End-to-End QoS

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Consolidating QoS policies

Hi all,

I would like to ask how QoS policies work across DDS entities in general (I understood the request-offer semantics between DataReader and DataWriter). For example, the durability QoS can be specified on the Topic itself as well as the DataWriter that updates the Topic instance. Does one overwrite the policy value of another?

Keywords:

A SIP-based Network QoS Provisioning Framework for Cloud-hosted DDS Applications

Abstract: The growing trend towards running publish/subscribe (pub/sub)-based distributed real-time and embedded (DRE) systems in cloud environments motivates the need to achieve end-to-end quality-of-service (QoS) over wide-area networks (WANs).  The OMG Data Distribution Service (DDS) is a data-centric middleware that provides fast, scalable and predictable distribution of real-time critical data.

Publication Year: 
2011
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