AWS Lambda

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aws.amazon.com

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

Amazon Key Management Service

Website

aws.amazon.com

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Categories

#Network & Admin #Security & Privacy #Password Management #Cloud Hosting

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.

Amazon Key Management Service features and specs

• Scalability
  Amazon KMS is designed to automatically scale with your needs, accommodating a large number of keys and encryption operations without requiring manual intervention.
• Integration
  KMS seamlessly integrates with other AWS services, making it easier to incorporate encryption into your existing AWS infrastructure and workflows.
• Security and Compliance
  Amazon KMS offers high levels of security, including key rotation and access controls, and helps in meeting various compliance requirements such as PCI-DSS and HIPAA.
• Centralized Key Management
  Provides a central place to manage encryption keys, enabling simplified oversight and control over data encryption across multiple services.
• Cost-Effective
  Offers a pay-as-you-go pricing model, allowing you to manage costs effectively by only paying for what you use.

Possible disadvantages of Amazon Key Management Service

• Complexity in Setup
  Setting up and managing KMS may require a steep learning curve, especially for those unfamiliar with AWS services or encryption practices.
• AWS-Dependent
  Tightly integrated with the AWS ecosystem, limiting its usefulness to environments that are fully AWS-centric and less beneficial if multi-cloud strategies are in place.
• Latency
  Operations using KMS could introduce additional latency in applications, as each encryption, decryption, or key management operation may involve network calls.
• Cost Over Time
  Costs can accumulate over time, especially for large-scale deployments or high-frequency encryption operations, sometimes making the service expensive compared to other solutions.
• Limited Customizability
  While KMS offers robust features, it may lack the degree of customizability offered by on-premises or alternative key management solutions tailored to specific use cases.

AWS Lambda Vs EC2 | Serverless Vs EC2 | EC2 Alternatives

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