Distributed consensus and network reliability

All of the distributed consensus algorithms I have been reviewing recently (Paxos, Raft, Zab, Chang Maxemchuck, Viewstamped, … ) are based on a number of assumptions about the network environment, including the assumption that messages may be lost but are not silently corrupted.  Is that a good assumption? Perhaps:

Real data 1995

Checksums disagree 2000