Hello, Looking for some advice/experience on using CDN proxy to
workaround the ITP issue (since using CNAME first party cookie is also
capped at 7 days now). Currently we are not using CNAME, and a CDN proxy
is configured to map metrics.example.com to example.sc.omtrdc.net, AA
server calls sent through metrics.example.com works fine but the ITP
impact is still exists as the expiry of the cookies are 7 days. After
some research, it seems the first party cookie s_ecid should be in the
picture so t...