Press Release



Quadritek Delivers the Industry's First High
Availability IP Management Solution for
Customers Seeking to Build
Fault Tolerance into Their Networks

Allows Companies to Eliminate Single Points of Failure in Their IP Network Services

Malvern, PA -- March 10, 1997 -- Quadritek Systems, Inc. has announced the delivery of the industry's first high availability IP management solution. Targeted at customers with TCP/IP networks and Intranets that require uninterrupted operation, Quadritek's high availability services are comprised of new architectural features added to QIP(tm) (Quadritek's flagship product), new extensions added to DHCP (Dynamic Host Configuration Protocol), and the company's new Dynamic Domain Name Service (DDNS). [For more information, see accompanying release.] The new features, which are available in the current version of QIP for Windows NT, provide companies with the ability to build redundancy and fail-safe uninterruptability into their network infrastructures.

"Companies competing in today's fast-paced, electronic market need networks that provide uninterrupted service to their users. We have a mandate to provide our customers with IP management solutions that offer the greatest degree of fault-tolerance available," said Keith Larson, executive vice president. "
Quadritek defines high availability in three ways:

  1. Fault Tolerant Infrastructure Design-- If a portion of the network fails, other components should continue to function;
  2. Optimized Access for Users -- The network infrastructure should provide the means to allow quick and easy access to users; and
  3. Low-Overhead IP Management -- The network should work efficiently to minimize the overhead required for administration and maximize the resources available for users.

Quadritek's high availability IP management solution includes all these features. With today's announcement, the company rolls out the following:

  1. New Fault Tolerant QIP Architecture:
    - Support for Autonomous Components -- While they operate interdependently, all the components of QIP (DHCP, DNS, the QIP Enterprise Server, BOOTP, etc.) are self-contained and can function independently. Should one service go down, other services will continue to function.

    - Infrastructure Redundancy -- QIP is the only IP management system on the market that allows users to build redundancy into their IP infrastructure. QIP is architected in a way that provides users with the flexibility to set up network services (DHCP, DNS, DDNS, etc.) on separate hosts. A single host can represent multiple primary and secondary servers simultaneously. This allows network administrators to set up redundant services to act as back-ups.
  2. QIP Features that Optimize Access for Users
    Automatic Updates for Primary and Secondary DNS Servers -- QIP automatically updates both primary and secondary DDNS/DNS servers, guaranteeing that up-to-date address information is always available and assuring optimized access for users across the network. The automatic updates to DNS servers occur in multiple ways:
    1. Dynamic Updates of Static Objects-- When an administrator issues a move, add, or change for a static IP address, the QIP Enterprise Server sends an immediate update notifying all primary and secondary DNS servers.
    2. Automatic Incremental Updates -- QIP's extended DHCP sends incremental (real-time) updates of new address allocations to all primary and secondary DNS servers.
    3. Automatic Periodic Updates -- The QIP Enterprise Server also sends periodic (scheduled or on demand) updates to primary servers which, in turn, automatically update secondary servers, including secondary servers in domains and networks not managed by QIP.


    - Real-Time Updates of Static Addresses -- When new objects (servers, routers, etc.) are added to the network, QIP updates DNS servers dynamically. This allows users on the network to have immediate access to new services, rather than forcing them to wait for a scheduled update of a DNS server. In the case where a particular service is acting as a back-up and the main service fails, a network administrator would be able to provide access to the back-up service with little or no interruption to users.

    - Multi-Threaded Processing Capabilities -- Quadritek's DHCP service has been enhanced to allow it to handle multiple IP address requests simultaneously. Other implementations handle such requests sequentially, posing delays for network access or access denials due to time-outs.

    - Multi-Threaded Updating Capabilities -- As soon as an address is allocated to a user or device, QIP's DHCP server simultaneously sends out an update message to multiple servers on the network, including the QIP Enterprise Server and any DNS servers that have authority for that particular domain. These real time updates guarantee that multiple components on the network have new address information immediately. Should one service go down, other services will retain the current information.
  3. Low-Overhead IP Management
    - Automatic Server Synchronization -- When service is restored to a failed DHCP, DNS, or the QIP Enterprise server, it is automatically synchronized with other services on the network. Periodic and regular service synchronization can also be scheduled to occur automatically between the DHCP server and the QIP Enterprise server, and between the QIP database and the DNS servers. While this regular maintenance assures that the state of the network stays current, it does so with little overhead. Quadritek designed its synchronization capability to handle change management. QIP takes advantage of exception handling techniques to synchronize network services. This keeps network traffic to a minimum, and leaves more bandwidth for users.

    With QIP, users can build networks that have redundancy and fault tolerance. Other solutions on the market today have limitations that prevent this. Because these systems are not set up to support enterprise infrastructures, they suffer from designs that leave customers with single points of failure. This presents a real problem for organizations that depend on their network for their strategic business edge. With Quadritek's implementation of high availability IP management services, customers have a solution for guaranteed network accessibility.

About Quadritek Systems
Quadritek Systems, Inc., based in Malvern, PA, provides strategic software solutions for IP management in enterprise-wide, global Intranets. The company's product, QIP, enables centralized, dynamic network management across UNIX and Windows NT platforms. QIP also enables unattended network management, automates IP address/name updates, and simplifies the integration of new technologies into the network infrastructure. With QIP, network administrators can concentrate on strategic planning, modeling, building, deploying and management of large-scale, wide-area networked systems. Additional information on Quadritek Systems, Inc., may be obtained via the World Wide Web at http://www.quadritek.com, by e-mail at [email protected].

For more information about Quadritek Systems distribution in France or in Singapore please call or email our Offices in Viroflay or Singapore [email protected]

 

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