Go-Back-N ARQ

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  • Опубліковано 21 січ 2025

КОМЕНТАРІ • 253

  • @namitvarshney2142
    @namitvarshney2142 4 роки тому +562

    Whenever there is a terror of exams, Neso Academy is standing by us as a savior. Thanks A Lot Neso Team

    • @canhle3970
      @canhle3970 3 роки тому +13

      Facts approved! I am having a Computer Network Mid- term exam this afternoon. Hope this' ll have !

    • @soumabhaghosh6199
      @soumabhaghosh6199 2 роки тому

      @Namit Varshney help kar do kal exm hai

    • @funfest936
      @funfest936 2 роки тому

      True brooo

    • @gujjurajkot
      @gujjurajkot Рік тому

      ​@@canhle3970😅😅😅😊😊😅😅😅😊 5:43

    • @monishzacharia3919
      @monishzacharia3919 Рік тому

      💯💯💯💯

  • @abdullahmohammad5613
    @abdullahmohammad5613 3 роки тому +140

    While people are sharing useless content on the internet, you guys are leading tomorrow's Engineers and professors!
    Very much appreciated :)

  • @christlainnanko4536
    @christlainnanko4536 4 роки тому +96

    one of the best explainations i get on youtube. thanks a lot

  • @jroseme
    @jroseme Рік тому +7

    Man this networks class makes me want to move into a van down by the river. I can't wait for this semester to end. Thank you for the content to help me get through.

  • @karanjawale6964
    @karanjawale6964 2 місяці тому +3

    been studying from neso academy since I was in my second year of college. This guy is a saviour😄😄. Watching your videos after a while now is bringing back memories of those dreadful semester examination days😂😂Anyways, thank you so much man🙌🙌

  • @knokshmashorgru7301
    @knokshmashorgru7301 4 роки тому +34

    Nice. Indian letures are the best. I'm not used to with Indian English but there is sub available so I was still able to understand. Thanks for knowledgements!

    • @ty-re9or
      @ty-re9or 3 роки тому +3

      Acknowledgements

    • @fad-e2840
      @fad-e2840 4 місяці тому +1

      Indian accent is perfectly understandable bro

  • @sarveshnaik1762
    @sarveshnaik1762 3 роки тому +3

    I sat for half an hour listening to my professor 😹😹 i didn't understand accept the heading..but when u detailed the concept by showing the animation within a fraction of second I was able to understand thanks a lot

  • @Heellooo5052
    @Heellooo5052 Рік тому +1

    Thank you so much Neso Academy. I kept searching for better lectures but all the lectures were in hindi, thankfully i found you. Thank you again🌟

  • @davidmarinho2848
    @davidmarinho2848 9 місяців тому +2

    Amazing tutorial!!! 🙌🙌
    This is content that I would pay to watch!
    Keep up with the great work!

  • @sriyadatla2651
    @sriyadatla2651 4 роки тому +6

    such a crystal clear explanation🔥🔥

  • @samkelemdivasi4362
    @samkelemdivasi4362 2 роки тому +1

    speechless....Enkosi kakhulu NASO ACADEMY(Thank you a lot NASO academy)

  • @kanyala_muvva
    @kanyala_muvva 3 роки тому +3

    Helped me a lot for my semester exam... Thank you NESO academy 💐

  • @sugambaral6969
    @sugambaral6969 3 роки тому +2

    Thank you so much for this great effort.
    love from Nepal

  • @jagareddy-f6v
    @jagareddy-f6v 2 місяці тому

    students definetley like your explanation the way you explained and most importantly and the begning and ending you are adding outcomes thats an important one to students better sir. we have no fear because you are here to explain us . once again thank you sir

  • @2319ShivanshBhatia
    @2319ShivanshBhatia Рік тому +5

    🎯 Key Takeaways for quick navigation:
    00:00 📚 Introduction to Go-Back-N ARQ
    01:20 🔄 Go-Back-N ARQ Basics
    03:38 🧮 Sequence Number Calculation
    05:42 🎬 Working of Go-Back-N ARQ
    Made with HARPA AI

  • @benzeltser9851
    @benzeltser9851 9 місяців тому +1

    Take my corrupted university yearly payment and transfer everything to this guy right here 👑

  • @bhavya2301
    @bhavya2301 4 роки тому +4

    You Are Making A Difference.ThankYou.

  • @abodawead9039
    @abodawead9039 2 роки тому +2

    easy to understand , full of information .
    great job thank you very much .

  • @saketjaiswalSJ
    @saketjaiswalSJ Рік тому

    excellent explanation i have watched many videos of many people but this explnation was brief and accurate

  • @shivanshm1
    @shivanshm1 4 роки тому +4

    one of the best explainations one can get get on youtube....please let me know if you guyz have a proper course,...i would love to do it...ineed certification and project...

