Garland Technology ensures complete network visibility by delivering a full platform of network test access point (TAPs) and packet broker products
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It goes without saying, but proper application monitoring is a critical component of sound network management. Let the following example show you:
Say you have two critical 10G links that you need to monitor with a few inline network tools. That sounds like a big problem because each inline appliance has the potential of introducing a point of failure. Then, there is also the problem of getting all the network traffic from each critical link to go to each individual inline appliance for processing.
Sounds like a scenario that could be difficult and expensive to implement. But it doesn’t have to be.
By using Advanced Aggregation, you can increase the efficiency and port utilization of your network!
Bypass TAPs provide several benefits to your network when connected to inline appliances, but the most importantly, they eliminate the possibility that the inline appliance could create a point of failure for your network.
The Bypass TAPs cannot be connected directly to the inline appliance for two reasons. First because the network links are 10G and the appliances are 1G. And second, since you are trying to monitor two separate links, you would need two sets of monitoring tools to analyze the traffic.
By using the PacketMAX Advanced Aggregator, we can avoid these issues, since the Advanced Aggregator is purpose built to provide flexibility for your network. Each port on the Advanced Aggregators can be configured to receive inbound network traffic or to transmit outbound monitoring traffic. The Advanced Aggregator can also be set to load balance the traffic across the 5 appliances, so that the ports on the individual appliances are not oversubscribed. Finally, the Advanced Aggregators can tag the packets, so that when the packet is returned, it will know what link to return it to. This capability eliminates the second problem, removing the need for two sets of application monitoring appliances.
Connect your appliances to the Advanced Aggregator using the appropriate cables and pluggables.
Program the Advanced Aggregator. It needs to be set up to load balance the traffic out to the monitoring appliances. Tag the packets so they can be returned to the proper link, and distribute the traffic out to the five 1G appliances. When the traffic is returned to the Advanced Aggregator after being processed by the application monitoring tools, it needs to remove the tags and return the packets to their proper 10G links.
Now that you’ve connected the inline appliances without introducing any points of failure, you are ready to analyze your traffic. You can even take your appliances offline, should you need to perform updates to the software or firmware, without scheduling a maintenance window of network downtime.
Looking to add an aggregation solution to your next deployment, but not sure where to start? Join us for a brief network Design-IT consultation or demo. No obligation - it’s what we love to do!
Chris Bihary has been in the network performance industry for over 20 years. Bihary has established collaborative partnerships with technology companies to complement product performance through the integration of network test access points. Previously, Bihary was Managing Partner at Network Critical.