VeloCloud Feature Overview & Testing
Purpose of this LAB is to understand the NSX SD-WAN VeloCloud Product feature set. To understand this we will be using the NSX SD-WAN Orchestrator. When any user logs in to orchestrator, all branch where Edge are installed and its device status is shown. It also states the number of link that devices is connected and its states.
To get a better understanding of where all the edges are located click on the following:
Click on the map and zoom into the US | CA | San Jose
Let’s look at an individual location and see what detail is provided by the SD-WAN solution:
Click to select the ‘Chennai BO’ edge
You will see the Following Window: In this you will see the total number of links, which will be automatically populated, as soon as the Edge is activated. It will discover the Service Provider as well as the bandwidth of the link, including the physical port that this capacity is connected to on the edge device.
Here you can also see the performance of the Link, like its Latency, Jitter, packet loss Behavior. Click on the Link Status detail icon to explore real time link statistics
It will help to understand what the links are capable of transporting and what the impact of these conditions are on applications.
Another way to determine the link quality is to look at the Quality of Experience (QoE) rating
- Click on the QoE tab
The screen shows the VeloCloud Quality Sore (VQS) for each of the links and rates them on a scale from 0 through 10 on how well the links perform to carry a certain type of traffic (Voice in the default case).
It will show the score before SD-WAN services applied and also it will show the quality observed by end users after SD-WAN services were applied.
The VeloCloud solution enables packet duplication to mitigate effects of packet loss on all of the available links. In addition de-jitter buffering feature also normalize the effects of jitter on VOIP calls.
All of the above discussed method like steering and mitigation techniques are dynamically enabled on a per-application basis. Steering of flows is done on a per-packet basis which ensures sessions are preserved while protecting the quality of the session towards the end-users.
Let’s select the another Traffic Type and see how the quality rating changes for an application that is more sensitive to network impairments.
- Click on the Traffic Type
- Click to select Video
Lets look on transport visibility where administrators can seek to better understand the utilization of the individual links
Click on the Transport tab
Admin can place an Edge in live mode in which it will stream real time updates to the Orchestrator. This is a tool that is valuable for troubleshooting and identifying network utilization pattern breakouts.
- Click the ‘Start Live Monitoring’ button to get real time (per second) updates on link utilization
- Click to select the ‘Show TCP/UDP Details’ to explore utilization of individual links as well as protocols
- Click on the metric drop down | ‘Average Throughput’
- Click on the ‘Stop Live Monitoring’ to suspend real time traffic updates
Now from Edge device it can also be detected that which applications are being used and have awareness of what the networking requirements are for each application. The embedded Deep Application Recognition (DAR) engine can detect around 3,000 applications.
- Click on the Applications tab
- Click on the scroll bar to navigate to the bottom of the page
- Click on the down arrow to expand with 10 additional applications
- Click on the scroll bar to navigate to the top of the page again
Let’s investigate why there is a sizeable volume of YouTube traffic on the branch network and eroding bandwidth.
- Click to select YouTube traffic
- The Top Applications infographics will show which devices are using YouTube and to which domains the flows are being sent.
- Click on the close