Zachary Rowbottom’s Post

🌐 TCP vs. UDP: A Water Analogy 🌐 TCP (Controlled Pipe) : Reliable flow,ordered delivery. Slower but guaranteed—like filling a bucket carefully. UDP (Fast Hose): Quick and direct, but less predictable. Riskier but faster—like watering plants with a hose😁. In tech terms: TCP = Reliable, like a controlled pipe. UDP = Speedy, like a hose. 💧

This is the best way to understand these 2 networking protocols: TCP makes sure everything arrives properly to its destination, while UDP just throws everything out...

😂🤷♂️ Yes Indeed but also TCP- More Reliable and Encrypted UDP- Less Reliable and Unencrypted

Ahh - TCP and UDP the two different ways in which data is transported from one machine to another. In my lessons I like to represent the data as tennis balls and the networked computers are the humans.... TCP is when I walk over to a student, hand them the balls and ask that they've received it (the data/balls take a little longer to get to student, but student definitely get all the data/balls, I've checked) - TCP is used when downloading the LinkedIn webpage as you can't have missing content on a webpage UDP is when I just throw them all the balls really quickly and expect the student to catch them all (its much quicker, they might not catch them all but, hey-ho make do with the data/balls you have) - UDP is used when making a video call over MS Teams; sometimes the video or audio buffers but it'll try to manage with whatever data it's got.

😂🤷♂️ Yes Indeed but also TCP- More Reliable and Encrypted UDP- Less Reliable and Unencrypted

I particularly like this illustration.

TCP: Used for things like web browsing, email, or file transfers where you need all the information to arrive intact. UDP: Used for live streaming, online gaming, or video conferencing where speed is more important than getting every single piece of data.

A great explanation, Here’s the difference between TCP & UDP: 𝐓𝐂𝐏 (𝐓𝐫𝐚𝐧𝐬𝐦𝐢𝐬𝐬𝐢𝐨𝐧 𝐂𝐨𝐧𝐭𝐫𝐨𝐥 𝐏𝐫𝐨𝐭𝐨𝐜𝐨𝐥)⁣ ⁣ 𝐂𝐨𝐧𝐧𝐞𝐜𝐭𝐢𝐨𝐧-𝐎𝐫𝐢𝐞𝐧𝐭𝐞𝐝: TCP establishes a connection between the sender and receiver before data transmission. This ensures that data is reliably sent and received.⁣ ⁣ 𝐑𝐞𝐥𝐢𝐚𝐛𝐢𝐥𝐢𝐭𝐲: TCP provides error-checking and guarantees that data is delivered in the correct order. If packets are lost, TCP will retransmit them.⁣ ⁣ 𝐅𝐥𝐨𝐰 𝐂𝐨𝐧𝐭𝐫𝐨𝐥: TCP manages data flow between sender and receiver to prevent overwhelming the network or the receiving device.⁣ ⁣ 𝐂𝐨𝐧𝐠𝐞𝐬𝐭𝐢𝐨𝐧 𝐂𝐨𝐧𝐭𝐫𝐨𝐥: TCP can adjust the rate of data transmission based on network conditions to avoid congestion.⁣ ⁣ 𝐎𝐯𝐞𝐫𝐡𝐞𝐚𝐝: Due to the extra features like error-checking, flow control, and congestion control, TCP has higher overhead, making it slower compared to UDP.⁣ ⁣ 𝐔𝐬𝐞 𝐂𝐚𝐬𝐞𝐬: TCP is ideal for applications where reliability and order of data are critical, such as web browsing (HTTP/HTTPS), email (SMTP), and file transfers (FTP).⁣ ⁣ 𝐔𝐃𝐏 (𝐔𝐒𝐄𝐑 𝐃𝐀𝐓𝐀𝐆𝐑𝐀𝐌 𝐏𝐑𝐎𝐓𝐎𝐂𝐎𝐋)⁣ ⁣ 𝐂𝐨𝐧𝐧𝐞𝐜𝐭𝐢𝐨𝐧𝐥𝐞𝐬𝐬: UDP does not establish a connection before sending data. It sends packets (called datagrams) directly to the recipient without guaranteeing delivery or order.⁣ ⁣ 𝐍𝐨 𝐑𝐞𝐥𝐢𝐚𝐛𝐢𝐥𝐢𝐭𝐲: UDP does not provide error-checking, retransmission of lost packets, or guarantee that packets arrive in order. It’s a "best-effort" protocol.⁣ ⁣ 𝐍𝐨 𝐅𝐥𝐨𝐰 𝐨𝐫 𝐂𝐨𝐧𝐠𝐞𝐬𝐭𝐢𝐨𝐧 𝐂𝐨𝐧𝐭𝐫𝐨𝐥: UDP does not have mechanisms to control data flow or manage network congestion, leading to lower overhead.⁣ ⁣ 𝐋𝐨𝐰 𝐎𝐯𝐞𝐫𝐡𝐞𝐚𝐝: Due to its simplicity, UDP has lower overhead compared to TCP, making it faster but less reliable.⁣ ⁣ 𝐔𝐬𝐞 𝐂𝐚𝐬𝐞𝐬: UDP is ideal for applications where speed is more critical than reliability, such as live video or audio streaming, online gaming, and VoIP (Voice over IP).⁣ ⁣ 𝐒𝐮𝐦𝐦𝐚𝐫𝐲⁣ TCP is reliable, connection-oriented, and suited for applications that need guaranteed data delivery. UDP is fast, connectionless, and suitable for applications where speed is more important than reliability.

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