6.10 RFC 6349
The RFC 6349 Framework for TCP Throughput Testing describes a practical
methodology for measuring end-to-end TCP Throughput in a managed IP
network.
For using RFC 6349 application, TCP Throughput option is required to the test
module.
If the option has been installed, RFC 6349 icon will appearin Application
Selector.
The Network Master has the test sequence according to RFC 6349.
1. Path MTU
Identifies the maximum IP packet size passing through the network
without fragmentation.
2. Baseline Round Trip Time (RTT)
Measures the lowest RTT assuming that packets pass through the
network without congestion.
3. Window Scan and Throughput
While scanning the TCP window size, measures the maximum bit rate of
the end-to-end network path.
The window size scanning method can be set by Test Mode.
4. Multi-Service
Measures multiple-TCP connection throughput. Multiple TCP connection
throughput test is called "Multi-Service" in Network Master.
The RFC 6349 also defines TCP metrics as Transfer Time Ratio, TCP
Efficiency and Buffer Delay.
6.10.1 Ports Setup and Status
The first step in running an application is to set up the port interfaces. This is
done on the Ports Setup screen, which also provides port status
information.
The setup options and status information related to the Ethernet interface are
described in a separate section:
Ethernet Setup and Status
In Ethernet Setup for RFC 6349 test, three buttons appear in Navigation area.
Streams
Layer 3 setting is fixed to "IPv4", Layer 4 settings is fixed to "TCP".
Settings
"Miscellaneous" tab does not appear.
Filter
Please refer to the sections relevant for your current port setup
requirements.
6.10.2 Test Setup
6.10.2.1 Control
When you go to the test setup of the RFC 6349 application, the following
screen is displayed.
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