Exploring the Linux-based Zeus load balancer


Article from Issue 80/2007

On today’s networks, distributing requests in a cluster of web servers requires more than just assigning the requests in a round robin. The Zeus ZXTM 7400 appliance demonstrates the technical finesse necessary to keep busy websites running.

Even the most powerful web server eventually reaches its limit. Getting help isn’t a problem; the load redistribution can be complicated. Each server cluster needs to distribute requests intelligently to use resources in a meaningful way, and the client should not notice what is going on behind the scenes. One way of achieving this is the ZXTM 7400 appliance by Zeus Technology [1], which I recently tested. Techniques Load balancers distinguish between physical servers and virtual IPs (VIPs). In this case, the physical servers are web servers. Each web server has a unique IP (real IP, or RIP). The VIP is only configured on the load balancer.

Buy this article as PDF

Express-Checkout as PDF
Price $2.95
(incl. VAT)

Buy Linux Magazine

Get it on Google Play

US / Canada

Get it on Google Play

UK / Australia

Related content

  • Apache Load Balancing

    Today's web performance and availability requirements make load balancing indispensable. In this article, we show you how to set up an effective load balancing system using features built into the Apache web server.

  • Ulteo OVD

    The Ulteo Open Virtual Desktop terminal server platform lets administrators serve up Windows and Linux applications over the network.

  • Charly's Column

    Checking email for viruses is typically the domain of the SMTP gateway or a server directly downstream of it. In this month’s column, Charly decides to move this protection to the other side – that is, to the client connections
    with their SMTP and POP servers.

  • Perlbal

    Let the nimble Perlbal web server keep your traffic in balance.

  • One for All: Terminal Server X2go 3.0

    The new version of the X2go terminal server, code-named Uthörn, is particularly Debian 5.0-compliant. Print requests result in files compressed to about 10% before being sent to the client, and the terminal server now supports a third sound architecture through PulseAudio.

comments powered by Disqus

Direct Download

Read full article as PDF:

Zeus_ZXTM_7400_Load_Balancer.pdf (340.66 kB)