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Thank you very much for extensive answer. &nbsp;Let me read through again and digest this. &nbsp;<br />
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Yes, all the servers are windows virtual machines on ESX and will be in the same physical location. &nbsp;They all will be an equal performance. &nbsp;<br />
Yes, we need a session persistence. <br />
Thanks!
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Thank you very much for extensive answer.  Let me read through again and digest this.  

Yes, all the servers are windows virtual machines on ESX and will be in the same physical location.  They all will be an equal performance.  
Yes, we need a session persistence.
Thanks!

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What would happen if one of the servers tomcats slows down. &nbsp;Then I'd want the traffic to go to another web server.
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What would happen if one of the servers tomcats slows down.  Then I'd want the traffic to go to another web server.

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I am putting tomcat web servers behind the F5 LB. &nbsp;How does it balancing the load. &nbsp;Per connection or per load on the server? &nbsp;How much the load is too much per server? &nbsp;How does it know when too much so to point to the next server?<br />
Can anyone explain please?
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I am putting tomcat web servers behind the F5 LB.  How does it balancing the load.  Per connection or per load on the server?  How much the load is too much per server?  How does it know when too much so to point to the next server?
Can anyone explain please?

F5 Load balancing

Networking is the process of connecting computing devices, peripherals and terminals together through a system that uses wiring, cabling or radio waves that enable their users to communicate, share information and interact over distances. Often associated are issues regarding operating systems, hardware and equipment, cloud and virtual networking, protocols, architecture, storage and management.

Networking

Networking hardware includes the physical devices facilitating the use of a computer network. Typically, networking hardware includes gateways, routers, network bridges, modems, wireless access points, networking cables, line drivers, switches, hubs, and repeaters. But it also includes hybrid network devices such as multilayer switches, protocol converters, bridge routers, proxy servers, firewalls, network address translators, multiplexers, network interface controllers, wireless network interface controllers, ISDN terminal adapters and other related hardware.

Networking Hardware-Other

The Windows operating systems have distinct methodologies for designing and implementing networks, and have specific systems to accomplish various networking processes, such as Exchange for email, Sharepoint for shared files and programs, and IIS for delivery of web pages. Microsoft also produces server technologies for networked database use, security and virtualization.