From: Joel VanderWerf <vjoel@...>
Date: 2005-07-08T06:47:34+09:00
Subject: Re: UDPSocket question


There's a proprietary algorithm:

http://www.digitalfountain.com/technology/index.cfm

but you may just want to roll your own simple solution using sequence
numbers and retransmission.

Joe Van Dyk wrote:
> Are there any 'tricks' that I can use to make sending data messages
> larger than 64KB back over UDP?  (i.e. any Ruby functions that will
> break up a message into smaller chunks and then reassemble)
> 
> On 7/6/05, Yohanes Santoso <ysantoso-rubytalk@dessyku.is-a-geek.org> wrote:
> 
>>Joe Van Dyk <joevandyk@gmail.com> writes:
>>
>>
>>>Related question:
>>>
>>>If I need to send a message that's greater than 64KB back, is there
>>>some standard Ruby way of doing so?  (64KB seems to be the maximum
>>>packet size)
>>
>>No. That's the maximum size of a UDP packet, and since UDP is a
>>datagram protocol, there is no mechanism to say 'this packet is a
>>continuation of that packet' at the UDP level. You'd have to do so at
>>a higher level.
>>
>>YS.
>>
>>
>>
> 
> 


-- 
Joel VanderWerf                          California PATH, UC Berkeley
mailto:vjoel@path.berkeley.edu                     Ph. (510) 231-9446
http://www.path.berkeley.edu                       FAX (510) 231-9565