google/bbr
Bbr
BBR 是一种 TCP 拥塞控制实现，旨在通过建模网络瓶颈来最大化吞吐量并最小化延迟。它作为一个网络吞吐量优化器，根据估计的瓶颈带宽调整数据传输速度。
该项目包含一个网络状况模拟器，用于模拟丢包和延迟，以测试传输协议性能。它还提供了一套性能分析工具，用于监控连接状态并可视化拥塞控制行为。
该系统涵盖了网络性能分析、连接状态监控和流量管理方面的更广泛功能。这包括使用连接行为可视化来绘制网络流量数据，并分析算法如何安排其响应时间。
Features
- Model-Based Congestion Control - Provides a model-based TCP congestion control implementation that maximizes throughput and minimizes delay.
- Data Throughput Optimizers - Optimizes data transfer speeds by adjusting pacing rates based on estimated bottleneck bandwidth.
- Bottleneck Bandwidth Estimation - Implements the core mechanism for estimating maximum delivery rates to optimize throughput.
- High-Throughput Network Engineering - Maximizes bandwidth and minimizes delay through a congestion control algorithm that models network bottlenecks.
- TCP Congestion Optimizers - Implements a TCP congestion control algorithm specifically designed to optimize throughput and latency.
- Kernel Stack Integration - Integrates congestion control logic directly into the operating system network stack for high performance.
- BBR Implementations - Implements the BBR algorithm to maximize throughput and minimize delay by modeling the network bottleneck.
- Round-Trip Time Measurement - Tracks minimum round-trip time to minimize queueing latency and keep in-flight data optimal.
- Packet Pacing - Employs packet pacing to space out transmissions and prevent buffer overflow in network switches.
- State-Driven Rate Adaptation - Adjusts sending rates through a state-driven cycle of startup, drain, and probe phases.
- Performance Analysis Toolsets - Provides a toolset of scripts and documentation for monitoring connection states and visualizing behavior.
- Network Performance Analysis Tools - Provides tools for monitoring and visualizing real-time connection states under various congestion variables.
- Traffic Behavior Visualizations - Plots network traffic data to analyze how congestion control algorithms time their responses.
- Real-Time Bandwidth Monitors - Tracks real-time congestion variables such as pacing rates and bandwidth estimates.
- Network Emulation Tools - Ships a network condition emulator to simulate packet loss and latency for protocol testing.
