Seesaw VS CloudLinux

• Open-source
  Seesaw is open-source, which means it is freely available for use and modification. This can lead to lower costs and increased flexibility for organizations.
• High Availability
  Seesaw is designed as a software load balancer for Linux, providing high availability and reliability for network services.
• Scalability
  Seesaw can handle a large number of connections, making it suitable for scaling applications and services effectively.
• Community Support
  As an open-source project hosted on GitHub, Seesaw benefits from community support, which can result in more rapid improvements and shared knowledge.
• Integration
  Seesaw can be integrated with existing network infrastructure and can work with various network protocols and services.

Possible disadvantages

• Maintenance
  Being an open-source project, Seesaw might require significant maintenance efforts from the user's side to keep it up-to-date and secure.
• Complexity
  Deploying and managing Seesaw can be complex, requiring a deep understanding of network configurations and load balancing techniques.
• Limited Documentation
  The available documentation for Seesaw might be limited or not as comprehensive as commercial alternatives, which can be a barrier for new users.
• Community Reliance
  Reliance on community support means that there might be slower response times and fewer guarantees for help compared to commercial support.
• Niche Application
  Seesaw is mainly targeted at high-availability load balancing on Linux, which might not be suitable for all use cases or operating environments.

• Enhanced Server Stability
  CloudLinux uses its lightweight virtualization technology (LVE) to isolate each tenant on a shared hosting server, preventing any single user from consuming excessive resources and crashing the server for everyone else. This ensures consistent uptime and performance.
• Improved Security with HardenedPHP and KernelCare
  CloudLinux offers HardenedPHP, which patches old and unsupported PHP versions against known vulnerabilities, and KernelCare, which provides live kernel patching without requiring server reboots. These features significantly enhance server security posture.
• Resource Limit Management
  Administrators can set granular resource limits (CPU, memory, I/O, number of processes, etc.) per user account using LVE Manager. This makes it easy to manage shared hosting environments and ensure fair resource distribution among tenants.
• CageFS File System Virtualization
  CageFS creates a virtualized file system for each user, preventing them from seeing other users on the server, viewing sensitive configuration files, or exploiting server vulnerabilities. This adds an important layer of isolation and security.
• Wide Compatibility with Hosting Panels
  CloudLinux integrates seamlessly with popular hosting control panels such as cPanel, Plesk, and DirectAdmin, making it straightforward for hosting providers to adopt without overhauling their existing infrastructure or workflows.

Possible disadvantages

• Additional Licensing Cost
  CloudLinux requires a paid monthly or annual license on top of the base server cost. For smaller hosting providers or individual server owners, this additional expense can add up and may not always be justifiable compared to free alternatives.
• Limited to CentOS/RHEL-Based Systems
  CloudLinux is built on top of RHEL/CentOS and does not support other Linux distributions like Ubuntu or Debian. This limits its adoption for hosting providers who prefer or already run non-RHEL-based environments.
• Learning Curve for Configuration
  While CloudLinux provides powerful resource management tools, properly configuring LVE limits, CageFS, PHP Selector, and other features requires a solid understanding of the platform. Misconfiguration can lead to users being unnecessarily restricted or resources being poorly allocated.
• Potential Performance Overhead
  The additional layers of virtualization, resource monitoring, and file system isolation introduced by CloudLinux can impose a slight performance overhead on the server compared to running a bare, unmodified Linux distribution without these controls.
• Dependency on CloudLinux Ecosystem
  Adopting CloudLinux means relying on their ecosystem for kernel updates, PHP patches, and security fixes. If the company experiences delays in releasing patches or changes its pricing/licensing model, hosting providers may find themselves locked into a dependency that is difficult to migrate away from.

Seesaw Review

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• 10 Open Source Load Balancer for HA and Improved Performance
  geekflare.com · Jan 2022

  Seesaw is developed in Go language and works well on Ubuntu/Debian distro. It supports anycast, DSR (direct server return), and requires two Seesaw nodes. They can be either physical or virtual.

• Top 5 Open-Source Load Balancers 2021
  linuxways.net · May 2021

  Seesaw is another top-performing open-source Load Balancer ensuring efficient website performance. The intuitive and user-friendly Load Balancer is very easy to use along with ensuring Multiple VLAN support, anycast,...

• The 5 Best Open Source Load Balancers
  logz.io · Apr 2020

  Seesaw is another open-source load balancer written in Golang. It was originally created by Google SREs to provide a robust solution for load balancing internal Google infrastructure traffic. When choosing Seesaw,...

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• A Foolish Consistency: Consul at Fly.io

  You could deploy your own: https://github.com/google/seesaw | how-to: https://render.com/blog/how-to-build-an-anycast-network Or have someone else deploy it for you: https://www.vultr.com/docs/configuring-bgp-on-vultr/ |... - Source: Hacker News / over 4 years ago

Tracking CloudLinux since Mar 2021.