Measures reported by CtxXcXAEDTTest
Adaptive Transport – a new transport mechanism for Citrix XenApp and XenDesktop servers is faster, more scalable, improves application interactivity, and more interactive on long-haul WAN and internet connections. When Adaptive Transport is used, ICA virtual channels intelligently switch the underlying protocol for user sessions between Enlightened Data Transport protocol and TCP to deliver faster, scalable and reliable performance.
When users have connected to Citrix XenApp servers via EDT protocol, administrators may often want to know how the experience of each user is. This is why, the CtxXcXAEDTTest test auto-discovers the users who are connected to Citrix XenApp servers via the EDT protocol, and measures the bandwidth usage, packets transmission and reception, and latency of each user with the server. In the process, bandwidth-hungry, latent user sessions can be accurately isolated.
Outputs of the test : One set of results for every user who is currently connected to the Citrix XenApp via the EDT protocol.
The measures made by this test are as follows:
| Measurement |
Description |
Measurement Unit |
Interpretation |
| No_of_sessions |
Indicates the number of sessions intiated by this user. |
Number |
The value 0 indicates that the user is not currently connected to the Citrix server. |
| Bandwidth |
Indicates the bandwidth usage of all sessions of this user. |
Kbps |
Compare the value of this measure across users to know which user is consuming the maximum bandwidth. |
| Round_trip_time |
Indicates the round trip latency between the virtual machine and this user. |
Seconds |
Comparing the value of this measure across users will enable administrators to quickly and accurately identify users who are experiencing higher latency when connecting to a virtual machine via EDT protocol. |
| Flow_window |
Indicates the size of the flow window. |
KB |
The flow window and congestion window are used to control the congestion in the network. The smaller the value of both the windows, the data will be sent without any delay. The larger the value, the data will be added up in the sent queue and it will be sent with delay. |
| Congession_window |
Indicates the size of the congestion window. |
KB |
| Sent_data |
Indicates the number of EDT packets sent by this user. |
Packets |
|
| Received_data |
Indicates the number of EDT packets received by this user. |
Packets |
|
| Retransmitted_data |
Indicates the number of EDT packets that were retransmitted by the user. |
Packets |
Retransmission is the resending of packets which have been either damaged or lost. Retransmission is one of the basic mechanisms used by protocols operating over a packet switched computer network to provide reliable communication. |
| Sent_lost |
Indicates the number of packets lost by this user during transmission. |
Packets |
Ideally, the value of this measure should be zero. Comparing the value of these measures across users will enable administrators to quickly and accurately identify users who have extensively lost packets during transmission and reception of packets via EDT protocol. |
| Received_lost |
Indicates the number of packets lost by this user during reception. |
Packets |
| Sent_Acks |
Indicates the number of acknowledgements that were received by this user for sending the EDT packets. |
Number |
|
| Sent_Nak |
Indicates the number of negative acknowledgements that were received by this user for sending the EDT packets. |
Number |
|
| Rcvd_Acks |
Indicates the number of acknowledgements that were received by this user for reception of EDT packets. |
Number |
|
| Rcvd_Nak |
Indicates the number of negative acknowledgements that were received by this user for reception of EDT packets. |
Number |
|
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