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Linux Tech Enthusiast
Linux Tech Enthusiast
May 28, 2026 · Fundamentals

28 Diagrams That Explain TCP Fundamentals in One Go

This article walks through the OSI model from the physical layer up to the application layer, explains how IP addresses and MAC addresses work, details TCP and UDP transport protocols, and covers reliable transmission mechanisms, congestion control, connection management, and common pitfalls such as packet loss, framing, and security attacks.

Congestion ControlReliabilityTCP
0 likes · 28 min read
28 Diagrams That Explain TCP Fundamentals in One Go
Linux Tech Enthusiast
Linux Tech Enthusiast
May 22, 2026 · Fundamentals

28 Diagrams That Instantly Clarify How TCP Works

This article walks through TCP from the physical layer up to congestion control, explaining MAC and IP addressing, sockets and ports, reliable transmission mechanisms like stop‑and‑wait and sliding windows, the three‑way handshake, four‑way teardown, UDP differences, routing, packet fragmentation, and security considerations.

Congestion ControlHandshakeNetwork Protocol
0 likes · 28 min read
28 Diagrams That Instantly Clarify How TCP Works
Linux Tech Enthusiast
Linux Tech Enthusiast
Jan 18, 2026 · Fundamentals

A Visual Guide to TCP, UDP, Flow Control, and Congestion Control

This article explains TCP and UDP fundamentals, detailing TCP header fields, flow‑control and congestion‑control mechanisms, the three‑way handshake and four‑way termination, UDP’s connectionless nature, and a side‑by‑side comparison of the two protocols.

Congestion ControlFlow ControlNetwork Protocols
0 likes · 11 min read
A Visual Guide to TCP, UDP, Flow Control, and Congestion Control
IT Services Circle
IT Services Circle
Oct 13, 2025 · Fundamentals

Understanding TCP Flow Control vs Congestion Control: Key Differences and Mechanisms

This article explains TCP’s flow control and congestion control mechanisms, detailing sliding window operation, zero‑window probing, SWS, window scaling, and the core congestion algorithms (slow start, congestion avoidance, fast retransmit/recovery), and clearly contrasts their purposes, scopes, and key variables.

Congestion ControlFlow ControlNetwork Protocols
0 likes · 14 min read
Understanding TCP Flow Control vs Congestion Control: Key Differences and Mechanisms
Deepin Linux
Deepin Linux
Apr 21, 2025 · Fundamentals

TCP Protocol: Overview, Mechanisms, and Practical Usage

This article provides a comprehensive English guide to the Transmission Control Protocol (TCP), covering its connection‑oriented design, reliability features, packet structure, three‑way handshake, data transfer process, flow and congestion control, four‑step termination, and example C++ socket code for establishing, sending, receiving, and closing TCP connections.

C++ SocketCongestion ControlFlow Control
0 likes · 42 min read
TCP Protocol: Overview, Mechanisms, and Practical Usage
AI Cyberspace
AI Cyberspace
Feb 24, 2025 · Cloud Computing

Scaling AI Training: Inside Large-Scale RDMA Networks and Modern Congestion Controls

This article explores the hardware and networking foundations for training massive AI models, detailing the challenges of large‑scale RDMA deployment, the evolution of congestion‑control algorithms like DCQCN, TIMELY, HPCC, and AWS's SRD, and how hardware offload and programmable switches enable scalable, low‑latency AI infrastructure.

AWS SRDCongestion ControlDCQCN
0 likes · 14 min read
Scaling AI Training: Inside Large-Scale RDMA Networks and Modern Congestion Controls
AI Cyberspace
AI Cyberspace
Feb 22, 2025 · Cloud Computing

Why RoCEv2 Needs a Lossless Network and How to Achieve It

RoCE, originally built for InfiniBand, was adapted to Ethernet as RoCEv2, which uses IP/UDP headers to enable L3 routing but is highly sensitive to packet loss, requiring a lossless network and employing technologies such as PFC, ECN, DCQCN, and multi‑path transmission to maintain high RDMA performance.

Congestion ControlDCQCNECN
0 likes · 17 min read
Why RoCEv2 Needs a Lossless Network and How to Achieve It
Top Architect
Top Architect
Feb 7, 2025 · Fundamentals

Understanding HTTP Evolution and the QUIC Protocol: Connection, Congestion, and Flow Control

The article provides a comprehensive technical overview of HTTP's history, the design and advantages of the QUIC protocol—including connection establishment, migration, head‑of‑line blocking mitigation, congestion control, ACK handling, and stream/connection flow control—while contrasting it with TCP and HTTP/2 mechanisms.

Congestion ControlFlow ControlHTTP
0 likes · 15 min read
Understanding HTTP Evolution and the QUIC Protocol: Connection, Congestion, and Flow Control
360 Zhihui Cloud Developer
360 Zhihui Cloud Developer
Dec 11, 2024 · Backend Development

How Simulcast Boosts WebRTC Video Quality and Scales Large Conferences

This article explains the Simulcast standard in WebRTC, compares it with transcoding and SVC, describes how an SFU rewrites RTP headers for seamless layer switching, outlines congestion detection using TWCC, and presents automated bandwidth allocation strategies to optimize video quality and reduce bandwidth in large‑scale meetings.

