What is the difference between iCalendar and CalDav?
CalDAV is a protocol extension for WebDAV and can used to manipulate data in the iCalendar format. So CalDAV is like the HTTP for calendar stuff, and iCalendar is like HTML.
caldav
Publishing Outlook Calendars. What is the server-side setting for sync frequency?
CalDAV (Calendaring Extensions to WebDAV, documented in RFC-4791) uses the iCalendar (Internet Calendaring and Scheduling Core Object Specification, documented in RFC-5545, not to be confused with Apple’s iCal) format for the data exchange. iCalendar accommodates non-standard properties that start with a “X-” prefix. X-PUBLISHED-TTL is the property that maps to the recommended update interval for … Read more