相关实验视频
Updated: Jul 24, 2025

07:45
Quasi-light Storage for Optical Data Packets
Published on: February 6, 2014
10.9K
在FPGA上为10Gbps以太网提供双队列结构的低延迟TOE
Dan Yang1, Xuhan Xu1, Tianyang Chen1
1Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Shanghai Institute for Advanced Communication and Data Science, Shanghai University, Shanghai 200072, China.
Sensors (Basel, Switzerland)
|July 11, 2023
概括
本研究介绍了一种基于FPGA的新型硬件卸载引擎,具有双队列存储结构,以增强TCP/IP处理. 新设计显著降低了延迟,并改善了对高需求数据中心网络的吞吐量.
科学领域:
- 计算机工程 计算机工程
- 网络工程 网络工程
- 硬件加速器 硬件加速器
背景情况:
- 传统的基于软件的TCP/IP堆消耗大量的CPU资源,阻碍了数据中心的网络性能.
- 高吞吐量,低延迟和多会话数据处理对于现代数据中心网络至关重要.
研究的目的:
- 提出一个10G TCP/IP硬件卸载引擎 (TOE),使用具有双队列存储结构的FPGA.
- 开发TOE接收-传输延迟的理论分析模型,以实现动态通道选择.
主要方法:
- 在FPGA上实现双队列存储结构,用于10G TCP/IP硬件卸载引擎.
- 开发一个理论模型来分析TOE接收-传输延迟.
- 硬件卸载引擎的董事会级核实.
主要成果:
- TOE支持1024个TCP会话,实现9.5 Gbps的接收率和600 ns的最小传输延迟.
- 与其他硬件方法相比,双队列存储结构至少提高了55.3%的延迟.
- 在基于软件的方法中,TOE的延迟仅为3.2%.
结论:
- 拟议的基于FPGA的TOE具有双队列存储结构,有效地解决了基于软件的TCP/IP处理的局限性.
- 这种硬件加速显著提高了网络性能,为数据中心应用提供了大幅度的延迟减少和高吞吐量.
相关概念视频
Transmission Line Design Considerations
171
Aluminum has become the material of choice for overhead transmission lines, surpassing copper due to its abundance and cost-effectiveness. The most prevalent type is the aluminum conductor, steel-reinforced (ACSR), which combines aluminum strands around a steel core. Other variants include all-aluminum conductors (AAC), all-aluminum alloy conductors (AAAC), aluminum conductor alloy-reinforced (ACAR), and aluminum-clad steel conductors. Advanced designs, such as aluminum conductors with steel...
171
Fast Decoupled and DC Powerflow
239
The fast decoupled power flow method addresses contingencies in power system operations, such as generator outages or transmission line failures. This method provides quick power flow solutions, essential for real-time system adjustments. Fast decoupled power flow algorithms simplify the Jacobian matrix by neglecting certain elements, leading to two sets of decoupled equations:
239
Distributed Loads
558
Distributed loads are a common type of load that engineers and scientists encounter in various practical situations. Distributed loads often refer to a type of load spread over a surface or a structure and can be modeled as continuous force per unit area.
For example, consider a bookshelf filled with books stacked vertically adjacent to each other. The weight of the books is evenly distributed over the length of the shelf. As a result, the pressure at different locations on the surface of the...
For example, consider a bookshelf filled with books stacked vertically adjacent to each other. The weight of the books is evenly distributed over the length of the shelf. As a result, the pressure at different locations on the surface of the...
558
Biasing of FET
322
Biasing a Junction Field Effect Transistor (JFET) is crucial for setting operational parameters and ensuring efficient functioning in electronic circuits. JFETs are characterized by using a single carrier type in N-channel or P-channel configurations, where the channel is surrounded by PN junctions. These junctions are central to the device's ability to control current flow.
In an N-channel JFET, the structure consists of N-type material forming the channel on a P-type substrate, with the...
In an N-channel JFET, the structure consists of N-type material forming the channel on a P-type substrate, with the...
322
Transmission-Line Differential Equations
344
Transmission lines are essential components of electrical power systems. They are characterized by the distributed nature of resistance (R), inductance (L), and capacitance (C) per unit length. To analyze these lines, differential equations are employed to model the variations in voltage and current along the line.
Line Section Model
A circuit representing a line section of length Δx helps in understanding the transmission line parameters. The voltage V(x) and current i(x) are measured...
Line Section Model
A circuit representing a line section of length Δx helps in understanding the transmission line parameters. The voltage V(x) and current i(x) are measured...
344
Cable Subjected to a Distributed Load
733
The analysis of suspension bridges is a complex and critical process that involves multiple factors, including the shape and tension of the main cables. The main cables of suspension bridges are subjected to distributed loads, which result in changes in tensile forces and deformation of the cable. These loads must be carefully considered to ensure that the bridge is safe and capable of supporting the weight of different loads.
733

