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Citrix Delivery Controller v7 Monitoring Using eG Enterprise?
Citrix Delivery Controller 7.x is the latest release from Citrix represents the merging of the XenApp and XenDesktop technologies into one cohesive package that’s built on the same back-end components. Previously, XenApp servers were running on the Citrix Independent Management Architecture. Delivery Controller 7 however is built on the Citrix FlexCast Management Architecture. This architecture is made up out of Delivery Controllers and Agents. XenDesktop 7 supports two types of Delivery Agents: one for Windows Server OS machines and one for Windows Desktop OS machines. As shown in the diagram below, both Delivery Agents communicate with the same set of Delivery Controllers and share the common management infrastructure in Delivery Controller 7. This infrastructure consists of the following core components:
Figure 1 : The Delivery Controller 7 architecture
Since these components closely co-ordinate with each other to deliver desktops and applications to end-users, a problem with any of these core components - say, the unavailability of StoreFront to authorize user logins, the failure of the broker service, performance bottlenecks with the hypervisor, resource-intensive user sessions to the Server OS machines, snags in the internal operations of the Desktop OS machines - can significantly impact the user experience with Delivery Controller 7. Therefore, to ensure a high-quality user experience with the application/desktop delivery service, administrators should closely monitor each component of the Delivery Controller 7 infrastructure, proactively capture performance dips, and accurately isolate where the root-cause of the problem lies - is it with StoreFront? Is it with the delivery controller? Is it with the Server OS machines? Is it with the virtualized platform? Or is it with the Desktop OS machines? This is where eG Enterprise helps!
The eG Enterprise performs end-to-end monitoring of the Delivery Controller 7 infrastructure! Dedicated, web-based monitoring models are offered by eG for each component in the Delivery Controller 7 infrastructure. While the Citrix StoreFront model focuses on the health of StoreFront and promptly captures issues in user authentication, the Delivery Controller component monitors the Delivery Controller (or the Delivery Controller) and reports how well it manages the delivery agents and brokers connections to the Server OS and Desktop OS machines. Moreover the Citrix XenApp model that eG Enterprise provides zooms into the overall performance and problems related to the Server OS machines (that typically run Citrix XenApp) and helps isolate pain-points. Also, to monitor the resources allocated to and the resource usage of hypervisors and the Desktop OS machines operating on them, eG Enterprise offers a specialized monitoring model per hypervisor (such as Citrix XenServer, VMware vSphere, Microsoft Hyper-V, etc.).
Detailed service topology maps in eG represent how these heterogeneous models interact with each other and how dependencies flow.
In the event of a slowdown, eG’s patented virtualization-aware root-cause analysis engine analyzes these dependencies, auto-correlates the performance results captured from the different monitoring models in the light of these dependencies, and accurately diagnoses the source of the slowdown. Proactive email/SMS/web-based alerts are then promptly sent out to administrators to alert them to the potential slowdown and what is causing it. This way, eG Enterprise emerges as the ideal solution for monitoring Citrix XenDesktop 7.