Cloud Connector – VDA to Gateway Service


Cloud connector traffic flows are changing for the XenApp and XenDesktop service.

First, there are multiple deployment scenarios when using the XenApp and XenDesktop service within Citrix cloud:

  1. Full: the Gateway Service and Workspace are hosted within Citrix Cloud
  2. Partial: Workspace is hosted within Citrix Cloud while Gateway is running on-premises.
  3. Minimal: Gateway and StoreFront are running on-premises

When you go with the full option, where Workspace and Gateway are running within Citrix Cloud, the VDA-to-Gateway traffic flow changed.

Previously, the VDA-Gateway traffic would all flow through the cloud connector, notice step 11

With the 7.18 VDA, the VDA-Gateway traffic would be direct, bypassing the cloud connector (step 9).

Why the change?

  • Better Scalability: the connectors are more scalable as it no longer proxies the VDA-Gateway traffic
  • Better Experience: the user experience no longer suffers if the connectors are overloaded

The updated cloud connector flow also automatically falls back to the previous approach if the VDA cannot make a direct connection to the Gateway service. This new approach uses the following Citrix policy within the Citrix cloud-hosted Studio (it is enabled by default).

Rendezvous

The new traffic flow is now part of the XenApp/XenDesktop Cloud Service Poster.

 

Daniel (Follow on Twitter @djfeller)
Citrix Workspace Poster
XenApp/XenDesktop On-Prem Poster
XenApp/XenDesktop Cloud Service Poster

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3 thoughts on “Cloud Connector – VDA to Gateway Service

Add yours

  1. The VDA creates a connection to the Gateway service. The connection is encrypted with TLS. This traffic is the same as earlier when it went through the cloud connector. Now, the VDA can do it without the connector.

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