Web Service Protocols
=====================

Theory and working principle of Web service protocols with UML diagram

OUTLINE
-------

<table>
    <thead>
        <tr>
            <th>TCP/IP Model</th>
            <th>OSI Model</th>
            <th>PROTOCOLS</th>
        </tr>
    </thead>
    <tbody>
        <tr>
            <td rowspan=3>Application Layer</td>
            <td>Application Layer</td>
            <td>FTP, <a href="http">HTTP/HTTPS</a>, Telnet, <a href="dns">DNS</a>, <a href="ssh">SSH</a>, SMTP</td>
        </tr>
        <tr>
            <td>Presentation Layer</td>
            <td><a href="http#https">SSL/TLS</a></td>
        </tr>
        <tr>
            <td>Session Layer</td>
            <td>NFS, SQL, PAP</td>
        </tr>
        <tr>
            <td>Transport Layer</td>
            <td>Transport Layer</td>
            <td><a href="tcp">TCP</a>, UDP</td>
        </tr>
        <tr>
            <td>Internet Layer</td>
            <td>Network Layer</td>
            <td>IPv4, IPv6, ICMP, IPSec</td>
        </tr>
        <tr>
            <td rowspan=2>Network Access Layer</td>
            <td>Data Link Layer</td>
            <td>ARP, CDP, STP</td>
        </tr>
        <tr>
            <td>Physical Layer</td>
            <td>Ethernet, Wi-Fi</td>
        </tr>
    </tbody>
</table>

- [DNS](dns)  
  Domain Name System
  
- [HTTP/HTTPS](http)  
  Hypertext Transfer Protocol
  
- [SSH](ssh)  
  Secure Shell

- [TCP](tcp)  
  Transmission Control Protocol 
  
- Others
  - [PGP/GPG](pgp)  
    Pretty Good Privacy / GNU Privacy Guard