Thomas Kunz
Systems and Computer Engineering
390
Link Level Retransmissions
In-order delivery
nNot all connections benefit from retransmissions or ordered delivery
–audio
nNeed to be able to specify requirements on a per-packet basis
–Should the packet be retransmitted? How many times?
–Enforce in-order delivery?
nNeed a standard mechanism to specify the requirements
–open issue (IETF PILC working group)