
Chapter 6 Performance Management 355
Business Communications Manager - Management User Guide
Accessing the UDP Packets graph and table
User Datagram Protocol (UDP) is a transport layer protocol designed to improve performance of
message transfer between a host server and a gateway to the Internet. UDP uses IP for data transfer
and as a result, relies on a best effort delivery strategy. UDP establishes a host-to-host
communication channel to deliver packets between processes running on two different Business
Communications Manager systems. The MSC, for example, uses the UDP protocol to enable the
T.38 fax feature.
To access the UDP Packets Graph and Table
1 Access the Resources performance monitor (see “Accessing the Resources Performance
Monitor” on page 350). Continue to the next step of this procedure when complete.
2 From the Performance drop-down menu, select one of the following from the top line menu
item:
a UDP Packets Graph
b UDP Packets Table
UDP Packet counter types
The UDP Packets graph and table selections display UDP-related network traffic statistics. When
you display the UDP Packets graph, you can select one of the following counter types:
• Datagrams no port: The rate of received UDP datagrams for which there was no application
at the destination port.
• Datagrams received errors: The number of received UDP datagrams that could not be
delivered for reasons other than the lack of an application at the destination port.
• Datagrams received: The rate that UDP datagrams are delivered to UDP users.
• Datagrams sent: The rate that UDP datagrams are sent from the entity.
• Datagrams: The rate that UDP datagrams are sent or received by the entity.
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