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Cisco DNA Center: Assurance
Cisco DNA Center is Cisco’s answer to the SDN (Software Defined Networking) question. The next generation of network management is about a much more dynamic approach to network management with automatic insights and health scores on the network.
How do you provide intent based networking, providing simplicity of management and control, while providing advanced fault finding.
Assurance vs Automation
DNA will roll out in two broad phases: Assurance and Automation.
The initial focus for DNA Center is going to be Assurance: providing automated monitoring and the new feature of advanced insights.
These will provide network support staff with a health score on the overall network, allowing effort to be focused on the areas that really affect user experience and not just chasing up / down style alarms.
While Cisco DNA is fully capable of controlling and configuring a network, in the initial deployments it should be used in the monitoring (assurance mode). Automation mode will provide the full suite of Intent Based Networking options, and as DNA Center rolls out over the next 12 – 18 months, these features will become more prevalent.
Assurance in DNA is a completely different concept from a simple SNMP manager – or even the more agile management offered by Prime. DNA opens up the concept of network telemetry.
Think of biomedical patient monitors – they send constant, live telemetry back on status. This concept is now being rolled out to networking equipment, so for example, you’ll have access points providing a constant stream of data, which can be later examined and used for fault finding purposes.
A standard SNMP monitor either polls devices on a standard poll interval, or sends a trap on a particular threshold being breached. You see an alarm and then perhaps have to turn on a debug and repeat the issue that’s just occurred to figure out what’s happening; telemetry on Cisco DNA Center means you’ll already have that information and can immediately start to fault find.
Cisco DNA Center uses AI to use live streaming telemetry data from the network and then process this to provide simple useable insights, along with guided remediation's to help network admins quickly identify and resolve issues:
It can be typified as:
In summary, DNA Assurance is the process of using DNA Center in Assurance mode.
In this mode, DNA will monitor and report on network issues. With the concept of a health score, DNA is able to determine issues that actually affect the network and can alert on these - essentially it's the answer to 'alarm blight' where you end up with a thousand alarms and not sure on which are actually important. With DNA, it's able to determine which actually affect the user experience and alert on these.
If you want help with your DNA installation, drop us a line at email@example.com