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Cloud Messaging Comparison: AWS vs Azure vs Google Cloud

Cheatsheet comparison of messaging services in AWS, Azure, and Google Cloud

Cloud Messaging Comparison: AWS vs Azure vs Google Cloud

Feature Comparison

FeatureAWS (SQS, SNS, MQ)Azure (Service Bus, Queue, Event Grid)Google Cloud (Pub/Sub, Tasks, MQ)
Queue-based MessagingSQS (FIFO & Standard)Service Bus QueuesCloud Tasks
Pub/Sub MessagingSNSService Bus TopicsPub/Sub
Event-DrivenSNS & EventBridgeEvent GridPub/Sub
Managed Message BrokerAmazon MQService BusCloud MQ
Message OrderingFIFO QueuesFIFO QueuesYes
Transactional SupportPartial (FIFO SQS)YesYes
Auto-ScalingYesYesYes
Best ForGeneral messaging, event-driven appsEnterprise-grade workflowsCloud-native pub/sub workloads

Code Samples

AWS Messaging

Sending a message with SQS (Python - Boto3)

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import boto3

sqs = boto3.client("sqs")

queue_url = "https://sqs.us-east-1.amazonaws.com/123456789012/my-queue"

response = sqs.send_message(
    QueueUrl=queue_url,
    MessageBody="Hello from SQS!"
)

print("Message ID:", response["MessageId"])

Sending a message with SQS (C# - AWS SDK)

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using Amazon.SQS;
using Amazon.SQS.Model;
using System;
using System.Threading.Tasks;

class Program
{
    static async Task Main()
    {
        var sqsClient = new AmazonSQSClient();
        var queueUrl = "https://sqs.us-east-1.amazonaws.com/123456789012/my-queue";

        var sendMessageRequest = new SendMessageRequest
        {
            QueueUrl = queueUrl,
            MessageBody = "Hello from SQS!"
        };

        var response = await sqsClient.SendMessageAsync(sendMessageRequest);
        Console.WriteLine($"Message ID: {response.MessageId}");
    }
}

🔗 AWS SDK Docs: Boto3 (Python) | AWS SDK for .NET


Azure Messaging

Sending a message with Azure Service Bus (Python - Azure SDK)

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from azure.servicebus import ServiceBusClient, ServiceBusMessage

connection_str = "your_connection_string"
queue_name = "myqueue"

client = ServiceBusClient.from_connection_string(connection_str)

with client.get_queue_sender(queue_name) as sender:
    message = ServiceBusMessage("Hello from Azure Service Bus!")
    sender.send_messages(message)

print("Message sent successfully!")

Sending a message with Azure Service Bus (C# - Azure SDK)

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using Azure.Messaging.ServiceBus;
using System;
using System.Threading.Tasks;

class Program
{
    static async Task Main()
    {
        string connectionString = "your_connection_string";
        string queueName = "myqueue";

        await using var client = new ServiceBusClient(connectionString);
        await using var sender = client.CreateSender(queueName);

        var message = new ServiceBusMessage("Hello from Azure Service Bus!");
        await sender.SendMessageAsync(message);

        Console.WriteLine("Message sent successfully!");
    }
}

🔗 Azure SDK Docs: Azure Service Bus (Python) | Azure Service Bus .NET


Google Cloud Messaging

Publishing a message with Pub/Sub (Python - Google SDK)

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from google.cloud import pubsub_v1

project_id = "your-project-id"
topic_id = "my-topic"

publisher = pubsub_v1.PublisherClient()
topic_path = publisher.topic_path(project_id, topic_id)

future = publisher.publish(topic_path, b"Hello from Google Pub/Sub!")
print(f"Published message ID: {future.result()}")

Publishing a message with Pub/Sub (C# - Google SDK)

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using Google.Cloud.PubSub.V1;
using System;
using System.Threading.Tasks;

class Program
{
    static async Task Main()
    {
        string projectId = "your-project-id";
        string topicId = "my-topic";

        PublisherClient publisher = await PublisherClient.CreateAsync(TopicName.FromProjectTopic(projectId, topicId));
        string messageText = "Hello from Google Pub/Sub!";

        string messageId = await publisher.PublishAsync(messageText);
        Console.WriteLine($"Published message ID: {messageId}");
    }
}

🔗 Google Cloud SDK Docs: Google Cloud Pub/Sub (Python) | Google Cloud Pub/Sub .NET


Final Thoughts

  • AWS SQS & SNS: Great for standard messaging, but Amazon MQ is needed for enterprise-style message brokering.
  • Azure Service Bus: Best for enterprise use-cases—supports transactions and advanced workflows.
  • Google Pub/Sub: Designed for event-driven, cloud-native apps—integrates easily with Google Cloud Functions and AI services.

No matter which service you choose, don’t let your messages disappear into the void—monitor, log, and retry failed deliveries. 🚀

Key Ideas Table

ConceptExplanation
AWS SQSQueue-based messaging service in AWS
AWS SNSPublish-subscribe messaging service
Azure Service BusMicrosoft’s enterprise-grade message broker
Google Pub/SubGoogle’s distributed pub/sub system
FIFO QueueEnsures messages are processed in order
Message BrokeringHandling and routing messages between systems
Auto-ScalingAutomatic scaling of messaging infrastructure
Event-DrivenTriggering services based on message events

References