Congestion ControlSFUSimulcast
0 likes · 15 min read
How Simulcast Boosts WebRTC Video Quality and Scales Large Conferences
Deepin Linux
Deepin Linux
Oct 14, 2024 · Fundamentals

TCP Reliable Transmission Mechanisms and Implementation Details

This article explains how TCP ensures reliable data transfer through connection management, sequence and acknowledgment mechanisms, retransmission strategies, flow control, and congestion control, and includes C++ example code illustrating a simple client‑server file transfer implementation.

C++ exampleCongestion ControlHandshake
0 likes · 39 min read
TCP Reliable Transmission Mechanisms and Implementation Details
Open Source Linux
Open Source Linux
Sep 19, 2024 · Backend Development

Why QUIC Is Revolutionizing HTTP: From HTTP/1.1 to HTTP/3 Explained

This article traces the evolution of HTTP from its 1991 origins through HTTP/2 and HTTP/3, explains how QUIC leverages UDP to reduce latency, and details QUIC's connection establishment, migration, head‑of‑line blocking mitigation, congestion control, and flow‑control mechanisms.

Congestion ControlHTTPHTTP/3
0 likes · 13 min read
Why QUIC Is Revolutionizing HTTP: From HTTP/1.1 to HTTP/3 Explained
Top Architect
Top Architect
Aug 24, 2024 · Fundamentals

HTTP History, QUIC Overview, and Key Features of HTTP/3

This article traces the evolution of HTTP from its 1991 inception through HTTP/1.1, HTTP/2, and HTTP/3, explains the QUIC protocol’s design and advantages, and details connection establishment, congestion control, flow control, and head‑of‑line blocking mitigation techniques used in modern web transport.

Congestion ControlFlow ControlHTTP
0 likes · 15 min read
HTTP History, QUIC Overview, and Key Features of HTTP/3
Liangxu Linux
Liangxu Linux
Aug 24, 2024 · Fundamentals

Why HTTP/3 Beats HTTP/2: A Deep Dive into QUIC’s Innovations

This article traces the evolution from HTTP/1.1 to HTTP/3, explains how QUIC built on UDP to reduce connection latency, avoid head‑of‑line blocking, support seamless connection migration, and introduce advanced congestion and flow‑control mechanisms that give HTTP/3 a performance edge over its predecessors.

Congestion ControlHTTPHTTP/3
0 likes · 14 min read
Why HTTP/3 Beats HTTP/2: A Deep Dive into QUIC’s Innovations
Ctrip Technology
Ctrip Technology
Jul 16, 2024 · Backend Development

Implementation and Optimization of the QUIC Protocol in the Trip.com App

This article details the deployment of QUIC in Trip.com’s mobile app, covering multi‑process architecture, containerized upgrades, service discovery, health monitoring, push‑pull resilience, full‑link tracing, congestion‑control algorithm redesign, and the resulting performance and reliability improvements achieved across global users.

Backend DevelopmentCloud NativeCongestion Control
0 likes · 25 min read
Implementation and Optimization of the QUIC Protocol in the Trip.com App
OPPO Kernel Craftsman
OPPO Kernel Craftsman
Jun 28, 2024 · Fundamentals

Deep Dive into QUIC Protocol: Architecture, Features, and Optimization Strategies

The article thoroughly examines QUIC—the user‑space, UDP‑based transport underpinning HTTP/3—detailing its architecture, fast 0‑RTT handshakes, connection migration, stream‑level independence, congestion control, and flow‑control mechanisms, while also discussing implementation hurdles like 0‑RTT reliability, load‑balancer routing, UDP restrictions, CPU overhead, and real‑world performance gains reported by major Chinese tech firms.

0-RTT handshakeCongestion ControlHTTP/3
0 likes · 21 min read
Deep Dive into QUIC Protocol: Architecture, Features, and Optimization Strategies
Architect
Architect
Jun 4, 2024 · Fundamentals

Why HTTP/3 Beats HTTP/2: Inside QUIC’s Fast, Secure Transport

This article explains the evolution from HTTP/1.1 to HTTP/3, detailing QUIC’s UDP‑based design, its 1‑RTT handshake, connection migration, head‑of‑line blocking elimination, congestion‑control enhancements, forward error correction, and stream‑ and connection‑level flow control.

Congestion ControlFlow ControlHTTP/3
0 likes · 16 min read
Why HTTP/3 Beats HTTP/2: Inside QUIC’s Fast, Secure Transport
Liangxu Linux
Liangxu Linux
Jun 2, 2024 · Fundamentals

Mastering TCP: Handshakes, Flow Control, Congestion Control & More

This comprehensive guide covers TCP fundamentals—including differences from UDP, the three‑way and four‑way handshakes, half‑open queues and SYN flood attacks, header fields, Fast Open, timestamps, RTO calculation, flow and congestion control, Nagle algorithm, delayed ACKs, and keep‑alive mechanisms—providing clear explanations and practical examples for engineers.

