Interprocess Communication

Operating System: Interprocess Communication
Topics discussed:
1) Interprocess Communication.
2) Independent processes and cooperating processes.
3) Reasons for providing an environment that allows process cooperation.
4)Models of Interprocess Communication.
5)Shared Memory.
6)Message Passing.

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Music:
Axol x Alex Skrindo - You [NCS Release]

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[DaiMoscv]

Here is what I understood:
Interprocess Communication which provides an environment, allows process communication. And the reason why we need IPC:
Information sharing - when several users wants an access to an information it's essential to provide an environment which they can access at the same time.

Computation speedup - instead of taking one task at a time, it's better to divide the task to several subtasks which they all work for single task concurrently. In order to achieve this, the subtasks need to communicate each other.

Modularity - when designing a system, one person will not be designing whole system alone. Therefore, we divide the system to different modules and they'll be put together later on. Also these modules need to cooperate with each other.

Convenience - from user perspective, if they are utilizing multiple task at a same time meaning different processes are running concurrently. So it'd be convenient if those processes can communicate each other and avoid clashing to one another.

There are two fundamental models of Interprocess Communication:

1. Shared memory - There'll be shared memory region for cooperating processes which will be used for communicating by processes read and write to this memory region. For example: If A process writes an information in a memory region, B process will read the information and thus it can understand.
2. Message passing - Processes can communicate through Kernel by sending and receiving messages from Kernel.

[steadfastgaming]

It's 6:33 am rn, I have exam at 9😅

[derekdj]

I love the pause before the end of each sentence constantly keeping us in an endless cycle of suspense!

[deathtoy]

12 min youtube video better than a 2 hour lecture by my prof lmao

[zoverlvx]

The presentation on the topic was elegantly put. Simply beautiful. You've got another enchanted subscriber.

[Anedonia-]

Finally I can understand the fundamentals about IPC. Straightforward explanation and without academic jargons.

[saadmanahmed]

cooperating process needs communication.
* information sharing
*computation speedup
*modularity
*convenience

IPC has two mechanisms.
*shared memory
*message passing

[jaylee]

Thank you so much, sir. Now I clearly get the concept of IPC.

[hackaniceday]

This is the best IPC introduction before write code!! Thank you.

[hoangminhchau]

If there are multiple processes running concurrently, they can be independent processes or cooperation processes.
- Independent process: can not be affected by or affect other processes
- Cooperation process: can be affected by or affect other processes

Reasons why processes are in cooperation:
- information sharing: different users want to share infos between them
- computational speed up: one task may be split into multiple processes in order to increase performance
- modularity
- convenience: user can use multiple programs at the same time, so IPC allow theses programs to run smoothly

Processes communicating with each other through IPC (inter processes communication)
There are 2 models of IPC:
- Shared memory: cooperating processes will read and write to a specific region on the memory
- Message passing: one process will send a message to the kernel and the kernel will send that message to the other process

[philosphize]

Nice explanation sir
Your all tutorial are best on this YouTube platform

[alasgar_alakbarov]

Perfect explanation of the topic. Thank you very much, it was very useful.

[eobardthaw]

Dear sir, you are the superior teacher & i solved my problem to understand this topic...thanks so much..

[abhishekmahor]

Thanks for supportive lecture now i am going to crack gate 2024.

[tarunkolli]

Such a great explanation which helped me lot for exams, converted a complex topic to simple topic...Thank you so much sir..

[ii-vozi]

You are simply awesome.i like your way of teaching that you clarifies a to z in a sentence.god bless you brother.

[seedfromcdl]

such a good explainer, thank you so much!

[Abenakhen]

Thanks for this video. I felt it could be improved by less repetition of the same words that are written on the screen. I feel like you could give more examples of who this might be implemented earlier on. Also jump to the diagram and just change the labels as you go along. Also the IPC isn't always kernel. It is for sockets but often is implemented message bus / queue / pipe application.

[GeerishaAcharya]

The way of explanation is awesome..Thank you so much sir..

[niloufart]

Thank you, It was all I need to know about IPC:)