why we need write strobe in axi

why we need write strobe signal in axi where we generate in our verif env Thanks
AXI Protocol - Strobe Signal Value

how to calculate the value of strobe signal in axi?
Write Data Interleaving - AXI

Note: This was originally posted on 19th March 2009 at http://forums.arm.com Hello, Can anybody help me to understand the reasoning behind write data interleaving ordering restriction imposed by AXI spec...
AXI Read/Write ordering

Note: This was originally posted on 24th October 2007 at http://forums.arm.com Hello, Section 8.6 of the AXI spec says that reads and writes have no ordering restrictions between them. It then says...
AMBA AXI Write response

I am just going through the specs of AMBA AXI. I've few questions.It will be great if anybody clarify 1) Why there was no Write response for each beat in burst Write. But there is a seperate Read response...