Openswan vs Zscaler: What are the differences?

According to the given task, the key differences between Openswan and Zscaler are outlined below.

1. **Security Approach**: Openswan is an open-source VPN solution that focuses on securing network connections through IPsec protocols, while Zscaler is a cloud security platform that provides secure access to internet and private applications.
2. **Deployment**: Openswan needs to be installed and configured on specific servers or devices, whereas Zscaler operates as a cloud-based service accessible through a simple setup process.
3. **Scalability**: Openswan may require additional resources and manual configuration to scale up for large networks, whereas Zscaler offers dynamic scalability with its cloud infrastructure to accommodate growing network demands.
4. **Management**: Openswan typically requires IT expertise for managing and maintaining the VPN infrastructure, whereas Zscaler centralizes management and security policies through a user-friendly interface that may not need specialized skills.
5. **Cost**: While Openswan is often considered cost-effective due to its open-source nature, Zscaler is a subscription-based service that may involve recurring expenses based on usage and features required.
6. **Support**: Openswan relies on community support and documentation for troubleshooting and assistance, while Zscaler provides dedicated customer support, training, and resources to address any issues or queries effectively.

In Summary, Openswan and Zscaler differ in security approach, deployment method, scalability, management complexity, cost structure, and support options.