Talip Ozturk wrote:
> On Thu, 2003-07-24 at 13:21, Bela Ban wrote:
>> Talip Ozturk wrote:
>>> Is there a reliable UDP implementation in JavaGroups..?
>> Yes, that's the default. Have a look at default.xml in
> yeah, UDP is the first in the protocol stack but I didn't see anywhere
> saying it is reliable UDP.
No, it is not reliable. But NAKACK and UNICAST on top make it (a) FIFO
and (b) reliable. Also FRAG does fragmentation and FC flow control (if
> does it use negative acknowledgment?
Yes - that's NAKACK's job.
> how about the performance of reliable UDP comm. compare to TCP?
No perf measurements yet. I want to do this soon. I'm working on perf
measurements for org.javagroups.tests.adapt.Test, which measure
multicast traffic for 4 nodes/2 senders. I also want to compare this to
> any speed comparison metrics available?
Internally, but I want to publish it soon.
> how about NIO support?
No, but it is on the list.
Cell: (408) 316-4459