iSeries Architecture: Fundamental Strength of the iSeries30 iSeries HandbookDatabaseDB2 UDB for iSeries offers state of the art database functions and open systems, standardsbased technology, while providing the maturity, stability, and ease of use that has become thetrademark of the iSeries server. DB2 Universal Database (UDB) for iSeries is fully integratedinto the OS/400 operating system software. It is not a separate product.DB2/400 has been enhanced over the years to include many new and emerging standards.The integrated database is a full function database with features competitive to other widelyused databases. The fact that the DB is integrated allows the operating system to controlsome of its management functions and makes it easier to maintain than competitive DB fromother vendors reducing the need for a dedicated Database Administrator. Its securityfunctions are integrated into the operating system. These functions allow a better securitymodel than other DB where additional tools may need to be purchased to provide thesefunctions.The SQL Client Integration API allows providers of gateways and client/server solutions tointegrate their products with DB2 UDB for iSeries. Many iSeries customers have the need forapplications that not only access DB2 UDB for iSeries data, but also access data on otherdatabases platforms such as Oracle or Sybase.See “DB2 Universal” on page 455.2109 SwitchSmarter sharing ofdevice(s) with multiplehostsSmarter and moreefficient than a hubRequires QuickLoopRPQFibreFibreTape3580 Exx3584hub/switchhubiSeriesIBM ESS(Shark)TapeiSerieshubup to 10kmup to 500m3534 Managed HubLimited switch, smarter than a regularhubSharing of single device (per zone)with multiple hostsFibre Channel cablesPoint-to-point without othercomponentsFibreFibreTape3580 Exx3584
