The Real servers in the group. The servers are presented
in bitmap format.
in receiving order:
OCTET 1 OCTET 2 .....
xxxxxxxx xxxxxxxx .....
| || |_ server 9
| ||
| ||___ server 8
| |____ server 7
| . . .
|__________ server 1
where x : 1 - The represented server belongs to the group
0 - The represented server does not belong to
the group