Solutions

Why do UDP latencies spike?

As described in TCP/IP Illustrated, Volume 1, by W. Richard Stevens, Section 11.9 , ARP entries that expire may introduce high latencies on the next send. Entry expiration details are system-dependent; for instance, a packet sent to a particular address may refresh the timeout. On a VxWorks target ...
dstockdill
Thu, 01/17/2013 - 12:02
4716 reads — 0 comments

How do I use keys when using a union?

In general, rtiddsgen only recognizes keys in the outermost structure. To consider the keys in embedded structures, the outer member needs to be a key as well. In the example below, rtiddsgen will not recognize mykey as a key for union A , struct B , or struct C . struct D { long mykey; //@key long ...
alex
Thu, 01/17/2013 - 12:01
4745 reads — 0 comments

Why do I see incorrect RTI Connext behavior while using an SNTP server on Windows for time synchronization?

Note: Applies to RTI Connext 4.x and above. RTI Data Distribution Service 4.4 and later include support for non-monotonic support. Please refer to the 4.4 User's Manual for details and the list of supported platforms. RTI Data Distribution Service 4.3 and earlier requires a monotonic increasing ...
gianpiero
Thu, 01/17/2013 - 12:00
4819 reads — 1 comment

How do I create a RTI Connext Java application in Eclipse?

Note: Applies to RTI Connext 4.x and above. Start Eclipse in the Java perspective. Right-click in the white area of Package Explorer and select New, Java Project In the New Java Project dialog, for the Project name , enter: MyDDSProject Click Finish . (This creates MyDDSProject in the Package ...
erin
Thu, 01/17/2013 - 11:59
11525 reads — 1 comment

With the default QoS for send window size, a reliable writer using KEEP_LAST history may block on write

Note : This solution applies to RTI Data Distribution Service 4.5c. Applications that use writers with KEEP_LAST history may behave differently when built with 4.5c, compromising backward compatibility. Previously, a reliable write would not block under default QoS, as its queue was allowed to grow ...
ken
Thu, 01/17/2013 - 11:59
4413 reads — 1 comment

Why doesn't discovery complete when I run over an RS-232 PPP link on Windows XP SP2?

Note: Applies to RTI Data Distribution Service 4.x. When running RTI Data Distribution Service over an RS-232 PPP link on a Windows XP system with Service Pack 2, you might see the following PPP Server error: WSASendTo() is failing with the error code 10022, WSAEINVAL. This error occurs because the ...
abhi
Thu, 01/17/2013 - 11:58
1810 reads — 0 comments

Summary and typical use cases for different Quality of Service (QoS) parameters

The follow list describes each of the Quality of Service (QoS) parameters and some common use cases for them. Asynchronous Publisher Configures the mechanism that sends user data in an external middleware thread. Can be used to reduce the amount of time spent in the user thread to send data. Must ...
yusheng
Thu, 01/17/2013 - 11:55
18385 reads — 2 comments

Pages