Please classify the following protocols, in which category/classification comes either hierarchical, location, query based,flat, data centric, etc
the protocols are:-
1:EAR2
2:TBRP
3:PGR
4:PEDAMACS
5:I-EDF
5:ETX
6:SRTLD
7:EDRP
8:ARP
9:QEMPAR
10: 3r.PROTOCOL
11:OMLRP
12:DMRF
13:DRG