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HCL Sametime® Administration Guide 12.0.1
Planning
This section describes the system requirements and server configurations needed for HCL Sametime and HCL Sametime Premium.
Platforms
Docker and Kubernetes have different goals and outcomes. The decision about which platform to use depends on your end goal.
Running and managing containers with Docker and Podman

HCL Sametime® Administration Guide 12.0.1
- Accessibility features for Sametime
  Accessibility features help users who have a disability, such as restricted mobility or limited vision, use information technology products successfully. HCL® strives to provide products with usable access for everyone.
- What's new
  HCL Sametime and HCL Sametime Premium 12.0.1 provide many new features, enhancements and fixes to servers and clients. Additional releases to version 12.0.1 also provides updates to the product.
- Planning
  This section describes the system requirements and server configurations needed for HCL Sametime and HCL Sametime Premium.
  - Sametime versus Sametime Premium
    Depending on the Sametime product that is installed, certain Sametime features might be available. HCL Sametime provides secure real-time communication across devices, and HCL Sametime Premium expands those features to include video and file sharing.
  - Prerequistes
    Before you begin the install process, ensure that the environment includes all prerequistes and system requirements.
  - Platforms
    Docker and Kubernetes have different goals and outcomes. The decision about which platform to use depends on your end goal.
    - Running and managing containers with Docker and Podman
    - Planning for Sametime in a Kubernetes environment
      Kubernetes provides container orchestration for managing containers. When using this platform, you must consider how to manage operations, scalability, and security.
  - Meeting server FAQ
    The Meeting server routes media traffic.
  - Sametime clients
    Several client types are supported providing flexibility in how users can access chats and meetings. A single deployment can implement several client types.
  - Planning the network topology and connectivity
    This topic explains how Sametime components are connected and the default ports that are used. There are also example topologies to illustrate how Sametime can be deployed in different scenarios.
  - Network planning for meetings
  - Clustering and high availability
    High availability and high capacity configuration for Sametime is achieved in different ways depending on which component is being configured for HA. See the topics below to learn more about chat, meetings, and MongoDB.
- Installing
  This section provides information on installing the servers for Sametime and Sametime Premium.
- Configuring
  This section provides information on configuring the HCL Sametime server. Configuration tasks are dependent on the deployment environment.
- Securing
  This section provides information on securing your HCL Sametime environments.
- Administering
  This section provides information on administering on Sametime environments.
- Troubleshooting
  This section provides information on troubleshooting and supporting Sametime environments.
- Uninstalling Sametime
  In the event that Sametime must be removed, follow the procedure for the platform that Sametime is installed on.
- Migrating and Upgrading
  This section provides information on migrating data from an earlier release to Sametime 12.
- Notices

Running and managing containers with Docker and Podman

Docker and Podman are third-party products. HCL support is available to assist in configuration and support-related issues as they pertain to the Sametime product. If you require assistance with a full platform deployment, contact HCL Services or one of our HCL Business Partners to inquire about professional services.

Note: Download the platform package directly from your vendor.

Docker and Podman are open-source tools used for developing, managing, and running containers on your Linux® systems. What differentiates Podman from Docker is Podman's daemon-less architecture. To learn more about these technologies, refer to Podman vs. Docker topic in the RedHat documentation.

Deployment and support

The number of concurrent users that Sametime can support depends on the size of the deployment.

System requirements: The minimum requirements must be available to install the product successfully. For details on system requirements, see the System requirements article.

Meeting size: By default, there is a limit of 100 participants for every meeting. To reach a wider audience, you can start a live stream and share the link with all intended participants. The limit is configurable. For more information, refer to Configuring the maximum number of meeting participants.

Migration

When moving to a new server, redeploy Sametime as a new configuration. If the server host name in the URL changes, you can push the new URL to the Connect and Embedded clients using Managed Settings or Domino Desktop policy (Embedded only). For more information, refer to Updating connectivity settings with the managed-community-configs.xml file.

Existing URLs work if the host name remains the same.

Disaster recovery

The backup and restore process is handled outside of Sametime. Consult with your Docker or Podman vendor for details.

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