RTI Core Libraries and Utilities

Enabling communication between SPDP and SPDP2 participants with Routing Service

In RTI Connext 7.0.0 and 7.1.0, communication between participants using Simple Participant Discovery Protocol (SPDP) and Simple Participant Discovery Protocol 2.0 (SPDP2) is not possible by default. Both participant and endpoint discovery will fail to complete between an SPDP and SPDP2 participant ...
olivia.dorencz
Mon, 02/06/2023 - 14:35
680 reads — 0 comments

Which RTI library architecture should I use for my Linux platform?

To determine if your Linux platform is compatible with an RTI architecture, you will need to know the CPU architecture (e.g. x64 or ARM), GLIBC, and GLIBCXX versions in your target platform. To find the GLIBC library, here are the steps we recommend you run on your target platform: $ ldd `which ls ...
grayson
Wed, 02/01/2023 - 16:49
189 reads — 0 comments

Eliminating OS-induced jitter on Linux-like platforms

Jitter when making API calls can result in inconsistent execution time for making those calls. For example, the median call to return_loan() may take ~4,500 nanoseconds, but there could be execution outliers that take 5-10x this median time. What could cause this kind of behavior? The cause of such ...
grayson
Tue, 05/24/2022 - 16:27
903 reads — 0 comments

How to uniquely identify a coherent set

Note : This article discusses the coherent_set_info field, which is only available in Connext Professional 6.1.0 and higher. The information about the coherent set that a sample belongs to is stored in the optional field coherent_set_info , which is part of the SampleInfo structure. This optional ...
plombardero
Tue, 05/10/2022 - 09:35
730 reads — 0 comments

Understanding the "XML object with name '<xml_obj_name>' already exists" Error

Occasionally users will run into the following error message, or something similar, when starting their Connext application and will have a hard time identifying the cause. Error: Failed to create Connector: RTIXMLObject_addChild: XML object with name '<xml_obj_name>' already exists ...
hainsworth
Thu, 01/13/2022 - 15:47
1161 reads — 0 comments

Using Connext Pro with Linux RT_PREEMPT Kernel

Connext applications can enjoy consistent "me-first" execution by running at an elevated priority on the Linux RT_PREEMPT kernel. RT_PREEMPT is a kernel enhancement that enables real-time preemption and settable priorities for processes and threads, similar to an RTOS. This can be put to use for ...
neil-rti
Tue, 10/12/2021 - 20:43
1048 reads — 0 comments

Using .NET Framework with the New RTI Connext C# API

In 2020, Microsoft released .NET 5 with the goal of unifying the .NET world and effectively deprecating .NET Framework, .NET Core, and .NET Standard (in technical terms, .NET 5 is the evolution of .NET Core 3.1). Taking this into account, the documentation for the new RTI Connext C# API released in ...
scardenete
Mon, 10/04/2021 - 08:03
2611 reads — 0 comments

Statuses changes

Note: This article applies to RTI Connext 6.1.0 and above. Connext DDS 6.1.0 has introduced some changes and new behaviors for statuses. This article introduces and clarifies some of those changes. First, let's explain some status definitions: Lost : This status indicates that one or more DDS ...
sgasquez
Mon, 08/02/2021 - 08:14
1683 reads — 0 comments

Understanding Instance States

Note : This article is based on the 6.1.0 release of RTI Connext DDS. This article explains what Instances and Instance States are, describes how they apply whether you use them or not, and clears up some common misconceptions. ...
kieranb
Mon, 05/24/2021 - 04:57
1711 reads — 0 comments

How to use the Real-Time WAN Transport

In Connext DDS Professional 6.1.0 and above, a new UDP-based transport is available for communicating over a wide area network (WAN). The Real-Time WAN Transport is a smart transport that enables secure, scalable, and high-performance communication over WANs, including public networks. Real-Time ...
grayson
Thu, 05/20/2021 - 13:03
1656 reads — 0 comments

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