Congestion ControlFast OpenFlow Control
0 likes · 27 min read
Mastering TCP: Handshakes, Flow Control, Congestion Control & More
Architects' Tech Alliance
Architects' Tech Alliance
Jun 1, 2024 · Industry Insights

Why Do Data Center Networks Congest? Unpacking Many‑to‑One and All‑to‑All Incast Scenarios

The article analyzes how CLOS spine‑leaf data‑center networks encounter congestion under many‑to‑one and all‑to‑all traffic patterns, explains the limitations of simply enlarging buffers, and details how ECN and PFC mechanisms can be tuned to achieve loss‑less, low‑latency operation.

CLOSCongestion ControlData Center Networking
0 likes · 12 min read
Why Do Data Center Networks Congest? Unpacking Many‑to‑One and All‑to‑All Incast Scenarios
Architects' Tech Alliance
Architects' Tech Alliance
May 9, 2024 · Industry Insights

Why RoCE Is Reshaping High‑Performance Computing Networks

The article provides a detailed technical analysis of RoCE (RDMA over Converged Ethernet), its two protocol versions, packet overhead, congestion‑control mechanisms, Soft‑RoCE implementation, and the challenges and performance implications of deploying RoCE in modern HPC environments compared to InfiniBand and traditional Ethernet solutions.

Congestion ControlHPCInfiniBand
0 likes · 17 min read
Why RoCE Is Reshaping High‑Performance Computing Networks
Architects' Tech Alliance
Architects' Tech Alliance
May 5, 2024 · Artificial Intelligence

Why InfiniBand Is the Secret Weapon for AIGC Training Performance

The article examines how InfiniBand’s specialized features—collective communication, in‑network computing, adaptive routing, congestion control, cut‑through forwarding, shallow buffering, and self‑healing—are optimized for large‑scale AI‑generated content (AIGC) training, delivering higher bandwidth, lower latency, and greater fault tolerance than Ethernet alternatives.

AI trainingAIGCAdaptive routing
0 likes · 10 min read
Why InfiniBand Is the Secret Weapon for AIGC Training Performance
Linux Code Review Hub
Linux Code Review Hub
Feb 20, 2024 · Fundamentals

Why TCP Needs a Rethink: RDMA Insights and 800 Gbps Experiments

The talk examines the challenges of using standard Linux TCP for high‑performance data‑center workloads, explores how RDMA can provide zero‑copy and asynchronous kernel bypass, and presents experimental results from an FPGA‑based prototype that approaches 800 Gbps packet rates while highlighting congestion‑control and CPU‑utilization trade‑offs.

Congestion ControlFPGAHigh‑Performance Networking
0 likes · 23 min read
Why TCP Needs a Rethink: RDMA Insights and 800 Gbps Experiments
Liangxu Linux
Liangxu Linux
Feb 7, 2024 · Fundamentals

Why TCP Congestion Control Adds Unexpected RTTs and How to Diagnose It

The article analyzes how TCP's three‑way handshake, slow‑start, and initial congestion window can introduce extra round‑trip times, causing service latency to far exceed network RTT, and shows practical packet captures, Linux defaults, and mitigation techniques.

Congestion ControlLinuxNetwork Latency
0 likes · 9 min read
Why TCP Congestion Control Adds Unexpected RTTs and How to Diagnose It
Liangxu Linux
Liangxu Linux
Oct 26, 2023 · Fundamentals

Understanding TCP vs UDP: Key Differences, Handshakes, and When to Use Each

This article explains the fundamentals of TCP and UDP, comparing their reliability, connection models, flow and congestion control, error detection, and detailing the three‑way handshake and four‑way termination processes to help readers choose the appropriate protocol for different applications.

Congestion ControlFlow ControlHandshake
0 likes · 8 min read
Understanding TCP vs UDP: Key Differences, Handshakes, and When to Use Each
Liangxu Linux
Liangxu Linux
Oct 19, 2023 · Fundamentals

Why TCP’s Handshakes, Headers, and Congestion Controls Really Matter

This comprehensive guide explains TCP fundamentals—including the differences from UDP, the three‑way handshake, four‑way termination, half‑open queues, SYN‑Flood attacks, header fields, Fast Open, timestamps, retransmission timers, flow control, congestion control, Nagle’s algorithm, delayed ACKs, and keep‑alive—providing clear diagrams and practical insights for engineers.

Congestion ControlHandshakeProtocols
0 likes · 27 min read
Why TCP’s Handshakes, Headers, and Congestion Controls Really Matter
Open Source Linux
Open Source Linux
Sep 26, 2023 · Fundamentals

Understanding the TCP/IP Model: Layers, Protocols, and Data Flow

This article explains the TCP/IP protocol suite, detailing its four layers—link, network, transport, and application—along with key protocols such as IP, TCP, UDP, ARP, ICMP, DNS, and the mechanisms of packet encapsulation, routing, flow and congestion control, and connection management.

Congestion ControlFlow ControlNetwork Protocols
0 likes · 23 min read
Understanding the TCP/IP Model: Layers, Protocols, and Data Flow
Liangxu Linux
Liangxu Linux
Jul 16, 2023 · Fundamentals

Understanding TCP & UDP: Headers, Handshakes, Flow & Congestion Control

This article provides a comprehensive overview of TCP and UDP, covering TCP header fields, flow and congestion control mechanisms, the three‑way handshake and four‑way termination, SYN‑flood attacks, UDP characteristics, and a detailed TCP/UDP feature comparison.

