Guarantee Communication (2) HITACHI Inspire the Next Next generation Internet Guarantee Service QoS control Real-time Traffic Video Prio rity GR2000 Flow Control Other Traffic All Rights Reserved, Copyright 2002-2003, Hitachi Ltd 13All Rights Reserved, Copyright 2002-2003, Hitachi Ltd. 13 QoS Configuration Video GR2000 Other Traffic Priority Flow Control Real-time Traffic QoS control Guarantee Communication (2) Next Generation Internet, Guarantee Service