Solutions

How do I change the multicast time-to-live (TTL)?

Note: Applies to RTI Connext 4.x and above RTI Connext 4.x and above uses a default multicast time-to-live (TTL) value of 1. This means that, by default, multicast traffic will not cross subnet boundaries. The TTL value can be adjusted in the transport property. Method One for modifying the TTL ( ...
waffletchnlgy
Thu, 01/17/2013 - 12:06
17219 reads — 0 comments

Why doesn't my RTI Connext application communicate with an RTI Connext application installed as a Windows Service?

Note: Applies to RTI Connext 4.x and above. An RTI Connext application installed as a Windows Service application (formerly known as an NT service) will not communicate over shared memory with a DDS application that is not installed as a Windows Service. This is due to the namespace used to create ...
vishal
Thu, 01/17/2013 - 12:05
7577 reads — 0 comments

Why does RTI Developer Platform fail to start on Fedora 7?

Note: FlexLM is no longer a dependency for RTI Connext 4.5e and above. Fedora 7 lacks a library required by FlexLM. RTI Developer Platform uses FlexLM. You will encounter the following error during start up of RTI Developer Platform: License Error RTI Development Platform:failure to load ...
dstringer
Thu, 01/17/2013 - 12:03
4616 reads — 0 comments

Why does my application hang on Windows when deleting the participant?

Note: Applies to RTI Data Distribution Service 4.4b and below If a network interface is disconnected or disabled while your application is running, your application might hang when properly shutting down your DomainParticipant. The likely cause is how the middleware cleans up sockets and how ...
yusheng
Thu, 01/17/2013 - 12:03
5166 reads — 0 comments

Why do I get an inconsistent QoS error when recompiling my 4.1e application for 4.2e?

One of the more common reasons is due to the parameter late_joiner_heartbeat_period (part of DDS_RtpsReliableWriterProtocol_t , used in the DataWriterProtocolQosPolicy and DisoveryConfigQosPolicy ) which is new in RTI Data Distribution Service 4.2. late_joiner_heartbeat_period is used when a ...
gianpiero
Thu, 01/17/2013 - 12:03
5716 reads — 0 comments

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
6440 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
6066 reads — 0 comments

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