Citrix SD-WAN Series - Architecture

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Citrix SD-WAN Platforms

smaller appliances are used at the spokes, whenever the link speed or the number of XenApp/Xen-

Desktop users is higher than can be supported by a smaller appliance.

DC to DC Replication

If you require a secondary data center, SD-WAN WANOP 4000, 5000 appliances can provide optimiza-

tion for Data-Center to Data-Center replication. This optimization improves replication time and re-

duces bandwidth consumption.

For details on how to configure an SD-WAN WANOP appliance for DC-to-DC replication with NetApp

Snap Mirror, see http://support.citrix.com/article/CTX137181.

Architecture

June 25, 2020

Internally, the SD-WAN 4000/5000 appliance contains several virtual machines:

• A Xen hypervisor

• A NetScaler instance

• At least two accelerator instances

• A management server instance that manages the GUI and other tasks

• Internal networking

Figure 2. SD-WAN 4100/5100 virtual machines, internal networks, and external port usage (inline de-

ployment shown)