Lec-64: TCP: Transmission control protocol | TCP Header | Transport layer | part -1

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[@sidsingh55]

This is an amazing video, loved the way how each and every thing has been explained. Just want to point out one thing, there are total 9 flags and only 3 bits are reserved for future use. Generally we use 6 flags (Ack, Syn, Fin, Psh , Urg, Rst) , but other 3 are also important. NS-ECN , CWR and ECE-ECN. Still thank you Varun. RESPECT.

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Sir 3 4 deen se tcp header ke video dekh raha hu leken kuch samajh me nahi bas thoda bohot aya leken aaj app ke video dekh ke saree tcp ke field clear ho gaye and thank so much your was very helpful to me

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Superb sir.. Thank u so much....all concept clear. . . Vaise . Yh log kaha se aate h. Jo video dislike krte h...

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Thankyou for your crystal clear explanation!!!

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Explained in most easy way 😍

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Ack no = next expected byte no .................very good sir ji. ur way of explanation is really awesome

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Superb explanation, very well

[@kumargouravchoudhary8133]

Brother your explanation is much clear. Specially the way you switch to Hindi. The best. Please share your part2 continuation.

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You are a blessing to all of us sir 🙏🙏

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Loved the way u explain sir .......👍

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V.nice

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very nice and lucid explanation.

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Awesome!very helpful..

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Excellent Lec for exame

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Full video is required.Good explanation.

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I love the way this guy teaches!

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[@vaibhawjoswal6205]

This video provides an overview of the Transmission Control Protocol (TCP), including its key features such as byte streaming, connection-oriented reliability, full-duplex communication, and flow/congestion control. It also explains the structure of the TCP header, including the source/destination ports, sequence numbers, and acknowledgment numbers. Highlights: 00:02 TCP, or Transmission Control Protocol, plays a crucial role in data transmission by segmenting data into bytes, ensuring reliability, and enabling full-duplex communication. It uses a three-way handshake for connection establishment. -Segmentation in TCP involves converting continuous data into segments of bytes, essential for efficient data transmission. -Reliability is a key feature of TCP, ensuring that all data reaches the receiver without loss, unlike UDP which lacks this guarantee. -Full-duplex communication in TCP allows simultaneous data transmission between two connected ends, enhancing efficiency in data exchange. 05:06 TCP protocol utilizes piggybacking to send data along with acknowledgements, reducing network load. It also includes error control, flow control, and congestion control mechanisms for efficient data transmission and network management. -Piggybacking in TCP allows data transmission with acknowledgements, optimizing network efficiency. -TCP incorporates error control to detect and manage data errors for reliable transmission. -Flow control in TCP regulates data flow to prevent receiver overflow and data loss, ensuring efficient communication. -Congestion control in TCP manages network traffic to prevent congestion, optimizing data delivery between sender and receiver. 10:14 Well-known port numbers range from 0 to 1023 and are used by standard applications like HTTP, FTP, and SMTP. Operating systems assign normal port numbers above 1023 for user applications and communication with servers. -TCP uses sequence numbers to count bytes in segments for data transmission, ensuring accurate delivery and tracking of data flow between sender and receiver. -Acknowledgement numbers in TCP protocols indicate the next expected byte number, allowing for reliable data acknowledgment and flow control during communication.

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Hi sir, sir it's more beneficial for us(Student) when you also upload a pdf file of these notes.

[@rekhathorat9033]

every lecture is explained very logically.. Excellent

[@143ashu143]

Good one. One input... kindly correct the sequence number as its has two method for SIN set and not set.

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U r amazing 👍 sir

[@sahilsingh716]

MOST ASKED INTERVIEW QUESTION - Q)when we try to access google.com how tcp will work? A)we use wireshark for packet tracing over there we can observe 1- if site supports 'https' then TLS/SSL handshake happens 2- Tcp connection establishment using 3 way handshake happens between client (your browser random source port) to server (https 443 dest. port) 3- Tcp data transfer begins ex- GET request to Google.com web page (flow control, fast retransmission, piggybacking, selective acks, pure ack., zero size window issue, keep alive timer, hold timer) these things will be taken care of. 4- Once data is transferred and received TCP connection termination comes into play it is a 4 way handshake process After TCP attaches L4 header to the packet it relies on IP for transmission Ip adds L3 header info there is a field in L3 ip header i.e. Protocol (Tcp will be updated there which leads to reliable delivery)

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Thank you sir

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Your presentation is very very nice! But i wish that was in english

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If this video is fully explained in English everyone will watch

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plz complete this video... and good explanation

Perfect understanding

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guys please like ,comment and most important share

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good

[@Ravi-gr6ti]

please make a video on congestion control and naggle algorithm in tcp. you explain superbly.