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Amazon EventBridge vs SignalR

Discover how Amazon EventBridge compares to SignalR, and understand which is right for your use case, based on dimensions such as core features, pricing, reliability, and scalability.

Amazon EventBridge logo

What is Amazon EventBridge?

Amazon EventBridge is a serverless event bus service that enables real-time response to state changes in your applications. Using an event bus, it collects data from multiple sources, processes and routes them between other AWS services or external SaaS providers. This simplifies the building of scalable and loosely coupled systems in event-driven architectures.

Suitable for:

  • Multiple systems syncing
  • Event-driven automation
  • Data processing
  • Tasks scheduling
  • Monitoring and auditing

Not suitable for:

  • Two-way communication
  • On-premises applications
  • Legacy systems
  • Complex event processing

Pros:

  • Event archive & replay
  • Serverless architecture
  • Event replay & filtering
  • Custom event buses

Cons:

  • Vendor lock-in
  • Complex access control
  • Low throughput
SignalR

What is SignalR?

SignalR is an open-source library that simplifies adding real-time web functionality to apps. It is integrated into the ASP.NET Core web development stack and provides a mechanism for two-way remote procedure calls between client and server.

Suitable for:

  • Apps that require high frequency updates from the server, like gaming, social networks, voting, auction, maps, and GPS apps.
  • Dashboards and monitoring apps
  • Collaborative apps
  • Apps that require notifications

Not suitable for:

-Stateless applications -Apps with high scalability requirements -Apps with high throughput requirements

Pros:

  • Open source
  • Free to use

Cons:

  • Self-hosted
  • Complex to manage

Compare Amazon EventBridge and SignalR

Let’s compare Amazon EventBridge and SignalR, looking at key dimensions such as their core features, pricing, integrations, QoS, performance, and security and compliance.

Disclaimer:This comparison was created based on documentation and resources freely available online about Amazon EventBridge and SignalR. The content was last updated on 1 Aug 2024 for Amazon EventBridge and on 26 Sept 2024 for SignalR. Be sure to double-check everything before you make any decisions. If you do find anything incorrect or out of date, then please contact us.

Core features
Pub/Sub messaging

Reduces communication code complexity, simplifying the process of building highly functional and architecturally complex realtime apps.

Amazon EventBridge

Yes

SignalR

Partial

The SignalR SDKs do not provide a topic abstraction out of the box, but they provide a "groups" abstraction which lets you implement something similar.

Read more
Chat capabilities

Accelerates the time to implement rich chat experiences with features such as read receipts, typing indicators, and more.

Amazon EventBridge

No

SignalR

Yes

SignalR (ASP.net) allows you to implement chat capabilities.

Read more
Collaboration capabilities

Enables you to quickly integrate realtime collaborative features like live cursors, member location, avatar stacks, and component locking.

Amazon EventBridge

No

SignalR

No

State sync capabilities

Enables realtime data synchronization across devices and users, ensuring a cohesive and up-to-date user experience.

Amazon EventBridge

Yes

SignalR

No

Presence

Maintaining a view of which users are connected, and their associated metadata, enables their online status to be updated in realtime.

Amazon EventBridge

No

SignalR
Occupancy

High-level metrics about the clients currently connected to a channel make it simple to show things such as connected user count, or display which channels are the most popular.

Amazon EventBridge

No

SignalR

No

Message interactions

Enables interaction with previously-sent messages, facilitating the implementation of features like message reactions and threads.

Amazon EventBridge

No

SignalR

No

Message history

Enables clients to catch up on missed messages when inactive, ensuring a user doesn’t miss any important messages.

Amazon EventBridge

Yes

SignalR

No

Push notifications

Cross-platform push notifications make it possible to deliver important and timely messages to users even when they’re inactive.

Amazon EventBridge

Partial

Amazon EventBridge does not support native push notifications. Notifications can be sent to communication channels by integrating with AWS Chatbot.

SignalR

No

Microsoft Azure Web PubSub has no native push notification functionality. Microsoft has a separate service for this - Azure Notification Hubs.

Read more
Message delta compression

Minimizes bandwidth and can reduce latency, particularly in scenarios where continuous updates are sent.