Congestion ControlFlow ControlProtocol
0 likes · 12 min read
Understanding TCP & UDP: Headers, Handshakes, Flow & Congestion Control
MaGe Linux Operations
MaGe Linux Operations
Jul 4, 2023 · Fundamentals

Mastering TCP & UDP: Headers, Flow Control, Handshakes, and Congestion Explained

This article provides a comprehensive overview of TCP and UDP protocols, covering TCP header fields, flow and congestion control mechanisms, three-way handshake and four-way termination, reliability guarantees, as well as a detailed comparison with UDP, including connection orientation, broadcast support, and header overhead.

Congestion ControlFlow ControlProtocols
0 likes · 10 min read
Mastering TCP & UDP: Headers, Flow Control, Handshakes, and Congestion Explained
DaTaobao Tech
DaTaobao Tech
Jun 30, 2023 · Operations

How Perception‑Aware Congestion Control Boosts Real‑Time Video QoE by Up to 32%

The paper introduces PACC, a perception‑aware congestion‑control algorithm that leverages a CNN‑based video‑quality sensor to adjust bitrate based on user‑perceived delay and quality trends, achieving 6.8%‑32.4% QoE improvements over existing model‑based, hybrid, and RL‑based schemes in diverse network conditions.

CNNCongestion ControlPACC
0 likes · 16 min read
How Perception‑Aware Congestion Control Boosts Real‑Time Video QoE by Up to 32%
Network Intelligence Research Center (NIRC)
Network Intelligence Research Center (NIRC)
Jun 3, 2023 · Industry Insights

How Zhuge Uses the Shortest Congestion‑Control Loop to Achieve Consistent Low‑Latency Real‑Time Wireless Communication

The article analyzes the SIGCOMM 2022 paper introducing Zhuge, a wireless‑AP‑only solution that separates congestion feedback from the data path to shrink the control loop, dramatically cutting tail latency and boosting real‑time communication performance.

Congestion ControlReal-time communicationZhuge
0 likes · 11 min read
How Zhuge Uses the Shortest Congestion‑Control Loop to Achieve Consistent Low‑Latency Real‑Time Wireless Communication
Architects' Tech Alliance
Architects' Tech Alliance
Apr 12, 2023 · Fundamentals

Applying RoCE (RDMA over Converged Ethernet) to High‑Performance Computing: Benefits, Challenges, and Case Studies

This article examines the RoCE protocol—an RDMA‑enabled Ethernet technology—its evolution, technical details, congestion‑control mechanisms, performance comparisons with InfiniBand, practical deployment issues in HPC clusters, and real‑world case studies such as Slingshot and application benchmarks.

Congestion ControlHPCRDMA
0 likes · 19 min read
Applying RoCE (RDMA over Converged Ethernet) to High‑Performance Computing: Benefits, Challenges, and Case Studies
AI Cyberspace
AI Cyberspace
Apr 10, 2023 · Fundamentals

Mastering TCP: Header Structure, Handshake, Flow & Congestion Control Explained

This comprehensive guide delves into TCP’s core mechanisms—including header fields, segmentation and reassembly, the three‑way handshake and four‑step termination, sliding‑window flow and congestion control, retransmission strategies, and connection design patterns—providing a solid foundation for network engineers and developers.

Congestion ControlFlow ControlNetwork Protocol
0 likes · 26 min read
Mastering TCP: Header Structure, Handshake, Flow & Congestion Control Explained
MaGe Linux Operations
MaGe Linux Operations
Mar 26, 2023 · Fundamentals

Master the TCP/IP Stack: 10 Essential Concepts Every Engineer Must Know

This comprehensive guide walks you through the TCP/IP protocol suite, covering the four-layer model, data link, network, transport, and application layers, and explains key protocols such as IP, ARP, ICMP, TCP, UDP, DNS, as well as connection management, flow control, and congestion control techniques.

Congestion ControlProtocolsTCP
0 likes · 17 min read
Master the TCP/IP Stack: 10 Essential Concepts Every Engineer Must Know
Open Source Linux
Open Source Linux
Jan 9, 2023 · Fundamentals

Why TCP Matters: A Deep Dive into Reliable Transport and Network Layers

This article explains the essential concepts of TCP and UDP, covering the OSI model layers, socket communication, reliable transmission mechanisms such as stop‑and‑wait and sliding‑window, congestion control, connection establishment, and practical differences between TCP and UDP, providing a comprehensive networking fundamentals overview.

Congestion ControlReliabilityTCP
0 likes · 26 min read
Why TCP Matters: A Deep Dive into Reliable Transport and Network Layers
Tencent Cloud Developer
Tencent Cloud Developer
Dec 20, 2022 · Cloud Computing

HARP – Tencent Cloud's High‑Performance, Highly Available Network Transmission Protocol

HARP is Tencent Cloud's high-performance, highly available network transmission protocol that quickly reroutes around switch failures within 100 µs, offering zero packet loss, low latency, high bandwidth, scalable connections, and custom congestion control for storage, HPC, AI, and big data workloads.

