Deno VS NetSim

• Security
  Deno has a secure-by-default approach, requiring explicit permission for file, network, and environment access, which reduces the risk of malicious code.
• Built-in Tooling
  Deno includes built-in tools like a dependency inspector, a code formatter, and a test runner, reducing the need for additional setup.
• Modern JavaScript/TypeScript
  Deno supports modern JavaScript and has built-in TypeScript support, making it easier to work with contemporary codebases without additional configuration.
• Simplified Module Management
  Deno uses URLs for importing modules, eliminating the need for a package manager like npm and simplifying dependency management.
• Compatibility with Web Standards
  Deno aims to be browser-compatible, adhering closely to web standards like the Fetch API, making it easier to share code between the server and the client.

Possible disadvantages

• Ecosystem Maturity
  Deno's ecosystem is relatively new compared to Node.js, resulting in fewer libraries, tools, and community resources.
• Breaking Changes
  Due to its rapid development, Deno can have breaking changes between versions, potentially requiring more frequent updates and code adjustments.
• Performance
  Deno's performance may not match that of optimized Node.js applications, especially for certain workloads where Node.js has been highly tuned.
• Learning Curve
  Even though Deno is designed to be familiar to JavaScript and TypeScript developers, it introduces new concepts (like secure-by-default) that may require a learning curve.
• Limited Enterprise Adoption
  Being relatively new, Deno has limited enterprise adoption, which might make it less appealing for large-scale or long-term projects that rely on a robust support ecosystem.

• Comprehensive Lab Exercises
  NetSim offers a wide variety of lab exercises that cover different levels of networking expertise from beginner to advanced. This helps users gain practical experience and a deep understanding of networking concepts.
• Realistic Network Simulations
  NetSim provides realistic network simulations that closely mimic actual networking environments. This provides users with a genuine feel of working with real networking hardware and configuration scenarios.
• Learning Mode and Skill Building
  The platform includes interactive learning modes that aid in skill building. These modes guide users through lab exercises, offering hints and feedback to ensure a smooth learning curve.
• Versatility
  NetSim is versatile and can be used for certifications like Cisco's CCNA, CCNP, and others. This makes it a good investment for those who are pursuing multiple certifications.
• Cost-effective
  Compared to purchasing actual networking hardware, NetSim is a cost-effective solution for hands-on network training and practice.

Possible disadvantages

• Limited Hardware Interaction
  NetSim is a simulation tool, so it does not provide the physical interaction with networking equipment, which can be a drawback for users wanting to gain experience with actual hardware.
• Performance Limitations
  Because it is software-based, NetSim may have performance limitations compared to real networking hardware, particularly in handling very large scale or complex network topologies.
• Dependency on Software Updates
  Users are reliant on Boson to provide regular updates to the software to keep it in line with current networking technologies and certification requirements. Any delay in updates can be a drawback for users.
• Learning Curve
  While NetSim offers guidance, there is still a learning curve associated with effectively using the software. New users might find it challenging initially.
• Cost
  Although cost-effective relative to purchasing physical hardware, NetSim itself is a paid software and might be considered expensive for individual learners or small institutions.

Why nobody is using Deno?

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• 100 Most Useful Open Source Projects

  Deno — https://deno.land Technology: JavaScript/TypeScript runtime. Backed / sponsored by: Deno Company + open source community. How to generate revenue: Paid hosting, enterprise support, managed Deno services, training. Description... - Source: dev.to / about 1 year ago

• Benchmarking in Node.js vs Deno: A Comprehensive Comparison

  Deno.bench("URL parsing", () => { new URL("https://deno.land"); }); Deno.bench("Async method", async () => { await crypto.subtle.digest("SHA-256", new Uint8Array([1, 2, 3])); }); Deno.bench({ name: "Long form", fn: () => { ... - Source: dev.to / almost 2 years ago

• Deno 2.0 REST API Explained: Faster, Secure JavaScript Development

  // Importing the serve function from Deno's standard library Import { serve } from "https://deno.land/std@0.196.0/http/server.ts"; // Function to handle requests Async function handler(req: Request): Promise { const {... - Source: dev.to / about 2 years ago

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Tracking NetSim since Mar 2021.