"... raw HTTP processing and a shell which wraps that inner core and ... the compliance shell... this compliance shell can wrap our internal corporate version,

"... raw HTTP processing and a shell which wraps that inner core and ... the compliance shell... this compliance shell can wrap our internal corporate version, the Google Servlet Engine, ..." Something wraps something that wraps something else. Sounds familiar from what I've seen in my office. Coincidentally, most developers in my workplace swears by Java.