Fault-Tolerant WAN Concepts
Because of the mission-critical character of SAP services for the business, high-availability considerations and failure-tolerant architectures for a network to provide maximum uptime is even more crucial when wide area network solutions for SAP are implemented. For the users in a remote office, plant, subsidiary, or affiliate, the wide area network connection is truly a lifeline. When this line is cut no work can be done at all. When SAP services are outsourced to an external data center, this is true for the whole enterprise. However, this lifeline is seldom under your total control. In most cases, long distance connections, crossing the borders of the company's property, have to be leased from telecommunication ...
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