TCP/IP Protocol Suite Explained



Communication between 2 machines on a network are done through different protocol suits and TCP/IP is one of them.

Well Explained in this video:



tcp/ip layers


LAYER
FUNCTIONALITY
Application
  • Data that is sent by the user.
            EX: Any script, file, form data etc.,
Transport
  • Data from application layer is broken down into segments.
  • Each segment is named with sequence id so that they are received and appended in the right order in the receiver end. 
  • The transport header is added to each segment in this layer, which is having the destination and source address with the port number.
Internet
  • In this layer Internet header is added to segment, which contains source and destination IP address and routing information [How to reach receiver]
Network
  • In this layer Network header is added to segment, which contains source and destination physical address [mac address, ethernet]
  • In this layer Network trailer is also added to the segment, which contains error checking methods.

 NOTE: Each layer adds a header and an optional trailer [Encapsulation] to the information from the preceding layer in the sender side and vice versa in the receiver side.

Comments

Post a Comment

Popular

PASSWORD MANAGER–DashLane

Image
Today I am going to introduce New Software called “ DASHLANE ”. This is one of the most useful softwares for lazy persons like me. Being student I  use many applications and register into too many websites according to my requirement. It is hard to remember that many passwords of all applications and websites. Dashlane is the software that saves all the passwords and make websites to auto login. After installing Dashlane on our computer, whenever we are trying to login in to our websites it will ask us to save login information of that website , once we saved that information to Dashlane, from second time when we open particular website, Dashlane will auto login in to that website without entering our credentials. We have to setup one Master Password when we are creating new Dashlane account. It willask us to set Master Password  while installing it on our computer. This is the security feature that enabled on...
Read more

USEFUL EXTENSIONS IN CHROME

Image
Extensions are totally different from Apps that are available in Chrome store. Extensions are part of chrome browser and extensions are not part of browser and they are other apps from google like chrome. Here I am showing you the some of the extensions that I found are interesting and useful while I am browsing Internet. Chrome Extensions 1.  AdBlock USE : It blocks all the unnecessary advertisements on various websites that irritates us while browsing. 2.  Craving Words USE : This extension will automatically save the words and their meaning when we search that word in google dictionary chrome extension or in google. 3.  Google Dictionary USE : We can easily search meaning of the particular word while we are reading any content from webpage, by simply clicking extension button . 4. Dash lane USE : It is not accessible in chrome store. But we can get this extension from application Dash lane on our PC. Dash lane application will...
Read more