Error Detection and Correction 2: Cyclic Redundancy Check

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The Cyclic Redundancy Check is another form of error detection that involves use of modulo 2 arithmetic to compute a Frame Check Sequence that is added on to the end of a transmitted frame in order to verify correct transmission. Much of this material is based on content from the book Data and Computer Communications by William Stallings.

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31 май 2016

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Комментарии : 135

@TheSulaimanKhaled 7 лет назад

You are the only one who actually made me understand what is going on between all the videos on youtube. Thank you so much and god bless you

@FreeDomSy-nk9ue 3 года назад

Literally

@goedeck1 3 года назад

Yeah

@DoctorUltraviolence 5 лет назад

Just the first two minutes made me grasp this whole concept better than 30 mins of reading my course book.

@jnskender 7 лет назад

Stop here if your looking for the definitive explanation of CRC calculations.

@Sirstep 6 лет назад

By far, the most comprehensive and clear explanation I've seen on this subject. I really appreciate your help!

@bubkabu 7 лет назад

This is the only good CRC Explanation video on youtube. thank you!

@isaiahhiggins 2 месяца назад

I missed this lecture and was totally clueless when we had to manually calculate a frame check sequence. This is exactly what I needed, and probably explained more clearly than the professor too! Thank you

@TheWarleader 4 года назад

with online school being the norm because of self quarantine, this video has helped a TREMENDOUS amount as it's hard to get in touch with my professors for a clear cut explanation. Thank you so much!!

@jessesgamereviewstipsandst5517 4 года назад

Very clear and concise explanation. Thanks for explaining how zeroes on the left side doesn't count for the length when trying to divide, it was the confusing part that other video didn't explain so watching this video clarified it.

@hellocony3727 3 года назад

This is it! I can't believe there is no simple explanation online to this basic concept. Great job!

@AO-hk7dj 5 лет назад

Thank you so much, I have watched over ten youtube videos and this is the only one where everything is perfectly explained, so grateful

@kitkat224 5 лет назад

Thank you Jacob! This is the only video you need to watch to understand CRC

@felixreibold8891 Год назад

I agree with the other commenters, this is the best video explaining CRC, it took me 4 other videos to land here, youtube is really getting clutteed thers days. Push it to the top guys!!

@talalalkharashi1951 5 лет назад

best explanation ive seen on youtube for CRC thanks!

@bdig7 5 лет назад

Thanks so much mate, you are literally the only person in the world explaining this!

@HP-fj2mi 4 года назад

Thank you very much Jacob. I agree with the rest of the comments. You explained in a clear and easy way that I could understand it. This is going to help with CIS class. Great job!

@ugochukwuifeacho3916 6 лет назад

Great video Jacob. This is the best video so far on CRC here on RU-vid

@gonefishing7160 4 года назад

Unreal how easy you made this. Thanks man!

@tcaotuesday2358 3 года назад

As a not native English Speaker, I really can not understand other videos with indian accent, your video is really helpful, thanks :)

@stanley9571 3 года назад

Thank you very much!!!! You have no idea of how much help you have been!

@stellaraja02 3 года назад

The explanations are so clear . Really appreciate it!!

@schnackenpfefferhausen 6 лет назад

Extremely helpful and clear. Thank you!

@ramitchatterjee9626 7 лет назад

your explanation was very good, stream lined and filled with useful informations to understand the method well. Thanks

@sameerislam1999 2 года назад

Best CRC tutorial i have found. thank you

@ricp Год назад

Man.., this is an Excellent explanation!, really, not one extra word. You covered all the doubts I had, thanks so much!

@aungthihasoe2580 5 лет назад

Now I finally understand how to do CRC properly after watching your video. Thank you very much Sir.

@nojoodothmanal-ghamdi1026 2 года назад

Thank you sooo much you explained the physics behind it and gave us a step-by-step example while explaining each step! I understood it thanks to you sir

@FitzRave 4 года назад

Now this is what I call a great explanation!

@ilyashitchens649 9 месяцев назад

I struggled to find a video which gives a clear explaination of the concept. thank you and well done ! 👌👌👌

@plastilinovbly 3 месяца назад

This is the best video on the topic, thank you! I finally understood it:)

@kelvinmutale5370 3 года назад

Wow! this the best explanation I've come across on RU-vid, hope you can do the polynomial division as well.