  • @navya7730
    @navya7730 3 роки тому +1

    superb explanation....no words to me

  • @davidnguyen9065
    @davidnguyen9065 4 місяці тому

    Wonderfully explained! Thank you so much!

  • @nikhilbasforr
    @nikhilbasforr 4 місяці тому +2

    1 hour left for mid sem paper, thank you nesoooooo🤪

  • @AmitChaudhary-qx5mc
    @AmitChaudhary-qx5mc 4 роки тому +3

    Thanks brother.
    indebted to your efforts

  • @ethanaung9252
    @ethanaung9252 2 роки тому +5

    So clear and easy to understand. Thanks, NESO.📚

  • @Johainna
    @Johainna 3 роки тому +6

    Thank you for teaching! I completely understand now and I am ready for my class 2 hours from now lol

  • @Asim_Usama
    @Asim_Usama 3 роки тому +12

    JazakAllah for this easy and wonderful lecture on this topic.
    May Allah gives you more knowledge.

  • @Motive896
    @Motive896 2 роки тому +1

    Super explaination 🔥🔥 TQ

  • @ayushpandey2640
    @ayushpandey2640 25 днів тому

    English communication is very good and easy to understandable 😊

  • @mathuca7731
    @mathuca7731 3 роки тому +33

    It may be important to add, that if ACK 2 is lost but the sender still recieves ACK 3, he knows that the receiver actually recieved PCKT 2 even if he didnt receive the acknowledgement for it. So he will not resend PCKT 2.

    • @ahlahous8128
      @ahlahous8128 3 роки тому +8

      that's would be right if it's explicitly mentioned that we are using " Including acknowledgement " : which means we acknowledge all previous frames the sender has received and not every frame individually. For example, if ACK n is received by the sender, it means that all frames ( from 0 to n-1 ) are marked as received. Even though it's not the case by one of the frame ( frame get lost ).

    • @charan2604
      @charan2604 3 роки тому +5

      I guess, As soon as the time's out(in waiting for acknowledgement of Frame2), the next frames i.e., Frame3,4,5 which were already sent are discarded ..So, the receiver will not receive any frames and thereby it can't acknowledge.

  • @mamathapusapati-adityacoll1466
    @mamathapusapati-adityacoll1466 2 роки тому

    The way you speaking is very good sir.clear cut explanation sir

  • @manaswiniprashanth467
    @manaswiniprashanth467 2 роки тому

    I loved the way they've explained in this..love you guys🤍

  • @marcolau6332
    @marcolau6332 Рік тому

    Love your explanations, wish you are my professor🔥🔥

  • @Opaddel
    @Opaddel 2 роки тому

    I Love U! you explained it so easy and light to digest. keep up the good work and i wish blessings upon you

  • @ahinsa4788
    @ahinsa4788 2 роки тому +1

    Omg,,, I clearly understood this. I was looking for some tutorials before my exam and I m lucky enough to find this channel. Thank you so much. Explanation is crystal clear. 🤗❤️‍

  • @arts.maimounah
    @arts.maimounah 3 роки тому +2

    Your lesson is helpful ! Thank you so so much for your effort 🤍🤍🤍🤍🤍

  • @kaleemullahharis8976
    @kaleemullahharis8976 2 роки тому +4

    at 5:10; what ll b sequence number if we have the window size n=3,, which can not be represented in power of 2?? In this case what should be added or subtracted for the sequence number.

  • @bhanushreenn9075
    @bhanushreenn9075 11 місяців тому

    Very clear explanation. Thank you!!

  • @sreekarkataru3635
    @sreekarkataru3635 4 роки тому +1

    You are a savior !!!

  • @pallavihs6904
    @pallavihs6904 3 роки тому

    Really superb 🤩🤩🤩🤩time saving too thankyou so much for helping before exams

  • @rohandevaki4349
    @rohandevaki4349 3 роки тому +1

    awesome explianation , you are the best teacher

  • @ShinsekaiAcademy
    @ShinsekaiAcademy 4 роки тому +2

    God bless you.
    I dont know how come my doctor is called a doctor. By god they make things complicated for no reason.

  • @juwairiyafarhath7971
    @juwairiyafarhath7971 4 роки тому +1

    Thank you for explanation . I got a nice class
    Upload more

  • @akshaybaghmar254
    @akshaybaghmar254 2 роки тому +4

    Thanks for the video. You should also include timers like start timer, restart and stop timers according to packets sent/Recived or lost, the timer concept i also important to understand.

  • @makelovenotwar9941
    @makelovenotwar9941 4 роки тому +15

    The concept is that easy! Why are the books so wordy?!

