To improve performance, and also reduce load on the VPN infrastructure, many customers have achieved significant results by following the Microsoft guidance to implement split tunneling on the Optimize-marked Office 365 endpoints. This traffic is high-volume and latency-sensitive traffic, and thus sending it directly to the service solves the problems outlined above and is also the designed best practice for these endpoints. Microsoft 365 Live Events (Teams-produced live events and those produced with an external encoder via Teams, Stream, and Yammer) and on-demand Stream traffic are not currently listed within the Optimize category with the endpoints listed in the ‘Default’ category in the Office 365 URL/IP service. The endpoints are located in this category as they are hosted on CDNs that may also be used by other services, and as such customers generally prefer to proxy this type of traffic and apply any security elements normally done on diverse endpoints su...
