tree 42c7033413f3f1e60840a5694f1053111a2235e1
parent e10e5f2a11f21c9dca4f001c520d413d4222b3bd
author Alexander Afanasyev <alexander.afanasyev@ucla.edu> 1360391232 -0800
committer Alexander Afanasyev <alexander.afanasyev@ucla.edu> 1360391232 -0800

Changing logic with forwarding hints

Now there are 3 options, which continuously tried in order:
1. using forwarding hint specified by SyncLog
2. Broadcast hint
3. Empty forwarding hint

In certain cases (when forwarding hint for a node is empty), only first
two options are effective.

Change-Id: I7b7b1a8d192b2c639954734fdf29917030d8eab2