Microsoft Technology Licensing, LLC

Shefali Garg

Deepak Bansal

Rishabh Tewari

Madhan Sivakumar

Michael Czeslaw Zygmunt

A route tracing request packet is generated comprising a time-to-live value, a source address of a source of the route tracing request packet, and an address of a destination of the route tracing request packet. The source and destination are in the virtual network; the route tracing request packet is usable to identify the virtual appliance, and the virtual appliance is configured to examine the route tracing request packet for a time-to-live value indicating that the route tracing request packet has expired and sending a time-to-live exceeded message to the source address. The time-to-live exceeded message comprises an identifier for the virtual appliance. The route tracing request packet is forwarded to the destination. The time-to-live exceeded message is received. Data is extracted to determine network virtual appliances that were traversed by the route tracing request packet prior to expiration of the time-to-live. The network virtual appliances are reported.

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Shefali Garg