How many core switches are needed

According to the IBDN standard, we generally recommend using 12 cores for the communication room in each building, and 24 cores for the building room. Of course, this is a general situation, and specific words may consider according to the following criteria. Number of wiring points and switches. Does every network need a core switch? Can a router be used instead of a core switch? How do I determine the bandwidth requirements for my core switch? What security features should I look for in a core switch? How often should I update the firmware on my core switch? What are the key performance. In the realm of system networking, three key types of switches are frequently mentioned: access switches, aggregation switches, and core switches. The part of the network that directly connects to user devices is referred to as the access layer. 3 Tbps of switching capacity and 9404R ( in SVL ) which has switching capacity of 9 Tbps.