dntrg-1----Page:13
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
|
Things that we’re pretty sure about in the LTP protocol spec LTP spec: Most of the concepts inherited from CFDP: Transaction/session model versus stream model) Use of non-volatile storage for both state and data Absence of negotiation Laconic acknowledgement Adjacency (point-to-point as opposed to end-to-end Lives under a network and above a [functional] link) Deferred transmission. Protocol features that are intended to fix problems in CFDP: Reducing the number of different protocol data unit types Replacing the periodic retransmission of NAKs with reciprocal acknowledgements Protocol extension mechanism |