Multiservice data distribution

Multi-service data distribution allows both centralized satellite delivery of large data volumes of the same type via satellite networks simultaneously to many subscribers and data transmission from servers in a point-to-point mode via terrestrial communication links using technologies that increase reliability and speed of data transfer.

Large organizations often need to provide their network of branches or divisions with a large amount of information (databases, software distributions, audio, video, etc.). Distributing such data by e-mail and/or receiving it from a corporate server is not always the best solution to this problem, especially in cases where such distribution is limited by existing resources, for example, bandwidth, e-mail capabilities, and strict delivery times.

One of the effective solutions to this problem is usage of the specialized software. This software includes the Courier multiservice data distribution system developed by Race Communications.

    The system usage allows to:

  • Significantly reduce the required network resources and time in the cases when you want to send the same large volumes of data to many subscribers simultaneously. Instead of sending data to each subscriber, the data are delivered to all recipients in a single transmission.
  • Make the most of the available terrestrial data links. Efficiency is achieved due to provision of the maximum available data transfer rate in networks with high delays and loss of data packets. Such networks include both distributed networks (WAN) of organizations and data transmission over the Internet.

    The multiservice data distribution system provides the simultaneous data delivery via several independent information links with the possibility of assigning to each channel different speeds as well as parameters of redundancy and correction. Reliability of delivery is provided by protocols of advanced error correction and recovery of lost data on the subscriber side due to redundancy provided by the transmission protocol.

      System Features

    • Highly reliable information delivery via satellite links.
    • Performing several transmission cycles (it is relevant when transmitting via a satellite communication link without feedback link).
    • Operation both in the mode with the feedback link and without it.
    • Managing a transmission plan based on data distribution parameters (excluding priorities).
    • Managing transmission priorities (determination of the transmission speed and sequence based on priorities, with priority delivery of content to critical points).
    • Assigning recipient groups for each multicast delivery. Flexible recipient management (only those receive who are allowed to).
    • Ability to switch between multicast delivery via satellite and unicast over a terrestrial link and vice versa.
    • Ability of parallel data delivery, including combination of multicast and unicast delivery over different communication links.
    • Ability to assemble (pack) small files for delivery. Data is packaged to improve reliability of small file delivery.
    • Control of receiving information by file checksums.
    • Ability to transmit scripts for execution on the receiving software side.
    • Ability to distribute with single control via different satellites.

      The maximum data transmission speed supported by multiservice data distribution for both all links in total and one link is at least 40 Mbps. In this case, the system can limit the total data transmission rate for all simultaneously used channels within the limits determined by the satellite resource allocated for the system needs.

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