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Insights from the load balancer experts

High Availability

What's the point of load balancing?

Load balancing? Say what?! Got 2 mins to get your head around the concept? Your time starts....now!..
Security

Spring Framework vulnerabilities

It is understandable that SysAdmins, DevOps, and most in the IT and Security Departments involved want to ensure all load balancers are fully patched and protected, given that our product plays an important role in their topology...
Comparisons

How many network ports do you need on a hardware load balancer?

The only real reason for separate network ports is physical redundancy. Because the other primary reason (security segregation) can be easily implemented using VLANs...
Performance

Application Acceleration — and why you DON'T need it

As you know, we get excited about solutions, not semantics, so I'm going to go against the grain here and say 'Application Acceleration' is one of those buzzwords that's about as useful as all that designer water that's out there these days...
Performance

When should you get a hardware replacement? After 3, 5, or 17 years...?

The topic of hardware replacement, trade-in, and upgrade options is rife with opinions, bad habits, and rules of thumb. It gets even more complicated when you consider how your choices are affected by your vendor's randomly changing end-of-life policies...
Direct Server Return

Achieving unrivaled performance with media and video streaming on demand

For the uninitiated, layer 4 DR mode is a high performance load balancing method available on our appliances. It works by having all response traffic flow from the servers straight back to the clients...
Security

PwnKit Vulnerability (CVE-2021-4034)

A local privilege escalation vulnerability was found on polkit's pkexec utility. It is a critical vulnerability because it gives full root privileges to any local user or attacker...