6. Using Vortex OpenSplice with Vortex Cloud and Vortex Fog — OpenSplice Getting Started Guide

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# 6. Using Vortex OpenSplice with Vortex Cloud and Vortex Fog

If Vortex OpenSplice is deployed using the DDSI2/DDSI2E network-services in a LAN or a private cloud (multicast-enabled cloud) and Vortex Fog is configured to discover user applications using UDP-multicast in the LAN/private cloud, then Vortex OpenSplice does not need to be configured with any particular configuration property as Vortex Fog will discover and communicate with Vortex OpenSplice using the standardized multicast IP address and UDP ports. The only constraint is that both Vortex OpenSplice and Vortex Cloud are configured to participate in the same DDS domain (`domainID`).

If Vortex OpenSplice is deployed in a WAN (without multicast-support), then it needs to be configured to use the TCP transport. It also needs to be configured with the peers of one or several Discovery Services (DS) of the deployed Vortex Cloud. If multiple DS’s are available, Vortex OpenSplice may be configured with several discovery service peers in a peers group.

Example with a single discovery service locator:

    <DDSI2Service name="ddsi2">
    <General>
    .....
         </General>
    <TCP>
    <Enable>True</Enable>
    </TCP>
    <Discovery>
    <Peers>
    <Peer>1.1.1.1:7400</Peer>
    </Peers>
    </Discovery>

Example with two discovery service locators:

    <Discovery>
    <Peers>
    <Peer>1.1.1.1:7400</Peer>
    <Peer>2.2.2.2:7400</Peer>
    </Peers>
    </Discovery>

NOTE: Unlike when deployed on a multicast LAN (where the `domainID` determines the multicast-address used for discovery), the addressed DS of Vortex Cloud will discover (and subsequently match) data from any DDS-domain utilized by Vortex OpenSplice. Utilizing multiple Vortex Cloud discovery services in the WAN (i.e. one per domain) allows for domain-specific discovery and subsequent routing if required.

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