# Amazon DCV server connections
<a name="dcv-server-connections"></a>

Counters in this set provide information about a single client connection. Counter set instances are created when a client connects to the server and deleted when the client disconnects. The connection\_id is a number, and it is only unique within one server session. 


| Counter name | Description | Unit | 
| --- | --- | --- | 
| Connection Duration sec | Total number of seconds the connection has been open | Seconds | 

The following counters are the same as the ones in “DCV Server” counter set, with minor differences in the description:


| Counter name | Description | 
| --- | --- | 
| Receive Rate bits/sec | Rate in bits per second at which data is received within the connection | 
| Received Bytes | Total number of bytes received since the connection was established | 
| Send Rate bits/sec | Rate in bits per second at which data is sent within the connection | 
| Sent Bytes | Total number of bytes sent since the connection was established | 
| HTTP Download Rate bits/sec | Bandwidth in bits per second for outgoing HTTP data within the connection | 
| HTTP Downloaded Bytes | Total number of bytes sent over HTTP since the connection was established | 
| Round-Trip Time ms | Average round-trip latency for the connection, in milliseconds | 
| Minimum Round-Trip Time ms | Minimum round-trip latency detected since the connection was established, in milliseconds |