Amazon SNS

Website

aws.amazon.com

$ Details

-

Categories

#Push Notifications #Web Push Notifications #Cloud Hosting #Mobile Push Messaging

AWS Lambda

Website

aws.amazon.com

$ Details

Categories

#Cloud Computing #Cloud Hosting #Business & Commerce #Object Storage

Amazon SNS features and specs

• Scalable
  Amazon SNS can handle a high-throughput of messages, making it suitable for large-scale applications.
• Flexible
  Supports multiple message delivery formats and protocols, including HTTP/S, SQS, Lambda, SMS, and email.
• Easy Integration
  Seamlessly integrates with various AWS services such as EC2, S3, and Lambda, simplifying the overall architecture.
• Real-time Notifications
  Provides near-instantaneous notifications, ideal for time-sensitive applications.
• Reliability
  Offers high availability and durability, ensuring that messages are reliably delivered.
• Cost-effective
  Pay-as-you-go pricing model can be cost-effective for various use cases.
• Security Features
  Supports fine-grained access control and encryption to ensure secure message delivery.

Possible disadvantages of Amazon SNS

• Complexity
  May require a learning curve to fully understand and configure, particularly for those not familiar with AWS services.
• Potential Latency
  Message delivery can occasionally have latency issues, particularly over less reliable network connections.
• Limited Message Size
  SNS has a limit of 256KB per message, which may be restrictive for certain use cases.
• Cost Overhead
  While it can be cost-effective, costs can accumulate with high volume and usage, especially if you are not optimizing your resources.
• Vendor Lock-in
  Using SNS ties you to the AWS ecosystem, which might be a disadvantage if you are looking for a multi-cloud or cloud-agnostic solution.
• Limited Protocols for Direct Communication
  Although several protocols are supported, certain specific or legacy protocols may not be directly compatible.

AWS Lambda features and specs

• Scalability
  AWS Lambda automatically scales your application by running your code in response to each trigger. This means no manual intervention is required to handle varying levels of traffic.
• Cost-effectiveness
  You only pay for the compute time you consume. Billing is metered in increments of 100 milliseconds and you are not charged when your code is not running.
• Reduced Operations Overhead
  AWS Lambda abstracts the infrastructure management layer, so there is no need to manage or provision servers. This allows you to focus more on writing code for your applications.
• Flexibility
  Supports multiple programming languages such as Python, Node.js, Ruby, Java, Go, and .NET, which allows you to use the language you are most comfortable with.
• Integration with Other AWS Services
  Seamlessly integrates with many other AWS services such as S3, DynamoDB, RDS, SNS, and more, making it versatile and highly functional.
• Automatic Scaling and Load Balancing
  Handles thousands of concurrent requests without managing the scaling yourself, making it suitable for applications requiring high availability and reliability.

Possible disadvantages of AWS Lambda

• Cold Start Latency
  The first request to a Lambda function after it has been idle for a certain period can take longer to execute. This is referred to as a 'cold start' and can impact performance.
• Resource Limits
  Lambda has defined limits, such as a maximum execution timeout of 15 minutes, memory allocation ranging from 128 MB to 10,240 MB, and temporary storage up to 512 MB.
• Vendor Lock-in
  Using AWS Lambda ties you into the AWS ecosystem, making it difficult to migrate to another cloud provider or an on-premises solution without significant modifications to your application.
• Complexity of Debugging
  Debugging and monitoring distributed, serverless applications can be more complex compared to traditional applications due to the lack of direct access to the underlying infrastructure.
• Cold Start Issues with VPC
  When Lambda functions are configured to access resources within a Virtual Private Cloud (VPC), the cold start latency can be exacerbated due to additional VPC networking overhead.
• Limited Execution Control
  AWS Lambda is designed for stateless, short-running tasks and may not be suitable for long-running processes or tasks requiring complex orchestration.

No Amazon SNS videos yet. You could help us improve this page by suggesting one.

Add video

AWS Lambda Vs EC2 | Serverless Vs EC2 | EC2 Alternatives

More videos: