Productivity & Collaboration
Design Slack / Discord (Group chats, presence, and channels)
A multi-channel team communication platform managing persistent WebSocket fan-out across large, dynamically-membered channels and servers.
Open and Simulate this Architecture in InfraDraftCore Architectural Components
WebSocket Gateway
Manages per-connection fan-out across potentially huge channel memberships.
Channel/Server Membership Service
Tracks who belongs to which channel or server.
Message Store
Durable, per-channel ordered message log.
Presence Service
Online/idle/do-not-disturb status broadcast to relevant members.
Push Notification Service
Delivers mentions and DMs when a user isn't actively connected.
Search Indexing Service
Full-text search across a workspace's message history.
Voice/Video Channel Signaling Service
Coordinates real-time voice/video sessions within a channel.
Permission/Role Management Service
Fine-grained access control per channel, role, and server.