Load Balancer

KEMP Technologies load balancer appliances

Load balancers are designed to distribute workloads throughout multiple computers and hardware resources. Load balancing optimizes computing resource utilization while maximizing the performance of applications, by decreasing compute time.

Load balancers work by sitting in front of a server farm, or as little as two servers, and distribute traffic. As clients send requests to the load balancer, it selects a physical service (such as a server), based on availability of resources and protocol compatibility

Load balancing can be performed via clustering, via integrated hardware and software solutions, but KEMP Technologies features an appliance-based approach designed to save money. Although KEMP Technologies provides low-cost hardware load balancing appliances, it includes many features usually only included in higher-priced Alteon, F5, and Barracuda load balancers.

Most entry-level load balancers don’t feature Layer 7 content switching, but the KEMP Technologies LoadMaster models do, supporting L7 metrics such as: SSL session ID, URL, host header, passive cookie, active cookie, cookie hash, cookie hash source, source IP, and query hash. Content switching rules can be established postfix, prefix, and regular expressions.

KEMP Technologies LoadMaster	LM-1500	LM-2500	LM-3500
Price 1st year support included	$2,490	$5,990	Request a Quote
Network Ports	3 x 10/100	2 x 10/100/1000 and 2 x 10/100	8 x 10/100/1000
Max Interface Throughput	3 x 100Mbps	2 x 949.2Mbps	8 x 949.2Mbps
Max Balancer Throughput	100Mbps	350Mbps	2Gbps(comb.)
SSL Acceleration Offload (TPS)	Up to 100 TPS	1000 TPS	2000 TPS
Configuration	1U Rack-Mount

KEMP Technologies load balancers include support for multiple algorithms, including round robin & weighted round robin as well as least connections, weighted least connections, and response time. Active/hot standby technology is included for high availability, and ICMP health checking of server farms for services including:

• DNS
• FTP
• HTTP
• IMAP
• NNTP
• POP3
• SMTP
• TELNET

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