Protocol Optimizations II (Lists)
•Improved Invalidation
L
S1
S2
2:A
1:I
3:I
4:A
S3
5:I
6:A
ACK includes next sharer on list
L
S1
S2
2b:A
1:I
2a:I
3b:A
S3
3a:I
4:A
ACK and next invalidate in parallel
ACK comes from the last sharer
L
S1
S2
1:I
2:I
S3
3:I
4:A
