Where more traditional analog security cameras wouldn't do the job, people needed to start looking to high definition (HD) security cameras. IP cameras have been almost unopposed in the HD market since it began. BNC HD cameras are becoming much more commonly known about and sought after these days. With this new and now proven technology growing in popularity, it's caught people who only used to consider IP cameras potentially looking in another direction. Rather than a versus, think of this more as a comparison.