LocalDirector's Session Distribution Algorithm library provides a flexible and adaptable method of directing TCP/IP traffic. It allows users to intelligently distribute load and maximize the number of TCP/IP connections a server farm can manage. It also allows you to direct TCP/IP traffic to different servers based on service, speed, or quantity of connections. A maximum connection limit can be set to ensure that servers do not fail from traffic overload.

Ideal for mission-critical applications, LocalDirector provides a highly redundant, fault-tolerant server system. Servers can be automatically and transparently placed in or out of service, and LocalDirector itself is equipped with a hot standby failover mechanism eliminating all points of failure for the server system. Virtual and real servers can back up one another.

LocalDirector is a high-performance Internet appliance with over 60-Mbps throughput. It supports up to 8000 virtual IP addresses and domain names. It can also direct traffic to 8000 servers with any collection of heterogeneous hardware platforms and operating systems, and it efficiently handles over 700,000 simultaneous TCP/IP connections. LocalDirector is effortless to set up with no network address changes, which frees up valuable system administration time.

• Supports a total of 8000 virtual and real IP addresses

• Secure real-time embedded operating system

• Supports 10BaseT and 100BaseTX Ethernet ports selectable for either 10 Mbps or 100 Mbps and FDDI (late 1997). No upgrade of hosts or routers

• Hot standby failover option for high availability

• Normal configuration in approximately ten commands

• Server Management

  • No downtime required for installation of new Internet and intranet servers

  • Servers can be added and removed transparently--users perceive the service as a single entity

  • No user impact--nondisruptive to existing LANs

  • Hot standby server capability

• Users require only a single IP address for the server complex, even though several independent servers--including a collection of heterogeneous hardware and operating systems--provide the services

  • Multiple domains served seamlessly from a single server

  • Sophisticated, yet robust implementation allows many servers to appear as a single virtual server

• The session distribution algorithm can be applied to any TCP service

  • TN3270 services

  • Oracle Database Applications

  • Web Caches

  • Directory Services

• Transparent support for all common TPC/IP Internet services, such as WWW, FTP, Telnet, gopher, and rlogin

• Support for Secure Socket Layer (SSL) protocols