In a traditional network, moving a server from one subnet to another requires changing its IP address, updating DNS, and potentially restarting services. With FBSUBNET+L, you simply update the Logical Layer assignment. The IP address remains the same; the logical boundary moves around it. This is revolutionary for data centers running critical 24/7 applications.
Your traffic might appear split between m.facebook.com , l.facebook.com , and facebook.com , making it look like your social reach is smaller than it actually is. fbsubnet+l