The Equalizer™ E350/450 network appliance is the state-of-the-art in load balancing technology for Internet servers. With Equalizer, you can minimize response time while maximizing site availability.
MacMall Part #: 158579
Manufacturer Part #: E3501U
Equalizer determines which server in your network is the least loaded and routes requests to that machine. Because Equalizer intelligently assigns requests, all of your servers can operate at their full capacity--you won't have some servers sitting idle while others are overloaded. Designed to be highly-scalable, Equalizer maintains the same high-speed performance as you add servers to the system. With Equalizer, you can easily build highly-available, fault-tolerant sites. When Equalizer detects that a server has failed, traffic is automatically redirected to the remaining servers. For full redundancy, a second Equalizer can be configured as a backup. Equalizer is Ideal For: Web and FTP sites that experience heavy traffic or whose traffic volume fluctuates Mission-critical services for which high availability and fault tolerance are essential. Sites running processor intensive tasks such as database transactions and CGI scripts. ISPs hosting client web and FTP sites Anyone providing a TCP/IP-based service who wants to get the maximum performance from their servers. Specifications: Network Interfaces: (2) 10/100BaseT - auto detect. System I/O: DB9 RS-232 Dimensions Rackmount (EIA 1U) 44.45 x 431.8 x 457.2 mm /1.75" x 17"W x 18"D Power: 90-260 VAC auto-switch 47-63 Hz Load Balancing Options: Equalizer's adaptive load balancing algorithms user-configurable to integrate any or all of the following measurements: Server response time - Observed in-band as each connection is processed Active sessions at server - measured from connection setup to tear-down Direct server measurements - using optional/extensible server agents Server weighting - Administrator assigned priority values Network observed latency - When using optional Envoy software
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