Simple network management protocol or SNMP is encapsulated into HTTP traffic. The HTTP traffic is in a form that allows it to pass through a firewall. At one end, and SNMP request is encapsulated and sent to a remote computer. The remote computer de-encapsulates the request and responds to the SNMP request....http://www.google.de/patents/US7093008?utm_source=gb-gplus-sharePatent US7093008 - Communication techniques for simple network management protocol
