13 Apr
2016
13 Apr
'16
2:01 a.m.
hi,
Jacktrip uses UDP.
We are on CERNET2 and Internet2 - good IPV6 networks.
Jacktrip in the common 8-channel case would then always
send Jumbo frames, right?
8 channels x 2 bytes (16bit) x 128 buffer size = 2048
I wonder how we did this before without problems?
Is it the different treatment of MTU on ipv6?
Ken
On Apr 11, 2016, at 10:50 AM, Chris Caudle
<chris(a)chriscaudle.org> wrote:
On Thu, April 7, 2016 6:57 am, Kenneth Fields wrote:
I find that with larger data chunks (over about
1500k), the packets can be
fragmented 2 or 3 times or more.
Do you mean 1500k or 1500 bytes? 1500 bytes is the standard maximum
transmission unit (MTU) for Ethernet. Anything over 1500 bytes is
considered jumbo frames. Most switches can be configured to accept jumbo
frames but would drop them by default.
Where does the fragmenting happen, on sender
side? In transit?
Your network stack should determine the MTU and only send packets that
size or below.
Would the machine ever have any problem
"reassembling" the chunks?
That is the job of the TCP part of the network stack, so it depends on
whether the protocol you are using uses TCP, UDP, or some other
application level protocol.
--
Chris Caudle
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