The article doesn't describe SNI at all. With SNI, you can deploy multiple certificates on the same IP address. The method described here uses a single certific

The article doesn't describe SNI at all. With SNI, you can deploy multiple certificates on the same IP address. The method described here uses a single certificate that includes multiple domains in the subjectAltName. Obviously, SNI is the superior solution for a shared hosting environment. The approach described in the article is fine for consolidating some related domains into one certificate, but would be an expensive management headache for many unrelated domains.