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TCP/IP Network Performance - Benchmarks and Tools
九 27th
价绍五个实用的,流行的,能从应用层和网络层用来进行网络测试或网络排错或进行衡量TCP/IP网络性的一些工具.
一.测量网络性能的五项指标是：
- 可用性（availability）
- 响应时间（response time）
- 网络利用率（network utilization）
- 网络吞吐量（network throughput）
- 网络带宽容量（network bandwidth capacity
这里特别推荐一个带宽测试工具 xjperf 和一个用测试网络丢包率,响应时间,路由稳定性,的工具MTR
以下内容参考这里
Netperf
An engineer at Hewlett-Packard developed Netperf to help the Unix network benchmarking community many years ago, and this benchmarking tool remains popular in Unix / Linux environments today.
NetSpec
NetSpec strives to implement more realistic network performance testing scenarios than the standard utilities by acocunting for variable traffic flows. NetSpec is an academic research project that includes source code.
Nettest
Nettest is a simple latency and bendwidth performance benchmark for point-to-point TCP connections on Solaris and Linux.
TTCP
The Test TCP (TTCP) Benchmarking Tool measures network performance at the TCP and UDP level. Originally developed for Unix, TTCP has also been ported to Windows and other operating systems.
DBS - Distributed Benchmark System
The Distributed Benchmark System (DBS) is a performance benchmark tool for TCP/IP networks that attempts to expand on the capability of other tools in this category. DBS supports retransmission control and congestion avoidance performance evaluation across multiple dynamic connections.
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