ZXTM LB - ZXTM Load Balancer
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With integrated SSL, WAN offload, and content compression, ZXTM LB dramatically accelerates many networked applications.
ZXTM Load Balancer accelerates applications in a number of ways:
- SSL offload: by processing SSL traffic, ZXTM Load Balancer frees up application servers to spend more time doing their own specialist tasks
- WAN offload: by accelerating and condensing the number of incoming connections, ZXTM Load Balancer enables your applications to handle more requests with fewer connections
- Content compression: by compressing content before it is sent to clients, ZXTM Load Balancer reduces the burden on your networking infrastructure
Using ZXTM Load Balancer to manage your applications can have a very positive effect on their performance; using the WAN offload capabilities alone, Apache can be accelerated by as much as 100 times, and application servers such as IBM WebSphere and BEA WebLogic by as much as 10 times.
ZXTM Load Balancer will get the most out of the hardware it is deployed on, taking advantage of 32-bit and 64-bit optimizations where available. It was independently benchmarked by Broadband-Testing to achieve over 4,500 SSL transactions per second on a standard dual AMD Opteron server.
ZXTM Load Balancer is a pure software application. It is built on top of the same high-performance core architecture as the award-winning Zeus Web Server and Zeus Extensible Traffic Manager.
As a result of its application awareness, ZXTM Load Balancer is best deployed close to the servers it is managing.
f you need to make sophisticated internet traffic management decisions, and need to closely monitor the health of the services you are hosting, ZXTM Load Balancer is optimally suited for this environment.
ZXTM Load Balancer offers far more than a traditional load balancing solution. Its traffic management capabilities bring much more flexibility and fine-grained application layer control than is possible with most pure- hardware load balancing solutions. Because ZXTM Load Balancer supports a range of platforms and operating systems and runs on commodity hardware, its performance can easily and cost-effectively be grown as required.
The basic architecture of a load-balanced server farm consists of one or more front-end ZXTM Load Balancer machines, a number of back-end server machines. The ZXTM Load Balancers can be administered from either unit.
The front-end machines should be able to route traffic from the Internet to the back-end machines, and back from the back-ends to the Internet.
ZXTM Load Balancer is available in single and resilient cluster configurations. Clustered configurations offer the benefits of increased capacity and fault-tolerance to front-end failures.
ZXTM LB Benefits at a glance:
- Improves Performance - With integrated SSL, WAN offload, and content compression, ZXTM LB dramatically accelerates many networked applications.
- Creates Resilience - ZXTM LB can be deployed in active / active high-availability pairs for load balancer resilience, and creates fault-tolerance for your back-end servers.
- Adds Intelligence - Content inspection rules allow you to send requests for certain web pages to specific groups of servers.
- Improves Reliability - By continually monitoring the health of your back-end servers, failed servers are automatically detected and removed from the cluster until they recover.
- Ease of Use - ZXTM LB takes minutes to install and configure, and includes a secure, web-based graphical user interface which provides you with visual alerting, health monitoring and cluster diagnostics.
- Advanced Load Balancing Algorithms - When deciding which is the most suitable server to send a request to, ZXTM LB makes use of several advanced algorithms, bringing extreme efficiency to content delivery.
- One-Click Session Persistence - If sticky sessions are required for your web application, just turn on session affinity with one click.
- Connection Draining - Allows you to remove back-end servers from your cluster safely without disrupting any users' sessions.