@Vekktone 5 лет назад

thank god for this video. I am confident I will get this problem right on my networks final tomorrow!! Thank you so much for making this clear!!!

@zigggy345 3 года назад

Wonderfully explained, many thanks!

@BlackHermit 3 года назад

Great explanations, thank you so much! Greetings from Sweden!

@whatshisname1653 Год назад

i love you.. finally a clear, concise explanation

@TNH91 5 лет назад

Thanks for a great video on how to manually do the CRC. My book ( Kurose & Ross ) does not explain it a fraction as well as you did. This helped me understand the use of the Generator and Data and how they interacted.

@scanpower8439 6 месяцев назад

THANK YOU SO MUCH! You made it easy to understand!!!

@_Anna_Nass_ Год назад

best explanation I could find, thank you!!!

@125dudeman 4 года назад

This video is amazing. Professor rambled about this for days, this 12 min video taught me infinitely more... RU-vid and @Jacob Schrum >>>

@jerryzaky6025 Месяц назад

Thank you. Thank you. Thank you. Evrythign just makes sense now.

@nikolassj 4 года назад

Huge help, thank you a lot Jacob! I wish that the professors on my Uni were so good at explaining things....

@giampierysantana 5 лет назад

Amazing !!!!!!! I really got it with you, thank you so much.

@tsusec 7 лет назад

Thanks mate, you saved me alot of time!

@gingsSon 3 года назад

Perfect explanation. Thank you.

@aris.konstantinidis 3 года назад

Great explanation, thank you so much!

@nacirarmando8003 5 лет назад

Great explanation.Thank you!

@684tranminhtuan 3 года назад

Amazing explanation. Thank you.

@jrjr1684 4 года назад

this video saves my life~~~~ thank you sooooo much

@yazeedazrai5036 2 года назад

very clear way better than both the prof and the slides

@ccristi08 2 года назад

Very well explained. Kudos to you sir.

@mahmoudelsheemy4235 2 года назад

Great Explanation. Thank You!

@ManyStandAlone 5 лет назад

Best video on crc. I could hug you.

@bojanadraganovska2781 Год назад

Thank God for this video !

@bobbyjack4368 2 года назад

best explanation on youtube

@juantelle1 5 лет назад

Thanks. My exam is tomorrow. You have saved me.

@nomanmalik677 4 года назад

wow that's a really nice explaination I LOVE IT

@BubbleManxx 5 лет назад

This is the one, thanks Jacob.

@rooneymak2300 4 года назад

Awesome explanation!!

@zakariahalil6860 6 лет назад

very distinct video, thanks

@pongmaster9420 5 лет назад

Thanks brother, may lord bless you

@henrymiller5709 5 лет назад

well explained and easily understood thx

@revaldi99x 4 года назад

Great video really helps!

@yutingli3510 4 года назад

amazing video!! thank you!

@itznukeey 4 года назад

Great video

@willmartin1748 7 месяцев назад

bro oh my god I was wondering why my CRC hw question made no sense, it's cause modulo 2 binary division makes no sense lol. The value goes into into 1 time even if it's a bigger value. Lol. Thank you for going through this clearly so I can get a grasp on it.

@amrmoneer5881 5 лет назад

your are a great professor

@kaiserkarlisle8456 7 лет назад

Thank you so much , perfect

@luckyharbinger2054 4 года назад

Enjoy your 1000th like, this helped me a great deal.

@user-hu4yp4ml3c 3 года назад

this is well explained, thank you (:

@PradeepSanjeewa1 6 лет назад

Really helpful. Thanks

@meirzilkha 4 года назад

Thanks this is magic!

@XFaramir 7 лет назад

Nailed it ! thanks

@Nihilish 4 года назад

Out of curiosity, why do we write down those bits on top if we don't even use them in the algorithm?

@hiexxxschxxx4888 7 лет назад

YO DUDE AWSOME, I WATCHED SO MANY VIDEOS AND NOBODY EXCEPT U TO GOT THE PERFECT FULL EXPLANATION BECAUSE NO ONE EXPLAINED THE THING WITH "here comes a one because it fits, here a zero because not" maaan im not sorry for caps its 5:45am and I AM HAPPY NOW I CAN SLEEP MONDAY ISSA EXAM BYE THX GOT SUB LIKE EVERYTHING