Congestion ControlData CenterHARP
0 likes · 15 min read
HARP – Tencent Cloud's High‑Performance, Highly Available Network Transmission Protocol
Open Source Linux
Open Source Linux
Dec 19, 2022 · Fundamentals

Master the TCP/IP Stack: From Layers to Real-World Protocols

This comprehensive guide explains the TCP/IP model’s four layers, key protocols such as IP, ARP, ICMP, DNS, and the differences between TCP and UDP, and details connection setup, termination, flow and congestion control mechanisms like slow start, fast retransmit, and fast recovery.

Congestion ControlProtocolsTCP
0 likes · 23 min read
Master the TCP/IP Stack: From Layers to Real-World Protocols
Liangxu Linux
Liangxu Linux
Dec 14, 2022 · Fundamentals

Unraveling TCP: From Physical Wires to Reliable Data Streams

This article provides a comprehensive, step‑by‑step explanation of TCP and related transport‑layer concepts, covering the OSI model, physical to application layers, socket and port mechanics, TCP header fields, reliable transmission techniques, flow and congestion control, connection setup/teardown, and a brief comparison with UDP.

Congestion ControlNetwork fundamentalsReliable Transmission
0 likes · 28 min read
Unraveling TCP: From Physical Wires to Reliable Data Streams
Thoughts on Knowledge and Action
Thoughts on Knowledge and Action
Dec 2, 2022 · Fundamentals

Understanding TCP: Basics, Handshakes, Flags, and Performance Tuning

This article explains TCP fundamentals—including connection-oriented design, byte‑stream transmission, reliability, header structure, flag meanings, the three‑way handshake, four‑way termination, SYN‑Flood attacks, time‑wait handling, retransmission strategies, kernel tuning parameters, Nagle’s algorithm, and congestion control mechanisms such as slow start and congestion avoidance.

Congestion ControlLinuxProtocol
0 likes · 12 min read
Understanding TCP: Basics, Handshakes, Flags, and Performance Tuning
Su San Talks Tech
Su San Talks Tech
Nov 12, 2022 · Fundamentals

When Is UDP Faster Than TCP? Deep Dive into Socket Protocols

While UDP is often assumed to be faster than TCP, this article explains socket basics, the reliability mechanisms of TCP, scenarios where UDP can be slower, and how application-layer solutions like KCP or QUIC add reliability, helping readers understand when each protocol truly excels.

Congestion ControlNetwork ProtocolsPacket Loss
0 likes · 13 min read
When Is UDP Faster Than TCP? Deep Dive into Socket Protocols
Bilibili Tech
Bilibili Tech
Nov 11, 2022 · Backend Development

Real-Time Audio/Video System Architecture and Key Technologies Based on WebRTC

The article surveys the evolution of live streaming toward low‑latency, interactive scenarios and details WebRTC‑based real‑time audio/video system design, covering RTP/UDP transport, FEC and ARQ loss recovery, congestion control, jitter buffering, echo cancellation, edge‑node path optimization, and a multi‑layer architecture with signaling, routing, mixing services for scalable, high‑availability PK deployments.

Congestion ControlLow latencyMedia Server
0 likes · 16 min read
Real-Time Audio/Video System Architecture and Key Technologies Based on WebRTC
Alibaba Cloud Infrastructure
Alibaba Cloud Infrastructure
Nov 2, 2022 · Operations

Network Performance Anomaly Detection with In‑band Telemetry and High‑Performance Congestion Control (HPCC++) at the 2022 OCP Global Summit

At the 2022 OCP Global Summit in San Jose, Alibaba and Broadcom presented two technical talks covering in‑band telemetry‑based network performance anomaly detection and the HPCC++ congestion‑control algorithm, highlighting deployment challenges, resource trade‑offs, and real‑world data‑center use cases.

Congestion ControlData Center NetworkingHPCC
0 likes · 6 min read
Network Performance Anomaly Detection with In‑band Telemetry and High‑Performance Congestion Control (HPCC++) at the 2022 OCP Global Summit
Open Source Linux
Open Source Linux
Oct 31, 2022 · Fundamentals

Mastering TCP Retransmission: Timeout, Fast Retransmit, SACK, and Congestion Control

This article explains TCP's retransmission mechanisms—including timeout retransmission, fast retransmit, SACK and D‑SACK—along with sliding window operation, window sizing, and congestion control algorithms such as slow start, congestion avoidance, and fast recovery, providing a comprehensive network fundamentals guide.

Congestion ControlNetwork fundamentalsSACK
0 likes · 12 min read
Mastering TCP Retransmission: Timeout, Fast Retransmit, SACK, and Congestion Control
Architects' Tech Alliance
Architects' Tech Alliance
Sep 4, 2022 · Fundamentals

Applying RoCE (RDMA over Converged Ethernet) to High‑Performance Computing: Benefits, Challenges, and Case Studies

This article examines the RoCE protocol and its use in high‑performance computing, describing its low‑latency advantages, congestion‑control mechanisms, performance comparisons with InfiniBand, practical deployment issues, and real‑world case studies such as Slingshot and CESM/GROMACS benchmarks.

Congestion ControlHPCRDMA
0 likes · 18 min read
Applying RoCE (RDMA over Converged Ethernet) to High‑Performance Computing: Benefits, Challenges, and Case Studies
Su San Talks Tech
Su San Talks Tech
Jul 25, 2022 · Fundamentals

Why HTTP/3 and QUIC Are Revolutionizing Web Performance

This article explains the evolution of HTTP from 1.1 to HTTP/3, how QUIC leverages UDP and TLS to achieve low‑latency 0‑RTT connections, solves head‑of‑line blocking, improves congestion and flow control, and why these advances matter for modern web applications.

