriber Network 192.168.10.0/24 Source Address 192.168.10.47 AAA Server 192.168.1.1/24 Wi-Fi Subscriber Station (NAT) Base Station Intranet ASN Gateway 192.168.10.47/24 NASA Guest Gateway 198.118.128.1 Source Address 192.168.1.100 Route add - net 0.0.0.0 Netmask 0.0.0..0 gw 172.16.54.100 Home Agent 129.166.9.101 DNS 192.168.1.100 GW 192.168.1.1 DNS 129.166.9.101 172.16.54.97 172.16.54.100 NASA Guest Network Linux Router (NAT) 198.118.131.109 Source Address 198.118.131.109 AAA = Authentication Authorization and Accounting BE = Best Effort BS = Base Station DNS = Domain Name Server HA = Home Agent iPerf = Internet Performance Utility NAT = Network Address Translation SS = Subscriber Station UGS = Unsolictate Grant Service Internet WSI Pilotbrief ® Server

VOIP Using Skype™ - Registration Subscriber Network 192.168.10.0/24 AAA Server Unit Registers ID and Address with Skype 192.168.1.1/24 Wi-Fi Subscriber Station (NAT) Base Station Intranet ASN Gateway 192.168.10.47/24 Unit Registers ID and Address with Skype NASA Guest Gateway 198.118.128.1 Route add - net 0.0.0.0 Netmask 0.0.0..0 gw 172.16.54.100 Home Agent 129.166.9.101 DNS 192.168.1.100 GW 192.168.1.1 DNS 129.166.9.101 172.16.54.97 172.16.54.100 NASA Guest Network Linux Router (NAT) Route add - net 192.168.10.0 netmask 255.255.255.0 gw 172.16.54.97 Unit Registers with T-Mobile AAA = Authentication Authorization and Accounting BE = Best Effort BS = Base Station DNS = Domain Name Server HA = Home Agent iPerf = Internet Performance Utility NAT = Network Address Translation SS = Subscriber Station UGS = Unsolictate Grant Service Internet Cellular

VOIP Using Skype™ - Peer to Peer Communication is Peer to Peer (If Possible) Subscriber Network 192.168.10.0/24 How do I reach Aeromacs-2? AAA Server 192.168.1.1/24 Wi-Fi Subscriber Station (NAT) Base Station Intranet ASN Gateway 192.168.10.47/24 NASA Guest Gateway 198.118.128.1 Route add - net 0.0.0.0 Netmask 0.0.0..0 gw 172.16.54.100 Home Agent 129.166.9.101 Aeromacs-2 Contact Information (e.g. Address and Port) DNS 172.16.54.97 AEROMACS -1 172.16.54.100 NASA Guest Network Linux Router (NAT) Route add - net 192.168.10.0 netmask 255.255.255.0 gw 172.16.54.97 AAA = Authentication Authorization and Accounting BE = Best Effort BS = Base Station DNS = Domain Name Server HA = Home Agent iPerf = Internet Performance Utility NAT = Network Address Translation SS = Subscriber Station UGS = Unsolictate Grant Service Internet AEROMACS -2

VOIP Using Skype™ - Skype Out (direct dial) Subscriber Network 192.168.10.0/24 Dial Cell Phone 1-555-555-5555 AAA Server 192.168.1.1/24 Wi-Fi Subscriber Station (NAT) Base Station Intranet ASN Gateway 192.168.10.47/24 NASA Guest Gateway 198.118.128.1 Connection Made Route add - net 0.0.0.0 Netmask 0.0.0..0 gw 172.16.54.100 Home Agent 129.166.9.101 DNS 172.16.54.97 AEROMACS -1 172.16.54.100 NASA Guest Network Linux Router (NAT) Route add - net 192.168.10.0 netmask 255.255.255.0 gw 172.16.54.97 Phone Via Server “Skype Out” AAA = Authentication Authorization and Accounting BE = Best Effort BS = Base Station DNS = Domain Name Server HA = Home Agent iPerf = Internet Performance Utility NAT = Network Address Translation SS = Subscriber Station UGS = Unsolictate Grant Service Internet AEROMACS -2