You can now manage your network routing with self-serve options available on the My Domain Setup page and maintain connection reliability without contacting Salesforce Customer Support each time.
Where: This change applies to Lightning Experience and Salesforce Classic in Essentials, Professional, Enterprise, Performance, Unlimited, and Developer editions.
How: The self-serve option is now available for most routing options. Contact Salesforce Customer Support to turn on Global Selective Routing for the first time. After your request is approved, you can switch between routing options on the My Domain Setup page. For information on routing options, see Route My Domain Through Salesforce Edge Network.