This section provides definitions for commonly used terms of this documentation.

Term Definition
cells Static binary, compiled for each platform. cells contains all microservices necessary to launch the server platform, as well as a couple of command-line tools to communicate with a running Cells instance.
cells-enterprise Static binary containing cells and additional microservices for implementing Cells Connect and Cells Enterprise features. Requires a valid license key to run.
cells-sync Desktop synchronization client. cells-sync communicates with a running Cells server.
cells-client Command line client that provides tools to communicate with a running Cells server via its REST API.
FQDN Fully Qualified Domain Name, e.g.
Gateway Receives all incoming HTTP/TCP connections to Cells and acts as a load balancer / proxy / routing service to the multiple microservices of the Cells environment.
Microservice Independant brick that exposes a set of internal APIs inside Cells. For example, there are microservices for managing users, workspaces, logs, etc.
Site Configuration item describing an entrypoint to the Gateway.
Binding Address [ip:port] declared by a Site to bind to a given port of a network interface. Can be a URL in case of a Let's Encrypt setup
External URL Users access this URL to connect to Cells. It can be exposed by a third-party Reverse Proxy. It must be fully defined, such as http[s]://<ip|domain>[:port] .
Datasource Cells access to a physical storage, can be seen as a "mount point" to either a local filesystem, a S3-compatible storage, etc. Cells indexes all content detected in all datasources.
Workspace Virtual access to any file/folder indexed in any datasource. Workspaces are managed by Administrators.
Cell Virtual access granted by users to others on the files they are allowed to see. Cells inherit their parent Workspace security rules, and can be seen as "sandboxed" user-managed workspaces.
Role-Based ACL Permissions inheritance system based on roles and groups
Rule-Based ACL Permissions inheritance system based on Security Policies
Role Set of permissions that can be applied to any user.
Group Group of users, coming with their own set of permissions. Users can only belong to one group and inherit their parent groups permissions.
Security Policy Condition-based rules dynamically computed to filter listings and accesses. Matched against the user/query/metadata context.
Versioning Policy Admin-defined rules for keeping/removing/pruning files versions in each datasource.
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