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congestion control

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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++ SocketTCPcongestion control
0 likes · 42 min read
TCP Protocol: Overview, Mechanisms, and Practical Usage
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.

HTTPNetworkQUIC
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.

SFUSimulcastVideo Streaming
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++ exampleReliable TransmissionTCP
0 likes · 39 min read
TCP Reliable Transmission Mechanisms and Implementation Details
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.

HTTPHTTP/3QUIC
0 likes · 15 min read
HTTP History, QUIC Overview, and Key Features of HTTP/3
360 Zhihui Cloud Developer
360 Zhihui Cloud Developer
Aug 19, 2024 · Fundamentals

How NACK and TWCC Keep WebRTC Streams Smooth and Low‑Latency

This article explains the QoS mechanisms NACK and TWCC used in WebRTC, detailing their packet‑loss detection, retransmission strategies, congestion‑control algorithms, and how they improve real‑time audio/video communication while minimizing bandwidth waste.

NACKQoSTWCC
0 likes · 10 min read
How NACK and TWCC Keep WebRTC Streams Smooth and Low‑Latency
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 DevelopmentQUICcloud-native
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 handshakeConnection MigrationHTTP/3
0 likes · 21 min read
Deep Dive into QUIC Protocol: Architecture, Features, and Optimization Strategies
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.

EthernetHPCNetwork
0 likes · 19 min read
Applying RoCE (RDMA over Converged Ethernet) to High‑Performance Computing: Benefits, Challenges, and Case Studies
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.

Cloud ComputingHARPcongestion control
0 likes · 15 min read
HARP – Tencent Cloud's High‑Performance, Highly Available Network Transmission Protocol
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.

Audio-VideoMedia ServerReal-time Streaming
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.

HPCC++OCP Summitcongestion control
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
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.

EthernetHPCRDMA
0 likes · 18 min read
Applying RoCE (RDMA over Converged Ethernet) to High‑Performance Computing: Benefits, Challenges, and Case Studies
Architecture Digest
Architecture Digest
Jun 14, 2022 · Fundamentals

Understanding HTTP/3 and QUIC: History, Key Features, and Performance Improvements

This article explains the evolution of HTTP, the release of the HTTP/3 RFC, how QUIC leverages UDP to provide faster, secure connections with 0‑RTT handshakes, solves head‑of‑line blocking, improves congestion and flow control, and details its core mechanisms such as connection migration and ACK handling.

HTTP/3NetworkQUIC
0 likes · 14 min read
Understanding HTTP/3 and QUIC: History, Key Features, and Performance Improvements
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.

Reliable TransmissionTCPUDP
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.

BBRBufferbloatTCP
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.

Sliding WindowTCPcongestion control
0 likes · 15 min read
Mastering TCP: Sliding Window, Flow & Congestion Control Explained
Tencent Cloud Developer
Tencent Cloud Developer
Dec 16, 2021 · Operations

Optimizing Real-Time Audio/Video Transmission for 5G Remote Control Scenarios

To meet 5G remote‑control demands of sub‑200 ms latency, sub‑0.2 % jitter and 20‑30 % loss, the article proposes jointly optimizing capture, transport, a reduced jitter buffer, a hybrid GCC‑plus‑SNR congestion‑control algorithm, and adaptive interleaved FEC to approach the 100 ms target.

5Gaudio video streamingcongestion control
0 likes · 11 min read
Optimizing Real-Time Audio/Video Transmission for 5G Remote Control Scenarios