Wide area networking refers to the interconnection of geographically dispersed offices separated by public rights-of-way. The Internet is actually a huge wide area network (WAN), and if your branches are all online, they’re technically already part of the same WAN. However, the Internet lacks the reliability, security and bandwidth that companies need for certain sensitive data and critical applications. In a library context, circulation records, cataloging records and financial records shouldn’t be sent over the public Internet unless they’re encrypted.
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