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data on wire general question

Hello, I am still building my understanding of DDS- RTPS 2.1 data.

My understanding is that the first part of the datagram is going to be the Message header.

Directly after that will be the first sub-message header which will have the ID byte, Flags Byte and 2 sub-message length bytes.

So

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Last seen: 6 years 4 months ago
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Posts: 6
[Reposted] Lowest Level Understanding

Hello,

I am wanting to understand the distinguishing characteristics of data coming across the wire on DDS and Non-DDS.

I an an extreme newbe trying to get my mind around what the traffic itself looks like.

All I can find in documentation is about the API & subsequent IDLs. I think that picture is getting clearer.

I guess what I want to know is how does the middleware see the traffic and say - hey this is DDS stuff lets get busy. As opposed to this is not DDS ignore.

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