Congestion ControlHTTP/3Network Protocols
0 likes · 15 min read
Why HTTP/3 and QUIC Are Revolutionizing Web Performance
Efficient Ops
Efficient Ops
Jun 13, 2022 · Fundamentals

Unveiling TCP: How Reliable Transport Works and Why It Matters

This comprehensive guide walks through the fundamentals of computer networking, detailing the OSI layers, the inner workings of TCP and UDP, reliable transmission techniques such as stop‑and‑wait, sliding windows, congestion control, connection setup and teardown, as well as security concerns, performance trade‑offs, and practical use‑case scenarios.

Congestion ControlNetwork fundamentalsReliable Transmission
0 likes · 26 min read
Unveiling TCP: How Reliable Transport Works and Why It Matters
Coolpad Technology Team
Coolpad Technology Team
May 9, 2022 · Fundamentals

Understanding TCP BBR Congestion Control and Bufferbloat

This article explains the design and operation of TCP BBR (Bottleneck Bandwidth and Round‑trip propagation time), its relationship to bufferbloat, the shortcomings of loss‑based congestion algorithms, and details the BBR phases, gain cycle, source code, advantages, disadvantages, and practical considerations for network engineers.

BBRBufferbloatCongestion Control
0 likes · 21 min read
Understanding TCP BBR Congestion Control and Bufferbloat
Sanyou's Java Diary
Sanyou's Java Diary
Feb 11, 2022 · Fundamentals

Mastering TCP: Sliding Window, Flow & Congestion Control Explained

This article continues the previous discussion on TCP handshakes and termination, then thoroughly explains nine essential TCP mechanisms—including sliding window, flow control, congestion control, delayed and piggyback ACKs, sticky packet handling, and keep‑alive—illustrated with diagrams and practical examples.

Congestion ControlFlow ControlNetwork Protocols
0 likes · 15 min read
Mastering TCP: Sliding Window, Flow & Congestion Control Explained
IT Architects Alliance
IT Architects Alliance
Jan 20, 2022 · Industry Insights

Why Hyper‑Converged Data Center Networks Are the Future of AI‑Driven Infrastructure

The article analyzes how hyper‑converged data‑center networking unifies compute, storage, and HPC on a lossless Ethernet fabric, addresses AI‑era performance bottlenecks, compares RDMA over Ethernet with InfiniBand, and outlines the core metrics, value, and key technologies that enable zero‑loss, low‑latency, high‑throughput operation.

AICongestion ControlData Center
0 likes · 13 min read
Why Hyper‑Converged Data Center Networks Are the Future of AI‑Driven Infrastructure
Kuaishou Audio & Video Technology
Kuaishou Audio & Video Technology
Oct 25, 2021 · Operations

How DAP Beats Traditional Congestion Control in Real-Time Video Streaming

The DAP system, developed by Kuaishou’s audio‑video network transmission team, won the ACM MM 2021 Grand Challenge by introducing deadline‑aware scheduling and a novel paired‑sending congestion control algorithm that dramatically improves QoE for real‑time video streams, outperforming Copa, BBR and DRL by up to 43.5%.

Congestion ControlReal-time communicationdeadline-aware scheduling
0 likes · 8 min read
How DAP Beats Traditional Congestion Control in Real-Time Video Streaming
Wukong Talks Architecture
Wukong Talks Architecture
Sep 30, 2021 · Fundamentals

Computer Network Fundamentals: OSI/TCP‑IP Layers, TCP/UDP Differences, Handshakes, and Related Mechanisms

This article provides a comprehensive overview of computer networking fundamentals, covering OSI and TCP/IP layer models, the functions of each layer, detailed comparisons between TCP and UDP, the three‑way handshake, four‑way termination, SYN‑flood attacks, congestion control, and practical mitigation techniques.

Congestion ControlFour-way terminationNetwork Protocols
0 likes · 21 min read
Computer Network Fundamentals: OSI/TCP‑IP Layers, TCP/UDP Differences, Handshakes, and Related Mechanisms
IT Architects Alliance
IT Architects Alliance
Sep 13, 2021 · Industry Insights

Why Hyper‑Converged Data Center Networks Are the Future of AI‑Driven Infrastructure

The article analyzes how AI‑driven workloads, exploding storage and compute capabilities, and distributed architectures expose the limits of traditional three‑network data‑center designs, and explains why a lossless, hyper‑converged Ethernet network with zero‑loss, low‑latency, high‑throughput characteristics is becoming essential.

AICongestion ControlData Center
0 likes · 12 min read
Why Hyper‑Converged Data Center Networks Are the Future of AI‑Driven Infrastructure
Cloud Native Technology Community
Cloud Native Technology Community
Apr 28, 2021 · Fundamentals

Fundamentals of Computer Network Design and Communication

This article provides a comprehensive overview of computer networking fundamentals, covering the essence of network communication, distributed packet‑switching, layered protocol design, congestion‑control mechanisms, the evolution of network technologies, and security considerations, all aimed at helping engineers and students build a solid networking foundation.

