If A.jsf have a commandLink that will navigation to B.jsf, then I would think when I am at page B.jsf, I see http:domain/host/project/B.jsf as the URL. However, I see http:domain/host/project/A.jsf on ...
A.jsf
commandLink
B.jsf
http:domain/host/project/B.jsf
http:domain/host/project/A.jsf