Amazon EventBridge vs Cloudflare Durable Objects
Discover how Amazon EventBridge compares to Cloudflare Durable Objects , and understand which is right for your use case, based on dimensions such as core features, pricing, reliability, and scalability.
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.
What is Cloudflare Durable Objects ?
Cloudflare Durable Objects provides an easy way to manage stateful objects with low-latency access and real-time updates. It enables developers to create collaborative, real-time applications using WebSocket connections, ensuring data persistence and consistent performance across distributed clients.
Compare Amazon EventBridge and Cloudflare Durable Objects
Let’s compare Amazon EventBridge and Cloudflare Durable Objects , 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 Cloudflare Durable Objects . The content was last updated on 1 Aug 2024 for Amazon EventBridge and on 10 Oct 2024 for Cloudflare Durable Objects . 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 If you do find anything incorrect or out of date, then please contact us.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 | Cloudflare Durable Objects Partial Cloudflare Durable Objects does not have built-in pub/sub. However, Cloudflare has an MQTT-powered pub/sub service in private beta which can be integrated with Durable Objects. 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 | Cloudflare Durable Objects Partial Cloudflare Durable Objects can implement some chat features, but some require additional Cloudflare services or custom development. File sharing would require integration with Cloudflare R2 for file storage. |
Collaboration capabilities | Enables you to quickly integrate realtime collaborative features like live cursors, member location, avatar stacks, and component locking. | Amazon EventBridge No | Cloudflare Durable Objects Partial Cloudflare Durable Objects can support collaboration capabilities, but require integration with storage services like Cloudflare Workers KV for features like avatar stacks and location data. |
State sync capabilities | Enables realtime data synchronization across devices and users, ensuring a cohesive and up-to-date user experience. | Amazon EventBridge Yes | Cloudflare Durable Objects Yes |
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 | Cloudflare Durable Objects No Cloudflare Durable Objects does not natively support presence; it requires custom implementation. |
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 | Cloudflare Durable Objects No |
Message interactions | Enables interaction with previously-sent messages, facilitating the implementation of features like message reactions and threads. | Amazon EventBridge No | Cloudflare Durable Objects 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 | Cloudflare Durable Objects 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. | Cloudflare Durable Objects No |
Message delta compression | Minimizes bandwidth and can reduce latency, particularly in scenarios where continuous updates are sent. | Amazon EventBridge No | Cloudflare Durable Objects No Cloudflare Durable Objects supports the Brotli and gzip compression algorithms for all responses, rather than delta compression. |
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 | Cloudflare Durable Objects Yes Programmatic management is possible through the Durable Objects REST API. |
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. | Cloudflare Durable Objects No |
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. | Cloudflare Durable Objects Cloudflare Durable Objects is only available on a pay-as-you-go plan. The plan offers 1 million requests and then $0.15/million requests. Connections to Durable Objects are billed as one request. Read more |
Integrations & interoperability | |||
SDKs | Supporting multiple languages and platforms offers greater flexibility when building cross-platform realtime apps. | Amazon EventBridge
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Supported realtime protocols | Support for multiple protocols provides the flexibility to choose a protocol that best suits your project’s requirements. | Amazon EventBridge
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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
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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. | Cloudflare Durable Objects No Cloudflare Durable Objects itself doesn't directly support specific message brokers or streaming platforms. Instead, it provides a runtime environment where you can implement your own logic. |
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. | Cloudflare Durable Objects Partial For observability, Cloudflare Durable Objects can be integrated with Baselime, or can be retrieved with Cloudflare's GraphQL Analytics API. 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:
| Cloudflare Durable Objects Yes Supports:
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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. | Cloudflare Durable Objects Durable Objects scale horizontally across many objects as needed. Each single object can handle up to 1,000 requests per second. Read more |
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. | Cloudflare Durable Objects Partial Cloudflare Durable Objects requires integration with Cloudflare Queues to achieve guaranteed message delivery. Read more |
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 | Cloudflare Durable Objects Partial Cloudflare Durable Objects requires integration with Cloudflare Queues to achieve guaranteed message ordering. Read more |
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. | Cloudflare Durable Objects Partial Cloudflare Durable Objects requires integration with Cloudflare Queues to achieve exactly-once message delivery. Read more |
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 | Cloudflare Durable Objects Cloudflare offers Business customers a 100% uptime SLA with service credits for any failures, while Enterprise customers have separate agreements. Read more |
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 | Cloudflare Durable Objects 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 | Cloudflare Durable Objects Yes Read more |
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 | Cloudflare Durable Objects Yes |
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 | Cloudflare Durable Objects Unknown. |
Security & compliance | |||
API key authentication | Simplifies the authentication code on trusted servers compared to requesting, managing, and refreshing tokens. | Amazon EventBridge Yes | Cloudflare Durable Objects Yes |
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. | Cloudflare Durable Objects No |
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. | Cloudflare Durable Objects No |
Rules for permissions and operations | Provides control over which users can subscribe and publish to certain channels. | Amazon EventBridge Yes | Cloudflare Durable Objects No |
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 | Cloudflare Durable Objects Yes Data in transit is encrypted via TLS/SSL. |
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 | Cloudflare Durable Objects Yes Cloudflare encrypts all users' data at rest using the AES-256 standard. |
Compliance | Compliance with regulations can impact your ability to meet legal obligations in your industry. | Amazon EventBridge
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Alternatives to Amazon EventBridge and Cloudflare Durable Objects
While both Amazon EventBridge and Cloudflare Durable Objects 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
TriggerMesh is a free and open-source AWS EventBridge alternative.
Azure Event Grid is a Pub/Sub message routing service for creating event-driven architectures using MQTT and HTTP protocols.
Confluent Kafka is a scalable and distributed streaming platform that enables real-time data communications.
Alternatives to Cloudflare Durable Objects
Amazon API Gateway is a service for building, deploying, and managing APIs.
AWS AppSync enables developers to seamlessly handle and synchronize mobile app data in real-time across multiple devices and users.
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.
Discover how Amazon EventBridge and Cloudflare Durable Objects stack up against Ably
Ably is the definitive realtime experience platform of the internet. See how we compare to Amazon EventBridge and Cloudflare Durable Objects on key dimensions such as core features, pricing, integrations, QoS, performance, and security and compliance.
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Ably has built reliable realtime infrastructure so you don’t have to. On our free plan you benefit from:
- 6M monthly messages
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