Computer NetworksCongestion ControlLayered Architecture
0 likes · 15 min read
Fundamentals of Computer Network Design and Communication
Tencent Cloud Developer
Tencent Cloud Developer
Mar 15, 2021 · Fundamentals

Understanding QUIC: Transport‑Layer Implementation of HTTP/3 and Its Key Features

QUIC, a UDP‑based transport protocol that merges TCP reliability, UDP speed, and TLS security, underpins HTTP/3 by eliminating TCP’s three‑way handshake and head‑of‑line blocking, offering connection migration, 0‑RTT latency, customizable congestion control, fully encrypted packets, and is already being deployed in services such as Tencent Cloud CDN.

Congestion ControlHTTP/3QUIC
0 likes · 17 min read
Understanding QUIC: Transport‑Layer Implementation of HTTP/3 and Its Key Features
Code Ape Tech Column
Code Ape Tech Column
Jan 25, 2021 · Fundamentals

Mastering TCP: Handshake, Flow Control, Congestion Control and More

This comprehensive guide explains TCP fundamentals—including the differences between TCP and UDP, the three‑way handshake, four‑way termination, half‑open queues, SYN‑Flood attacks, header fields, Fast Open, timestamps, retransmission timeout calculation, flow and congestion control, Nagle's algorithm, delayed ACKs, and keep‑alive mechanisms—providing clear examples and diagrams for each concept.

Congestion ControlFlow ControlHandshake
0 likes · 29 min read
Mastering TCP: Handshake, Flow Control, Congestion Control and More
Liangxu Linux
Liangxu Linux
Jan 17, 2021 · Fundamentals

Understanding TCP: Handshakes, Flow & Congestion Control Explained

This article provides a comprehensive overview of TCP fundamentals, comparing it with UDP, detailing the three‑way handshake and four‑way termination, explaining SYN flood attacks, describing the TCP header fields, fast open, timestamps, retransmission timeout calculations, flow and congestion control mechanisms, as well as Nagle's algorithm, delayed ACKs, and keep‑alive behavior.

Congestion ControlFlow ControlHandshake
0 likes · 29 min read
Understanding TCP: Handshakes, Flow & Congestion Control Explained
Open Source Linux
Open Source Linux
Dec 29, 2020 · Fundamentals

Mastering TCP: Handshakes, Flow & Congestion Control, Fast Open and More

This comprehensive guide explains TCP vs UDP, the three‑way handshake, four‑way termination, half‑open queues, SYN‑Flood attacks, header fields, timestamps, Fast Open, retransmission timeout calculations, flow control, congestion control, Nagle’s algorithm, delayed ACKs and keep‑alive mechanisms, providing essential knowledge for networking interviews and system design.

Congestion ControlFlow ControlHandshake
0 likes · 35 min read
Mastering TCP: Handshakes, Flow & Congestion Control, Fast Open and More
Programmer DD
Programmer DD
Dec 12, 2020 · Fundamentals

Master the TCP/IP Stack: 10 Essential Interview Questions Explained

This comprehensive guide walks you through the TCP/IP protocol suite—covering the four‑layer model, key protocols like IP, ARP, ICMP, DNS, the mechanics of ping and traceroute, TCP/UDP differences, connection establishment and termination, flow control, and congestion control—providing the core knowledge needed for networking interviews and solidifying fundamental networking concepts.

Congestion ControlFlow ControlHandshake
0 likes · 22 min read
Master the TCP/IP Stack: 10 Essential Interview Questions Explained
Full-Stack Internet Architecture
Full-Stack Internet Architecture
Dec 2, 2020 · Fundamentals

Transport Layer Overview: TCP and UDP Protocols, Sockets, Ports, and Congestion Control

This article provides a comprehensive introduction to the transport layer of computer networks, explaining the roles of TCP and UDP, socket APIs, port numbers, multiplexing, packet structures, connection management, three‑way handshake, four‑way termination, and congestion‑control mechanisms.

Congestion ControlPort NumbersSockets
0 likes · 49 min read
Transport Layer Overview: TCP and UDP Protocols, Sockets, Ports, and Congestion Control
Top Architect
Top Architect
Oct 26, 2020 · Fundamentals

Comprehensive Overview of the TCP/IP Model and Core Network Protocols

This article provides a detailed introduction to the TCP/IP model, explaining each layer—from the physical and data link layers up to the application layer—along with key protocols such as IP, ARP, ICMP, TCP, UDP, DNS, and the mechanisms of connection establishment, termination, flow control, and congestion control.

Congestion ControlProtocolsTCP
0 likes · 21 min read
Comprehensive Overview of the TCP/IP Model and Core Network Protocols
Programmer DD
Programmer DD
Aug 5, 2020 · Fundamentals

Mastering TCP: Handshakes, Flow Control, Congestion Management and More

This comprehensive guide explains TCP fundamentals—including its differences from UDP, the three‑way handshake, four‑way termination, half‑open queues, SYN flood attacks, header fields, Fast Open, timestamps, retransmission timers, flow and congestion control, Nagle's algorithm, delayed ACKs, and keep‑alive mechanisms—providing clear diagrams and practical insights for developers.

