AWS Lambda

Website

aws.amazon.com

$ Details

Categories

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

ns-3

Website

nsnam.org

$ Details

Categories

#Simulation Software #Tool #Technical Computing #Numerical Computation

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.

ns-3 features and specs

• Open Source
  ns-3 is an open-source network simulator, which means it is freely available for use, modification, and distribution. This allows researchers and developers to customize the simulator to meet their specific requirements.
• Realistic Simulation
  ns-3 provides highly detailed and accurate network models, making it suitable for simulating complex networking scenarios and protocols with realistic behavior.
• Active Community
  The ns-3 community is active and provides a wealth of resources, including documentation, tutorials, and forums. This can be helpful for troubleshooting issues and staying updated with the latest advancements.
• Wide Range of Protocols
  ns-3 supports a broad range of network protocols and technologies, enabling users to simulate diverse network environments and study the interactions between various protocol layers.

Possible disadvantages of ns-3

• Steep Learning Curve
  Due to its complexity and detailed models, ns-3 can be difficult to learn for beginners, requiring a solid understanding of both the simulation environment and networking principles.
• High Resource Usage
  Simulating large and complex networks with ns-3 can be resource-intensive, demanding significant computational power and memory, which may be a limitation for some users.
• C++ Complexity
  ns-3 is primarily implemented in C++, which can be challenging for users who are not familiar with the language or its intricacies, leading to potential difficulties in writing and debugging simulation scripts.
• Limited Visualization Tools
  While ns-3 provides a fundamental graphics interface, its visualization capabilities are not as robust as some other network simulators, which may hinder users who need comprehensive visual insights into their network simulations.

AWS Lambda Vs EC2 | Serverless Vs EC2 | EC2 Alternatives

More videos:

No ns-3 videos yet. You could help us improve this page by suggesting one.

Add video