Cẩm nang dữ liệu không dây P19

USER APPLICATIONS VERTICAL VERSUS HORIZONTAL The trade press is rife with conventional wisdom reports on vertical versus horizontal markets. ARDIS is “known” to focus only on the verticals because of its “heritage and infrastructure limitations”1 or its “genetic” differences.2 BSWD is thought to focus only on horizontals. In reality, during 1996 roughly 90% of BSWD’s revenues came from vertical applications.3 CDPD carriers work for the horizontal market with credit card processing4 or Smartphone plans, but sell in the verticals, especially public safety. It is fair to say their focus is highly variable, with some exceptions: “GTE is concentrating on vertical markets.”...