2X ApplicationServer High Availability with Multiple Gateways and 2X Web Portal

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This solution is used for high availability environments with more than 300 concurrent users connected in SSL Mode. Each client gateway should optimally handle 300-500 concurrent user connections,* and can be scaled accordingly. All Secure Client Gateways must be configured to connect with the same Publishing Agent and Backup Publishing Agent (using the Advanced Client Gateway Settings above).

High Availability Diagram

Please click diagram to enlarge

*300 users through SSL tunnelled gateway mode, 500 standard, 2X Gateway connections, assuming the gateway machine is only acting as such (i.e., no other demands upon these machines).

Version 14 has extended the load balancing feature to also contemplate high availability environments. Read more here.

Sean Bianco is the marketing documentalist and technical writer at Parallels. With a bachelor’s degree in Information Technology and Networking and a three year background in software quality assurance testing and usability engineering, Sean is a subject matter expert in mobility and smartphone, app and device management. He is well-versed in developing technical articles and determining market trends. His excellent analytical and problem-solving skills, with emphasis on understanding relationships between technical problems, result in sound and effective business solutions.

  • Paul Smith

    Thank guys, this make a lot of sense with my 8 terminal server farm, keep up the good work :)

  • Takehiro Mizoguchi

    Thank you for your information.

    Please let us know the specifications of secure client gateway machine in case of 500 concurrent user connections.

  • http://www.2x.com David

    The specs are based on a “standard industry level server”. Usually considered to be vaguely Dual Xeon 2.4GHz 4GB* when guidelines were tested.

    Note.. the numbers are actually conservative..

    * Note: environment and settings together with the OS setup will change the performance so as always: test before assuming.. your mileage may vary.