Monitor distant services through Public Internet using encrypted connection.
Pros
Services are monitored
Issues are resolved before impact
Resolving time was more flexible
Need
Some remote network are totally isolated from internal ressources. No VPN, low filter, minimal infrastructure. We needed automatic check going securely through Public internet.
Cons
Single Point of failure
Each site use a unique monitoring gateway
Results
A monitor server dedicated to this distant services
The client wants to rely on this service so emails can go through and alert teams on time. The service must be available or alert people in case of failure.