Flow Descriptor ◆ Reservation Request Flow spec Desired Qos Used to set parameters in node's packet scheduler Service class, Rspec(reserve), Tspec(traffic) a Filter spec Set of packets for this reservation Source address, source prot8 Flow Descriptor Reservation Request ◼ Flow spec  Desired QoS  Used to set parameters in node’s packet scheduler  Service class, Rspec (reserve), Tspec (traffic) ◼ Filter spec  Set of packets for this reservation  Source address, source prot