NET-TEL Computer Systems Ltd - Messaging systems: X.400, X.500, Route400, Route500, e-mail, email, clients, servers, directory, mapi, gateways, X400, X500


	Route500 Directory Server 1993 Standard X.500 Directory featuring Replication, Access Control, and Authentication High performance disk based database Full DSP, DISP, DOP and DAP support "Approximate Match" searching based on the Soundex algorithm Flexible Schema support Attribute Inheritance Caching Logging/Statistical information gathering Full range of communications options Can be supplied stand-alone or integrated with a Route400 Message Server The Route500 Directory Server (Directory System Agent/DSA), manages data held in an X.500 Directory, which may itself be connected to the wider global directory community. The data stored in the directory can be completely general, but will usually include information about an organisation's members such as postal and electronic mail addresses, telephone numbers etc. It can also include graphical, sound and multimedia information. The X.500 directory supports general purpose querying of information by users. It is also intended for use within the messaging infrastructure to provide mail addresses, support for messaging security and configuration information. In essence the directory is a database that can be large and highly distributed. It is hierarchically structured with its entries held in a Directory Information Tree. The Route500 Directory Server conforms to the international X.500 1993 standards. It can be supplied stand-alone or integrated with a Route400 Message Server. Route500 DSAs can be accessed by Route500 (Windows, Macintosh) or other vendor's DUAs using the Directory Access Protocol (DAP), and by Route500 or other vendor DSAs using the Directory System Protocol (DSP). Overview The Directory Server stores, retrieves, and queries information from an integrated directory database. This hierarchic structure is known as the Directory Information Tree (DIT). Each Directory Server controls its own directory database which is locally administered. Route500 implements the storage of the DIT using an efficient disk based database: Designed for large numbers of entries, of the order of several million Hash indexed disk database to locate all stored objects Fast start up which does not degrade when more entries added Reduced memory requirements (compared with DSAs which use a purely memory based model) Security Management The X.500 security model provides for Authentication (the determination of the identity of a communications partner) and Authorisation/Access Control (the determination of what data and operations are permitted to an authenticated user) For DAP, the Directory supports no authentication, simple unprotected and strong authentication. For DSP the Directory supports no authentication and simple unprotected authentication For DISP the Directory supports simple unprotected authentication. The object class selected for an entry defines the attributes that an entry both must and may contain Operation specific access control (e.g. searching and listing) Flexible access to the directory using object inheritance Replication Ability to store copies of the same directory information in more than one DSA, together with protocols to keep the copies up to date. The DSA implements both the supplier and consumer sides of the Directory Information Shadowing Protocol (DISP) Support for Primary and Secondary shadowing, incremental and full updates, supplier initiated updates and on-change updates Administrative Facilities Configuration of the DSA is handled almost entirely by information stored within the Directory An Administrative Directory User Agent is used to manipulate this data Remote Management is available using the Administrative User Agent. Knowledge Management (enabling a DSA to locate information held outside its naming context) is mapped onto the DIT Import/export utility for importing information to and exporting from any X.500 directory using simple delimited text. Used for information loading and major restructuring of the DIT For monitoring purposes the Directory Server maintains a list of active associations and other statistics that can be accessed via DAP using special commands built into the Administrative DUA Standards, Profiles and Conformance Inter DSA communication uses the X.500 Directory System Protocol (DSP), Directory Information Shadowing Protocol (DISP) and Directory Operational Bindings Management Protocol (DOP) DUA to DSA communication uses the X.500 Directory Access Protocol (DAP) Route500 products successfully completed interoperability trials with other leading implementations at EuroSInet Interoperability workshops Conforms to Directory Schema standards: ISO/IEC 9594-6 (X.520, 1993) and ISO/IEC 9594-7 (X.521, 1993) as well as those defined in ISO/IEC 10021-2 (1992 & 1988)/X.402/RFC 1274 (The COSINE & Internet X.500 Schema) Compliant with ITU X.500/ISO/IEC 9594 1993 standards Compliant with NIST, EWOS, and UK GOSIP Connectivity Options DSP, DISP, DOP and DAP access are supported over X.25, TCP/IP and dial-up (X.445/APS) connections Where applicable, standard UNIX transport interfaces i.e. UNIX SVR4 Transport Layer Interface (TLI) and the X/Open Transport Interface (XTI) are supported System Requirements Route500 Directory Server Software (supplied stand-alone or integrated with a Route400 Message Server) SCO UNIX System 3.2 (version 3.2.1 or higher) and TCP/IP runtime v1.1.3f SPARC Solaris (version 2.3 or higher) DEC OSF/1 v2.0 Suggested memory requirement of the order of 32Mb Other platforms will become available, please enquire for current status

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