To ensure network performance and reliability, there are several steps you can take. Regularly monitor your network to identify any bottlenecks or performance issues. Optimize your network configuration and bandwidth allocation to prioritize critical applications and services. Implement Quality of Service (QoS) mechanisms to manage network traffic and prioritize certain types of data. Use redundant network paths and backup systems to provide failover and ensure reliability. Lastly, regularly maintain and update your network equipment and software to avoid performance degradation.