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Application Flow Analysis

Real-Time Application Analysis Using GetFlow™ Technology

Automates Flow Analysis, While Providing Greater Visibility into Application Behavior

Ensuring that business-critical applications run smoothly for every user is a key function in managing today's network infrastructures. Congested circuits cause periodic slowdowns that, in turn, lead to costly losses in user productivity and expensive IT group analyses of the situation. Identifying a problem on your network — as it is happening — and understanding the causes can mean the difference between effective, timely troubleshooting and a network in chronic trouble.

The NetMRI Application Flow Analysis Technology Module, based on innovative GetFlow technology from Netcordia, delivers real-time visibility into your network application flows, automatically and on-demand. The detailed visibility and analysis allows you to resolve issues quickly, ensuring that applications perform as expected throughout the network.

Real-Time Analytics on Application Flow

NetMRI's Application Flow Analysis Module brings real-time application flow perspective to network troubleshooting. The GetFlow technology shows you the relative mix of applications, source-destination pairs, top talkers and listeners, and classes of service in use at any given time. These same insightful analytics are triggered and collected automatically whenever NetMRI detects an interface congestion or utilization issue anywhere on the network. And all of this is possible without having to deploy dedicated flow collection devices.

Using NetMRI's built-in expert rules and best practices as guidelines, NetMRI's GetFlow technology automatically triggers data collection from routers, and archives data for a pre-determined amount of time across the entire network whenever deviation occurs. The Application Flow Analysis Module generates reports on application flow data in real-time, as congestion is detected, so that you can react to and troubleshoot network problems as they happen, keeping the network healthy and users satisfied.

Automatically Triggered Data Collection

The NetMRI Application Flow Analysis Module puts a virtual IT professional in place to keep a constant vigilant eye on your network, monitoring application flow according to "best practices" and facilitating analysis at any deviation. NetMRI can trigger a full and extensive collection of data across the network in real-time so that you can respond immediately as a problem is occurring rather than after the fact.

Detailed Flow Data On-Demand

The GetFlow technology can be used to obtain a detailed visualization of the application flow analytics at any time, on-demand. If, for example, you want to check a particular router interface, you can use GetFlow to obtain immediate application flow information about the suspect interface.

The application flow is detailed enough to help you troubleshoot problems fast. GetFlow shows application flow data by bytes, by protocol, by ports (giving source-destination pairs), and by type of service. Now you can not only detect traffic variations on the network, but you can also analyze the flow to find out where traffic is coming from and going, what kind of traffic it is, what it contains, and how much of a priority it is.

Automatic Application Flow Control

NetMRI's Application Flow Analysis Module makes application flow data collection from routers efficient and effortless. You no longer need to have IT personnel turn router interfaces on and off manually to enable data collection. The GetFlow technology turns the router interface on automatically when data has to be collected, and then turns the interface off when the data collection is complete, eliminating the need for human intervention.

An additional advantage to using GetFlow for application flow data collection is that, unlike other application flow collectors, GetFlow consumes a negligible amount of bandwidth when requesting application flow data directly from the router. And by turning on application flow collection only when it is needed, GetFlow reduces router bandwidth, as well as CPU and memory requirements.

Automated Data Collection

Whenever NetMRI's Application Flow Analysis Technology Module detects congestion on a router and triggers application flow data collection, the GetFlow technology continues to collect data until the issue is resolved. This automated data collection feature is especially useful when an issue occurs and is not resolved for a longer period of time. The data collection occurs automatically for the duration of an issue, and ceases when NetMRI detects that the issue has been resolved.

This collecting and archiving of data during an issue can be particularly helpful when troubleshooting a problem that happens overnight or when IT staff is absent. Now you can not only know when the problem occurred, but you can also determine exactly what the problem was — including the application flow behavior at the time of the issue — and take remedial steps to prevent its recurrence.

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