Ans:SAP recommends that you use a single System Landscape Directory (SLD). The cost of running the SLD infrastructure increases with the number of SLD instances. In particular, adding a second SLD involves additional costs for synchronizing data between these two instances. From a cost perspective, it is preferable to configure a single SLD.
The following factors can make a multiple-SLD architecture necessary:
Legal constraints
Company Rules
Network Constraints (e.g. firewalls, availability of resources).
Wednesday, March 18, 2009
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