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## Description
The ping example showcases how to create a network of nodes that establish connections, negotiate the ping protocol, and ping each other.
## Usage
To run the example, follow these steps:
1. In a first terminal window, run the following command:
```sh
cargo run
```
This command starts a node and prints the `PeerId` and the listening addresses, such as `Listening on "/ip4/0.0.0.0/tcp/24915"`.
2. In a second terminal window, start a new instance of the example with the following command:
```sh
cargo run -- /ip4/127.0.0.1/tcp/24915
```
Replace `/ip4/127.0.0.1/tcp/24915` with the listen address of the first node obtained from the first terminal window.
3. The two nodes will establish a connection, negotiate the ping protocol, and begin pinging each other.
## Conclusion
The ping example demonstrates the basic usage of **libp2p** to create a simple p2p network and implement a ping protocol.
By running multiple nodes and observing the ping behavior, users can gain insights into how **libp2p** facilitates communication and interaction between peers.
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