Therefore, a technique called buffer underrun protection was implemented by various individual CD/DVD writer vendors, under various trademarks, such as Plextor BurnProof, Yamaha SafeBurn, JustLink or Seamless Link. With this technique, the laser is indeed able to stop writing for any amount of time and resume when the buffer is full again. The gap between successive writes is extremely small.
http://en.wikipedia.org/wiki/Buffer_underrun
http://en.wikipedia.org/wiki/Buffer_underrun

)