  • @GauravSingh-oi7jp
    @GauravSingh-oi7jp 3 роки тому +1

    Incredible explanation, great work

  • @trendmav
    @trendmav 3 роки тому

    Crystal Clear Explanation!!

  • @beatrizmartins7754
    @beatrizmartins7754 2 роки тому

    amazing, this video helped me a lot for my exam!!

  • @farahmohamed2104
    @farahmohamed2104 Рік тому

    While people are sharing useless content on the internet, you guys are leading tomorrow's Engineers and professors!

  • @navneetkaur9949
    @navneetkaur9949 2 роки тому

    WHAT A EXPLANATION thnq so much sir for clearing my doubts

  • @Miciomagico
    @Miciomagico 2 роки тому

    YOU ARE THE KING

  • @rohammaiti7989
    @rohammaiti7989 Рік тому +2

    Seei'g this 2 days before exam ❤😊

  • @haisumharoon
    @haisumharoon 8 місяців тому

    Perfect explanation.

  • @rahulchunchu8576
    @rahulchunchu8576 2 роки тому

    Thanks for the good explanation ❤️

  • @ankithas1998
    @ankithas1998 4 роки тому +1

    Tqsm.. For making these useful videos🙂😇

  • @unknown___person
    @unknown___person 3 роки тому +1

    Just AWESOME ! You are great bro ! me from #Bangladesh

  • @hanupawandwivedi6613
    @hanupawandwivedi6613 4 роки тому +1

    Nice explanation😊 Thanku so much

  • @FreeEduJourney
    @FreeEduJourney 7 місяців тому

    best explaination for go back n arq.

  • @Nerdifull
    @Nerdifull Рік тому

    Great short lesson, you were very clear and easy to understand. However, I'd like to point out that in the example you provided there's an error: GbN uses cumulative ACKs, meaning if ACK (packet 2) is never received, but ACK3 is received, we assume that ACK2 was lost but the packet itself was received.

  • @gehanavarty8321
    @gehanavarty8321 Рік тому

    Thank you soo much sir for simple explanation ☺️

  • @doremonnobitha7405
    @doremonnobitha7405 2 роки тому +162

    Having exam tomorrow 😅

  • @sudipsen6376
    @sudipsen6376 Рік тому +1

    We can find all the topics online but you will find the well organized playlist very rare.. Till Now I have completed from 1st video to this 61st video.. I hope I can complete this as soon as possible..

  • @mimSamad
    @mimSamad 8 місяців тому

    شكراً جزيلاً! قناتك ساعدتني كثيراً.

  • @SanjayKumarK-um5no
    @SanjayKumarK-um5no 2 роки тому

    Super explanation tq sir ✨🥳

  • @wasimzaman2453
    @wasimzaman2453 2 роки тому +4

    as you said that the frame 4 and 5 are discarded by the receiver because the frame 2 was lost, after this frame 2, the frame 3 was also sent, what about that ? is that also be discarded by the receiver ?

  • @shashankverma202
    @shashankverma202 3 роки тому

    Superb video 🌟

  • @mahimudhiraj158
    @mahimudhiraj158 4 місяці тому

    Thank you so much sir 🙏

  • @mdasifmahmud4058
    @mdasifmahmud4058 4 роки тому +1

    You are awesome💘

  • @saptarshichattopadhyay8234
    @saptarshichattopadhyay8234 7 місяців тому

    Thank you so much 💓 💗 💛 💖 😊

  • @hossainbinsayeed568
    @hossainbinsayeed568 11 місяців тому +4

    what about the frame 3, is it discard or not. Because frame 3 still in the window as well as sender side. So, only 4,5 are discarded or 3,4,5.

    • @i_go_art
      @i_go_art 5 місяців тому

      same doubt 🥲

  • @geshbenrewand1778
    @geshbenrewand1778 4 роки тому +3

    God bless you

  • @Fathima-go6tc
    @Fathima-go6tc Рік тому

    Perfectly understood

  • @owssam8311
    @owssam8311 2 роки тому

    Very helpful. Thank you so much

  • @flqck0324
    @flqck0324 3 роки тому

    if i took a shot every time this man said GO - BACK - N ARQ i'd be on the floor dead

  • @negarmsd9077
    @negarmsd9077 4 роки тому +8

    10:30 what about 3?
    why only ignores 4 and 5, 3 was also already sent.

