Re: [javagroups-users] unicast vs Multicast for messages

[Carlos E. K. <ca...@ho...>]

>> We are using the default props from oscache:
>>
>> UDP(mcast_addr=231.12.21.132;mcast_port=45566;ip_ttl=32;\
>> mcast_send_buf_size=150000;mcast_recv_buf_size=80000):\
>> PING(timeout=2000;num_initial_members=3):\
>> MERGE2(min_interval=5000;max_interval=10000):\
>> FD_SOCK:VERIFY_SUSPECT(timeout=1500):\
>> pbcast.NAKACK(gc_lag=50;retransmit_timeout=300,600,1200,2400,4800):\
>> pbcast.STABLE(desired_avg_gossip=20000):\
>> UNICAST(timeout=5000):\
>> FRAG(frag_size=8096;down_thread=false;up_thread=false):\
>> pbcast.GMS(join_timeout=5000;join_retry_timeout=2000;shun=false;print_lo
>> cal_addr=true)
> 
> Those are incorrect; STABLE has to be *above* UNICAST, not below...

But why exactly is that necessary? Is it beacause STABLE needs unicast 
message sending reliability?

-- 
Carlos Eduardo Knippschild
Desenvolvedor
Hoplon Infotainment