Congestion ControlFlow ControlHandshake
0 likes · 28 min read
Mastering TCP: Handshakes, Flow Control, Congestion Management and More
Selected Java Interview Questions
Selected Java Interview Questions
Jun 20, 2020 · Fundamentals

Comprehensive Guide to TCP: Differences with UDP, Handshakes, Termination, SYN Flood, Fast Open, Timestamps, RTO, Flow & Congestion Control, Nagle, Delayed ACK and Keep‑Alive

This article provides an in‑depth overview of TCP, explaining its core differences from UDP, the three‑way handshake and four‑way termination processes, half‑open queues and SYN‑Flood attacks, Fast Open, timestamp usage, retransmission timeout calculation, flow and congestion control mechanisms, as well as Nagle’s algorithm, delayed acknowledgments and TCP keep‑alive.

Congestion ControlHandshakeProtocol
0 likes · 28 min read
Comprehensive Guide to TCP: Differences with UDP, Handshakes, Termination, SYN Flood, Fast Open, Timestamps, RTO, Flow & Congestion Control, Nagle, Delayed ACK and Keep‑Alive
Efficient Ops
Efficient Ops
Jun 2, 2020 · Fundamentals

Demystifying the TCP/IP Model: From Layers to Handshakes

This comprehensive guide explains the TCP/IP protocol suite, detailing each layer from the physical link to the application, and covers essential protocols such as IP, ARP, ICMP, DNS, as well as connection management techniques like three‑way handshake, four‑way termination, flow control, and congestion control mechanisms.

Congestion ControlHandshakeNetwork Protocols
0 likes · 23 min read
Demystifying the TCP/IP Model: From Layers to Handshakes
Liangxu Linux
Liangxu Linux
Mar 1, 2020 · Fundamentals

Why TCP Falters in Weak Networks: Congestion Control, Handshake & Retransmission

The article explains why TCP performance degrades in high‑loss, high‑latency environments, analyzing the impact of congestion‑control algorithms, the three‑way handshake overhead, and the retransmission strategy, and then outlines modern alternatives and optimizations to mitigate these issues.

Congestion ControlThree-way handshakenetwork performance
0 likes · 14 min read
Why TCP Falters in Weak Networks: Congestion Control, Handshake & Retransmission
UCloud Tech
UCloud Tech
Jan 16, 2020 · Operations

How to Build a Low‑Latency, Lossless RoCE Network for High‑Performance Data Centers

This article explains how to design a low‑overhead, high‑performance lossless RoCE network for data centers, covering RDMA basics, mainstream network options, QoS, lossless and congestion‑control designs, buffer management, deadlock analysis, and practical tuning to achieve sub‑100 µs latency and near‑full bandwidth utilization.

Congestion ControlData Center NetworkingLossless Ethernet
0 likes · 21 min read
How to Build a Low‑Latency, Lossless RoCE Network for High‑Performance Data Centers
Programmer DD
Programmer DD
Apr 1, 2019 · Fundamentals

Mastering TCP Congestion Control: State Machines and Core Algorithms Explained

This article provides an in‑depth overview of TCP congestion control, covering the sliding‑window flow control, the congestion control state machine with its five states, and the four core algorithms—slow start, congestion avoidance, fast retransmit, and fast recovery—plus practical insights for middleware design.

AlgorithmsCongestion ControlLinux
0 likes · 11 min read
Mastering TCP Congestion Control: State Machines and Core Algorithms Explained
Tencent Cloud Developer
Tencent Cloud Developer
Apr 26, 2018 · Frontend Development

Tencent Cloud H5 Voice Communication QoE Optimization: WebRTC QoS Techniques and Congestion Control

Tencent Cloud’s H5 voice‑communication solution improves QoE by applying a comprehensive WebRTC QoS framework—bandwidth estimation, adaptive congestion control, loss‑resilient FEC/NACK, latency and jitter mitigation, and global node optimization—while addressing interoperability challenges and continuously refining performance through monitoring, AB‑testing, and extensive bug fixes.

Congestion ControlFECQoE
0 likes · 13 min read
Tencent Cloud H5 Voice Communication QoE Optimization: WebRTC QoS Techniques and Congestion Control
360 Zhihui Cloud Developer
360 Zhihui Cloud Developer
Dec 21, 2017 · Fundamentals

How BBR Congestion Control Supercharges Cloud Disk Speed

This article explains how the BBR congestion control algorithm, designed for long‑fat networks, overcomes the limitations of traditional TCP to dramatically improve cloud storage download speeds, detailing its principles, implementation steps, and real‑world performance gains.

BBRCongestion ControlPerformance tuning
0 likes · 8 min read
How BBR Congestion Control Supercharges Cloud Disk Speed
21CTO
21CTO
Jun 1, 2017 · Fundamentals

Unveiling TCP/IP: From Handshakes to WebSocket – A Deep Dive

This article explores TCP/IP fundamentals—including three‑way handshake, receive windows, congestion control mechanisms, and HTTP header limits—while demonstrating practical packet captures with tcpdump and building a simple WebSocket chat demo to illustrate protocol behavior and differences from WebRTC.

Congestion ControlHTTPNetwork Protocols
0 likes · 29 min read
Unveiling TCP/IP: From Handshakes to WebSocket – A Deep Dive