  • @ananyaanu6404
    @ananyaanu6404 Рік тому

    Well explained

  • @Gokul-sm6rh
    @Gokul-sm6rh 11 місяців тому +1

    please upload transport and other layers

  • @sandeepkumaryanamadala8667
    @sandeepkumaryanamadala8667 3 роки тому +6

    Tomorrow I have CN exam,
    But I don't worry because I have neso academy

    • @pritijadhav2625
      @pritijadhav2625 10 місяців тому

      Degree ho gayi kya complete tumhari😂

  • @charangangiredla7456
    @charangangiredla7456 3 роки тому

    Super mowaa super ga cheppav

  • @sagarprajapati4253
    @sagarprajapati4253 Рік тому

    ack of frame 2 not recieved so frame 3,4,5 will be discarded and retransmitted with frame 2 again ? 9:41

  • @manikantatirumani3371
    @manikantatirumani3371 3 роки тому +1

    Nice explanation bro. Please write and explain program also bro..

  • @rajveerkaur4640
    @rajveerkaur4640 3 місяці тому

    Thankyou so much sir for this wonderful explanation ❤class mae ghanta kuzz smj nhi aayea tha

  • @Fathima-go6tc
    @Fathima-go6tc Рік тому

    Amazing ❤

  • @abdul-kareemshukri62
    @abdul-kareemshukri62 4 роки тому +1

    Thanks a lot.

  • @aahanagupta6334
    @aahanagupta6334 4 роки тому +1

    Awesome .. Thankssss

  • @MohammadTahaKhan
    @MohammadTahaKhan 3 роки тому +3

    Towards the end, you mention that the receiver did not get frame 2. That is not consistent with the timing diagram. Frame 2 is actually received, it is the ACK for frame 2 that is lost, so when the sender times out, it sends 2,3,4,5 and because the receiver in Go Back N can only receive in-order frames, that is why the initial transmissions for frames 4 and 5 are discarded.

    • @nomen385
      @nomen385 3 роки тому +1

      Is frame 3 also discarded? I think he missed that

    • @MohammadTahaKhan
      @MohammadTahaKhan 3 роки тому +1

      @@nomen385 Yes, anything out of order is discarded.

    • @052_sayantanpodder3
      @052_sayantanpodder3 2 роки тому

      @@nomen385 yes i also felt the same thanks !!

  • @parthtiwari8152
    @parthtiwari8152 Рік тому

    i think the receiver will also discard the 2and 3 because they are already there as the ACK is lost but the receiver had that frame 2 and 3

  • @wongziao9432
    @wongziao9432 4 роки тому +3

    11 minutes of your video explaining is better than my professor full 4 hours lecture session.
    Bad lecturers will tell you to self learn despite the expensive tuition fees we paid them.
    Well, by using self learning as an excuse, this caused more and more professors degrade in their teaching.
    Sounds good huh?

  • @aishwaryakudatarkar3891
    @aishwaryakudatarkar3891 4 роки тому +27

    Y don't u ppl start the online college, give a degree🙂
    However even these colleges r also taking online classes itself.😒

  • @palletinavanthreddy2826
    @palletinavanthreddy2826 4 роки тому +2

    At 5:36, So window size must be power of 2 only or it can be any other

    • @kouliniksatya
      @kouliniksatya 4 роки тому +3

      It can be anything, it's just that in order to represent we find the nearest power of 2 (which may be greater than or equal to the number to be represented)

  • @TheBaljitSingh
    @TheBaljitSingh Рік тому

    @ 3:26 transmitted or retransmitted ???

  • @Fathima-go6tc
    @Fathima-go6tc Рік тому

    Best one ❤

  • @Devishhike
    @Devishhike Рік тому

    Correct me if I'm wrong. Let's assume we have two stations A and B, will it be correct to say that when using Go-Back-N ARQ or other ARQ protocols one station is only sending useful data and receiving ACK another is receiving data and sending back ACK. After all frames are sent they change roles. And if this statement is true, how do stations initiate their roles when they have both equal parameters and access to media? Who is the sender at the first step)))? Thanks in advance.

  • @ArshadAliArshq1999
    @ArshadAliArshq1999 9 місяців тому +6

    Having exam today afternoon 😂😂

  • @dharmendarnaik2616
    @dharmendarnaik2616 4 роки тому

    Good explanation

  • @souravbhagat1358
    @souravbhagat1358 4 роки тому +2

    Sir please make a vedios lecture on Microprocessor .full playlist of Microprocessor

  • @grovvy_essence.1070
    @grovvy_essence.1070 3 роки тому

    Thank you☺

  • @jho79
    @jho79 3 роки тому

    Thank you so much tomorrow is my exm 🥺

  • @gohelakshay2385
    @gohelakshay2385 22 дні тому

    Hefe frame 2 is recieves 2 times,is it duplication of frame,may not lead to problem?

  • @sanadeshmukh143
    @sanadeshmukh143 Рік тому +1

    3 will also be discarded right?