Wireless M2M - IoTEnabling Wireless M2M - IoT HQ – WAN (M/PSTN) – Branch Office Topology HQ Data Center Application Server IPSec VPN Tunnel Branch-1 Database Server amitNMS IDG761/IDG771 with a “Dynamic IP” VPN concentrator with a “Static IP” Global IP: Local IP: Global IP: Local IP: Access Branch-2 IDG851 with a “Dynamic IP” Global IP: Local IP: IPSec VPN Tunnel 2. Access Mobile Site Mobile user with a “Dynamic IP” IPSec VPN Tunnel 3. Access Dynamic VPN Site-2-Site Host-2-Site