AM1 - lore from tutorials

1. tutorial - Introduction

• curl (Client URL)
• NodeJS is an Event-driven I/O framework
  • is single-threaded, has an Event loop

2. tutorial - Communication protocols

• security (SSL/TLS) works on the Session layer (= relační vrstva) of the ISO OSI model (it’s the TCP IP model middle-layer)
  • there is a security “handshake” after the TCP handshake
  • with ClientHello and ServerHello + certificate (and it’s verification) to ensure the HTTPS connection
    • the process is here Jak to funguje?
    • TLS
• 2
• TLS + proxy servers and their modes
• SNI = modern solution to virtual hosting

3. tutorial - REST and HATEOAS

• resource has URL (identifier) and (multiple) representations
• hypertext is a representation of a resource with links (URIs of resources)
• when handling asynchronous operations, the server should send back 202 Accepted with the statusUrl, where the client can check the status of the task processing

4. tutorial - gRPC

• RPC protokol

5. tutorial - Messaging systems

6. tutorial - Load balancers