New SMB 2.0 allows higher speeds when transfering files between Windows server 2008 machines and Windows Vista machines.
On gigabit network we can see a drastical improvement in speed and network performance. SMB2.0 allows ACK packets to be sent only after 16 megabyte of data…

 SMB 2.0 as seen by Wireshark*

*Wireshark – excelent network analyzer