rvice IP defined, such as <a href=#externalname-services>ExternalName services</a>, the SNI field will be used for routing.</p><p>Additionally, custom routing can be configured with a TLS <code>VirtualService</code> to <a href=/v1.12/docs/reference/config/networking/virtual-service/#TLSMatchAttributes>match on SNI</a> and route requests to custom destinations.</p><h3 id=http>HTTP</h3><p>HTTP allows much richer routing than TCP and TLS. With HTTP, you can route individual HTTP requests, rather than just conn