Garland Technology ensures complete packet visibility by delivering a full platform of network TAP (test access point), inline bypass and packet broker products.
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If you’ve previously read the Garland Technology blog, you know the importance that network TAPs have with regard to guaranteeing your network security and visibility. These devices provide a complete copy of traffic, passing data to your critical monitoring tools and applications.
It’s essential to understand that not all network TAPs are made the same. From speed and materials to functional characteristics, do you know which TAP you need to protect your network?
To determine which TAP best suits your network, you must decipher the type of traffic that you need to capture, followed by the speed. Are you looking to TAP 10/100/1000M Copper or 1/10/40/100G Fiber?
But there’s more to consider. There are a number of different TAPs that have varying functional capabilities.
A new type of network TAP, filtering TAPs are an especially valuable device in the 10G and 40G environments due to the cost of test equipment in this space. Some TAPs have the ability to utilize more commonly accessible 1G analysis and monitoring tools in 10G networks. To avoid dropping packets and ensure complete data capture, Garland's XtraTAP: All-in-1 has advanced filtering capabilities that selectively pass data to the 1G port based on your set criteria – from application to VLAN ID or other factors.
At greater speeds, analyzing your network traffic using the "capture and decode" method is virtually impossible. Filtering access is the best way to analyze your business-critical traffic. An XtraTAP is an impactful component of any strategic effort to monitor specific, essential network metrics, like frame errors and corrupted frames in IPv6.
Keep in mind that any network TAP with filtering capabilities must meet specific criteria in order to be a true asset to your complete network design. These elements include:
Easy setup and management
A simple user interface
Collecting Data from a TAP, not a SPAN/Mirrored Port
Bypass TAPs are powerful access solutions used with active, inline security applications such as next-gen firewalls and intrusion prevention systems. All Garland EdgeSafe™: Bypass Network TAPs come with network failsafe technology, which ensures that during failsafe, inline appliances still receive packets, by recognizing power outages and automatically closing the relay circuitry in less than 8 milliseconds.
Bypass TAPs also include a heartbeat system, which monitors the normal operation of your network or synchronizes other parts of a system.
Heartbeat packets are sent out of each monitoring port
If heartbeat packets aren’t received from either direction, Bypass mode kicks in switching the inline appliance to out-of-band
Heartbeat packets are never sent out onto the live network
With organizations becoming more dependent on virtual computing, IT professionals need a solution to eliminate blind spots from these virtual environments. Virtual or Cloud TAPs are a new software solution designed to address these challenges by providing for complete visibility for east-west and inter-VM traffic.
By combining physical TAPs with a Cloud TAP like Garland Prisms, IT teams can guarantee that they are seeing every bit, byte and packet across their network.
Knowing which network TAP is best for your organization depends on your unique needs. Be strategic about designing your network and proactive about identifying changes in the future. With the right TAP and a foolproof network, your business is better positioned for success.
Looking to add a visibility 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, CEO and Co-founder of Garland Technology, has been in the network performance industry for over 20 years. Bihary has established collaborative partnerships with technology companies to complement product performance and security through the integration of network TAP visibility.