SI server (Fig. 20) functionality includes a protocol message reception and processing; storage, a search and comparison of public addresses; a management of communication and information access sessions.
SI server interfaces with local and distributed database servers managing data about customer public addresses and provisioning conditions of base and value-added services. At the same time, SI server interacts with network control equipment, accepts and gives back technological addresses as well as yields communication session parameters.
SI server provides end-users with functionality very similar to functionality of search engines well known to most Internet users. Thanks to this similarity, the user can quickly acquire appropriate and usual habits of using SI software components to search public addresses and information resources.
Fig . 20. SI Server.
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