
128 ◾ IP Communications and Services for NGN
e complete path state for H2 is therefore as shown in Table 6.5 with the
accompanying path diagram in Figure 6.15.
Receiver-to-Network Messages
e second type of message is sent by the receiver to the network. e objective in
the receiver reservation messages is to specify its requirements to be able to handle
the service and the messages contain:
1. Desired bandwidth
2. Packet filter
3. Filter type
ree types of filters can be specified:
1. No filter: implies that any packet destined for the receiver can use the reserva-
tion without modifications.
2. Fixed filter: packets from a specified set of senders ...