Application level protocol like Http and FTP

Sachin Singh

Ok , so a group of people or scientists or company i don't know who but someone defined some rules that in order to send messages or receive or to download or send files or anything like that in a big network that is in the network of network which is called as internet at application level (browser or server level) we have to follow some rules,

so protocols like Http and FTP has been defined ,

Today a junior asked me what actually a protocol is ? I said set of rules like if you say hmm and then i say umm then again you say hmm and i say umm then it is a protocol, like that Http is an application level protocol preceeded by network level protocol.

then he asked where is it defined in the brwoser , where are the drivers of http? and i really got stuck , like i am a useless software engineer.

Where is it defined? omg i really don't know.

7 Replies

Know the answer? Post it — somebody with the same question will find it here.

Sachin Singh6y ago
Thank you @Laxmidhar sahoo sir ,
your link, https://blog.pcrisk.com/windows/12119-how-to-fix-network-protocol-missing-problem
is really awesome and solves each query of mine.

in short , today i knew that there are drivers for protocols thanks a lot.
+3
Laxmidhar Sahoo6y ago
Hi

In my post, I have already mentioned the link for drivers in the software . That was your second question

Thanks and regards
+5
Sachin Singh6y ago
@Laxmidhar sahoo sir,

It doesn't matter who define the protocol.
suppose we (I and you make a conversation protocol) like if you say hello then i will say yes.you get this.I say yes the you say hello. cool its a protocol .now i say hello and you said cat, you broke the protocol? how did i know ,my mind resolve this?
here my mind is the software who checks the validity of our protocol.

In networking, who does that?? how our browser sends html file in response body and ip address of server in http heasers , there must be some code written on browser , isn't it?
+4
Laxmidhar Sahoo6y ago
Hi
IEEE Define the protocol
For more details follow the link
https://www.omnisecu.com/basic-networking/organizations-which-control-internet-network-protocols-and-standards.php
The bellow link described the driver details
https://blog.pcrisk.com/windows/12119-how-to-fix-network-protocol-missing-problem
Thanks and regards
+4
Varun Setia6y ago
Now, I am starting to get this. I will share if I find any good stuff :)
+3
Sachin Singh6y ago
@Varun , as much as i know these are application level protocol , btw it doesn't even matter which layer protocol is this, the question is about implementation of these protocol.
where is the real implementation of Http is defined? how it is resolved into something like http headers (status code,authorization etc) and response headers? who does that???? there must be a real practical software (lines of codes (exe file something like that)).

You din't get my question. and the curiosity of the child, my junior.
+3
Varun Setia6y ago
Hi,

These are Network Protocols. They define how data is shared among devices across a network. Having Protocol is Important. It is like a language that both machines must understand.

Examples of standard network protocols are TCP (Transmission Control Protocol), UDP (User Datagram Protocol), IP (Internet Protocol), ARP (Address Resolution Protocol), HTTP (Hypertext Transfer Protocol), FTP (File Transfer Protocol), TFTP (Trivial File Transfer Protocol), SMTP (Simple Mail Transfer Protocol), SSH (Secure Shell), Telnet etc.

For more information check this:

https://www.w3.org/wiki/W3C_webarch_section/Protocols

Why do we need them?

https://blog.eccouncil.org/network-protocols-why-do-you-need-them/

Hope this will help you :)
+2