Amazon EventBridge

No

SignalR

No

Programmatic management

Enables the automation of provisioning, management, and testing of service resources, simplifying integration with existing development workflows such as CI.

Amazon EventBridge

Yes

SignalR

No

Pricing
Free plan

With a free plan, you can test the service’s functionality and compatibility with your project before committing to a paid plan.

Amazon EventBridge

Yes

Free access to AWS default service events for event buses. Custom events, third-party SaaS, and cross-account events are paid.

SignalR

Yes

Self-hosted and free.

Pricing model

The pricing model should align with your project's expected load, usage patterns, and budget in order to be cost-effective and efficient.

Amazon EventBridge

Amazon EventBridge has a limited free tier and a pay-as-you-go pricing model based on the number of events published to EventBridge, the number of invocations, events replayed, and schema discovery. The cost varies based on the event type. You can read more about the pricing plan on Amazon's website.

SignalR

N/A (self-hosted)

Integrations & interoperability
SDKs

Supporting multiple languages and platforms offers greater flexibility when building cross-platform realtime apps.

Amazon EventBridge
  • Go
  • PHP
  • Java
  • Javascript
  • .NET
  • Kotlin
  • Python
  • C++
  • Ruby
SignalR

Client SDKs:

  • ASP.NET Core
  • Java
  • JavaScript (browser, Node)
  • C++ (experimental)
  • Swift (experimental)

Server SDKs:

  • ASP.NET Core
Supported realtime protocols

Support for multiple protocols provides the flexibility to choose a protocol that best suits your project’s requirements.

Amazon EventBridge
  • HTTPS
  • Webhooks
SignalR
  • WebSockets
  • Server-sent events (SSEs)
  • Long polling
Serverless functions

Enables integration with third-party cloud providers by facilitating the execution of custom code against messages to perform business logic like on-the-fly translation.

Amazon EventBridge
  • AWS Lambda
SignalR

None.

Streaming & queueing

Provides a dependable method to reroute messages from the service to third-party streams and queues for further processing.

Amazon EventBridge

Partial

Available through Amazon SQS.

SignalR

No

Observability services

Enables realtime monitoring and troubleshooting by offering insights into service behavior directly in your observability platform of choice.

Amazon EventBridge

Partial

Amazon EventBridge provides an integration with Amazon CloudWatch for monitoring usage and metrics.

SignalR

Partial

SignalR is integrated with ASP.net Core metrics, and these can be reported to a monitoring system at regular intervals.

Read more
CI/CD tools

Makes it possible to provision and configure service infrastructure as part of a CI or CD pipeline, enabling repeatable and reliable deployments.

Amazon EventBridge

Yes

Supports:

  • AWS CodePipeline
  • AWS CodeBuild
  • AWS CodeDeploy
SignalR

No

Self-hosted, so you will have to implement your own.

Quality of Service
Scalability

Scalability is vital as it ensures the service can handle increased data load or users without compromising performance.

Amazon EventBridge

No published metrics are available.

SignalR

N/A (self-hosted)

Guaranteed message delivery

Ensures messages are never lost during transmission, even in the presence of network disruptions.

Amazon EventBridge

Yes

Amazon EventBridge promises at-least-once event delivery. It will try to deliver an event to a target for up to 24 hours.

SignalR

No

Guaranteed message ordering

Maintains the sequence of messages as they were sent. This is particularly important in apps where the chronological order of messages is essential for meaningful communication.

Amazon EventBridge

No

SignalR

No

Exactly-once message delivery

Guarantees that each message is processed exactly once, preventing data inconsistencies that can arise from duplicate processing or missing messages.

Amazon EventBridge

No

Amazon EventBridge does not support exactly-once delivery semantics out of the box. It ensures at least-once delivery, but does not guarantee exactly-once delivery.

SignalR

No

Performance & availability
Uptime Guarantee

An uptime guarantee instills confidence in the reliability of the service and protects your business from the negative impacts of downtime.

Amazon EventBridge

99.99%.

