[wg-e] draft reports on Parts 2~4 of WG-E

[Kilnam Chon <chon@cosmos.kaist.ac.kr>]

mr. chuck gomes will send you the harmonized draft to be reviewed among
WG-E.

hope we can have good review before we could send to dnso.org for public
comment this month.

chon

PS: Chuck and Zita developed Part 2, and I developed Parts 3 and 4.  Then,
    Chuck harmonized these documents since there are some overlaps.