The ns Manual (formerly ns Notes and Documentation)1 - NM Lab at ...

Type ofTag Object Other values CommentsQDETECTQ INTERVALS C1 〈C1_〉 C2 〈C2_〉 dist 〈distance〉 i 〈backoff_〉Q NTIMER at 〈time〉 Time the request timer will fireQSENDNACKQ NACK IGNORE-BACKOFF 〈time〉 Receive NACK, ignore other NACKsuntil 〈time〉Q REPAIR IGNORES 〈time〉 Receive REPAIR, ignore NACKs until〈time〉Q DATA Agent receives data instead of repair.Possibly indicates out of order arrival ofdata.P NACK from 〈requester〉 Receive NACK, initiate repairP INTERVALS D1 〈D1_〉 D2 〈D2_〉 dist 〈distance〉P RTIMER at 〈time〉 Time the repair timer will firePSENDREPP REPAIR IGNORES 〈time〉 Receive REPAIR, ignore NACKs until〈time〉P DATA Agent receives data instead of repair. Indicatespremature request by an agent.S SESSION logs session message sentThe following illustrates a typical trace for a single loss and recovery.3.5543 n 1 m r 0 Q DETECT3.5543 n 1 m r 1 Q INTERVALS C1 2.0 C2 0.0 d 0.0105 i 13.5543 n 1 m r 1 Q NTIMER at 3.575273.5685 n 2 m r 0 Q DETECT3.5685 n 2 m r 1 Q INTERVALS C1 2.0 C2 0.0 d 0.021 i 13.5685 n 2 m r 1 Q NTIMER at 3.610533.5753 n 1 m r 1 Q SENDNACK3.5753 n 1 m r 2 Q INTERVALS C1 2.0 C2 0.0 d 0.0105 i 23.5753 n 1 m r 2 Q NTIMER at 3.617273.5753 n 1 m r 2 Q NACK IGNORE-BACKOFF 3.596273.5828 n 3 m r 0 Q DETECT3.5828 n 3 m r 1 Q INTERVALS C1 2.0 C2 0.0 d 0.032 i 13.5828 n 3 m r 1 Q NTIMER at 3.64683.5854 n 0 m r 0 P NACK from 2573.5854 n 0 m r 1 P INTERVALS D1 1.0 D2 0.0 d 0.01053.5854 n 0 m r 1 P RTIMER at 3.595863.5886 n 2 m r 2 Q INTERVALS C1 2.0 C2 0.0 d 0.021 i 23.5886 n 2 m r 2 Q NTIMER at 3.672623.5886 n 2 m r 2 Q NACK IGNORE-BACKOFF 3.630623.5959 n 0 m r 1 P SENDREP3.5959 n 0 m r 1 P REPAIR IGNORES 3.627363.5971 n 4 m r 0 Q DETECT3.5971 n 4 m r 1 Q INTERVALS C1 2.0 C2 0.0 d 0.0425 i 13.5971 n 4 m r 1 Q NTIMER at 3.682073.5971 n 5 m r 0 Q DETECT3.5971 n 5 m r 1 Q INTERVALS C1 2.0 C2 0.0 d 0.042 i 13.5971 n 5 m r 1 Q NTIMER at 3.681073.6029 n 3 m r 2 Q INTERVALS C1 2.0 C2 0.0 d 0.032 i 2313