Read more
SignalR

N/A

Global edge network

By bringing servers (Points of Presence, or PoP) geographically closer to the devices of end users, and routing requests to the nearest PoP, global latency is reduced to a minimum.

Amazon EventBridge

Yes

SignalR

No

Multi-region data replication (message durability)

By replicating data across multiple regions, the risk of data loss or downtime is greatly mitigated since if data is lost or a server fails in one region, the information can be retrieved from another.

Amazon EventBridge

No

SignalR

No

No single point of failure or congestion

Having no single point of failure means a system is resilient and can continue to operate even if one part fails. Avoiding a single point of congestion ensures messages flow efficiently across the system and avoids bottlenecks that could lead to performance issues under load.

Amazon EventBridge

Yes

SignalR

No

Latency

Low latency is crucial for realtime apps as it ensures swift and efficient data transmissions, providing a smoother and more responsive user experience.

Amazon EventBridge

500ms global average latency

Read more
SignalR

N/A (self-hosted)

Security & compliance
API key authentication

Simplifies the authentication code on trusted servers compared to requesting, managing, and refreshing tokens.

Amazon EventBridge

Yes

SignalR

No

Token-based authentication

Provides a means to securely authenticate user devices against your user management system.

Amazon EventBridge

Yes

Amazon EventBridge uses the AWS STS (Security Token Service) for token-based authentication.

SignalR

Yes

It is possible to use token based authentication with ASP.net Core.

Read more
Single Sign-On (SSO) authentication

SSO streamlines login processes, boosts security by minimizing password use, and meets compliance needs for secure data access management.

Amazon EventBridge

Yes

Amazon EventBridge supports Single Sign-On (SSO) through AWS SSO.

SignalR

Yes

This is possible in conjunction with an identity platform like Microsoft Entra.

Read more
Rules for permissions and operations

Provides control over which users can subscribe and publish to certain channels.

Amazon EventBridge

Yes

SignalR

Yes

You can restrict access to hubs and hub methods to users matching specific authorization policies.

Read more
End-to-end encryption

Ensures that the data transmitted between the client and the API server remains confidential and secure while in transit.

Amazon EventBridge

Yes

SignalR

No

You would need to implement this yourself.

Encryption at rest

Ensures data stored by the service is secure and compliant, while also mitigating the risks of a data breach.

Amazon EventBridge

Yes

SignalR

No

Compliance

Compliance with regulations can impact your ability to meet legal obligations in your industry.

Amazon EventBridge
  • HIPAA
  • EU GDPR
  • SOC 2 TYPE I
  • SOC 2 Type II
SignalR

N/A

Alternatives to Amazon EventBridge and SignalR

While both Amazon EventBridge and SignalR are worth considering as options for realtime experiences, they aren’t without their limitations. We suggest evaluating them against the following alternatives to make sure you find the right solution for your needs.

Alternatives to Amazon EventBridge

tech provider image

TriggerMesh is a free and open-source AWS EventBridge alternative.

Azure-event-grid logo

Azure Event Grid is a Pub/Sub message routing service for creating event-driven architectures using MQTT and HTTP protocols.

tech provider image

Confluent Kafka is a scalable and distributed streaming platform that enables real-time data communications.

See more alternatives to Amazon EventBridge

Alternatives to SignalR

Socketio logo

Socket.IO is a library that provides realtime, bi-directional communication between clients and servers. It allows the management of connections, sending and receiving messages, and more.

Pusher logo

Pusher is a first-generation pub/sub messaging service that provides bi-directional hosted APIs for adding realtime features to applications.

Firebase logo

Firebase Realtime Database is a cloud-hosted database by Google, allowing developers to build realtime applications for web and mobile.

See more alternatives to SignalR

Discover how Amazon EventBridge and SignalR stack up against Ably

Ably is the definitive realtime experience platform of the internet. See how we compare to Amazon EventBridge and SignalR on key dimensions such as core features, pricing, integrations, QoS, performance, and security and compliance.

Try Ably for free to discover the benefits for yourself

Ably has built reliable realtime infrastructure so you don’t have to. On our free plan you benefit from:

  • 6M monthly messages
  • 200 concurrent channels
  • 200 concurrent connections