# Response: Pong ("pong") Connection keep-alive, "aliveness" and latency discovery. This message is sent in response to a [PING](/protocol/network/messages/ping.md) message. ## Message Format | Field | Length | Format | Description | |--|--|--|--| | nonce | 8 bytes | unsigned 64 bit integer[(LE)](/protocol/misc/endian/little) | The value provided by the [PING](/protocol/network/messages/ping.md) message.