deepstreamIO/deepstream.io

Features

• General-Purpose Realtime Servers - Synchronizes JSON records, events, and remote procedure calls across clients and backend services in real time.
• Cross-Client Synchronization - Keeps shared data records synchronized in real time across all connected clients.
• Realtime Document Synchronization - Keeps JSON records synchronized across all connected clients and backend services in real time.
• Realtime Synchronizations - Synchronizes editable JSON records across all connected clients with caching and storage.
• Realtime Synchronizations - Propagates partial or full JSON changes instantly to keep all clients consistent.
• Realtime Synchronization - Keeps JSON records and state synchronized across all connected clients and backend services in real time.
• Realtime Document Database Servers - Persists and synchronizes JSON documents across connected clients with caching, storage, and atomic updates.
• Nested Path Reads and Writes - Sets, gets, and subscribes to changes on full records or specific nested JSON paths.
• Realtime List Synchronizations - Synchronizes data across all connected clients and backend services as changes occur in real time.
• Realtime Client Connections - Ships a client library for authenticating browser-based connections to the realtime server.
• Publish-Subscribe Messaging - Routes topic-based messages from any sender to all subscribers with automatic data serialization.
• Realtime Messaging Providers - Delivers messages instantly between clients and servers without polling for live communication.
• Pub-Sub Messaging - Routes topic-based messages from any sender to all subscribers with automatic serialization.
• General-Purpose Pub/Sub Servers - Routes topic-based messages from any publisher to all subscribers with automatic serialization and delivery.
• Remote Procedure Calls - Invokes named functions on remote clients or servers and returns results to coordinate distributed actions.
• RPC Servers - Routes remote procedure calls between clients and backend processes for request/response workflows.
• Authentication and Authorization - Combines multiple authentication mechanisms with a declarative permission language for granular access control.
• Per-Message Authorizations - Validates user identity and permissions on each individual message, from the connection down to the data payload.
• Credential Authentication - Validates client credentials against one of several configurable authentication strategies before granting access.
• Authentication Gateways - Authenticates and authorizes every message using multiple strategies including JWT, HTTP, and file-based credentials.
• RPC - Routes function invocations from requesting clients to registered provider processes and returns results.
• Action-Based Access Restrictions - Controls which users can create, read, write, delete, or listen to specific records based on user attributes.
• Declarative Permission Modelers - Uses a declarative permission language to control access to records, events, and RPCs.
• Granular Permission Systems - Uses a declarative permission language to control which user can read, write, or invoke each record, event, or RPC.
• Authentication Strategies - Validates incoming connections against one or more authentication mechanisms in declared order until one succeeds.
• Authentication Pipelines - Validates client credentials against multiple configurable authentication mechanisms in declared order.
• Event Driven Messaging - Routes topic-based messages from any sender to all subscribers with automatic serialization.
• Remote Procedure Calls - Provides a remote procedure call mechanism for invoking backend functions from clients.
• Atomic Multi-Path Updates - Applies several changes to different parts of a record in a single atomic operation.
• External Storage Integrations - Connects to external databases and caches for persistent storage and fast short-term data access.
• Database Backend Integration - Connects to external databases for persistent storage and querying of records.
• Single-Threaded - Runs multiple independent single-threaded nodes that distribute load across cloud instances.
• Horizontal Scaling Deployments - Runs multiple single-threaded server nodes that distribute load across cloud instances.
• Application-Level Request Distributors - Balances RPC invocations across multiple registered providers with automatic failover to alternatives.
• Subscription Listeners - Implements a listen pattern that notifies backend services when clients subscribe to topics.
• Subscription-Activated Data Streams - Notifies backend services when clients subscribe to topics to start streaming live data.
• JSON Web Tokens - Verifies client identity by decoding and validating a signed JWT presented at connection time.
• TLS Traffic Encryption - Secures all traffic between clients and the server using TLS/SSL encryption.
• Pluggable Storage Backends - Supports plugin-based storage architecture for connecting to external databases and caches.
• Data Validation - Checks new or modified data against user-defined expressions before allowing a write operation to proceed.

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