Decisively or Indecisively Legacy?Some product lines come with a well-defined roadmap that permits customers to anticipate and plan for upcoming end of service life (EOSL) announcements. This is generally not the case, however, and an edict from a manufacturer that customers must either upgrade or suffer the consequences is usually both unwelcome and unexpected.Many businesses will simply move to the suggested upgrade product to avoid the hassle. Others will refuse to upgrade for the same reason, leaving them with legacy product that's in the...