Problems of the switching parallel system designing provided spatial switching of packets from random time are discussed. Results of modeling of switching system as systems of mass service are resulted.Index Terms: parallel switching, information systems, system of mass service, packet switching, communication network.The increase of rate of switching system elements, as well as other devices occurs basically due to advantages in technological base. At the same time another decision is possible. It is perfection of algorithms and methods of switching and creation a new switching decisions, not dependent on technological base.Such decision for switching systems may become a parallel process method which would allow to increase transfer rate and to decrease losses at processing packets.The parallel switching system [1] provides a parallel spatial switching of the information packets at the random moments of time and consists of the following blocks (see Fig. 1): block of synchronization of the input packet with the moment of identification (1), elements of switching (2) and blocks of tag generation for the target lines (3).Operation of system is carried out with the following algorithm: a requirement of connection establishment is transferred on the system input. Each requirement represents the information packet having headline (tag) which identifies a target line of the switching system which it is necessary to send the given packet. As requirements of the establishment connections (packets) arrived on the system inputs at the random time, that is asynchronously, and identification v is possible only at the certain moments of time, the requirement (packet) should be delayed up to the moment when the tag comparison and to start switching is possible. Such delay is carried out by blocks of packet synchronization with the moment of identification and may be various for the packets which have arrived at die different time. Some requirements (packets), expecting the beginning of identification represent a pack.

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