[Icecast] Unicast or Multicast?

Jordan Erickson jerickson at logicalnetworking.net
Wed May 4 16:59:45 UTC 2016


Oh, well by your "In the end... its the same..." statement and your
question of what the difference is (and mentioning connection tracking
which is a completely different subject), I was a bit confused as to
your query.


Cheers,
Jordan

On 05/04/2016 09:55 AM, buddylove wrote:
> I was already aware if this in the first place :-)
> 
> On 04.05.2016 18:04, Jordan Erickson wrote:
>> Hi buddylove,
>>
>> In addition to the links Philipp provided you, here is some more reading
>> which will hopefully help you better understand the difference between
>> multicast and unicast communications:
>>
>> https://en.wikipedia.org/wiki/Multicast
>> https://en.wikipedia.org/wiki/Unicast
>>
>>
>> Cheers,
>> Jordan
>>
>>
>> On 05/04/2016 06:39 AM, buddylove wrote:
>>> @Phil
>>> nice text...
>>> just want to mention (or better ask...)
>>> what the difference between a protocol which implements multiple
>>> connections simultaneously and a protocol implementing multiple
>>> connections by connection tracking?
>>>
>>> In the end... its the same...
>>>
>>> On 04.05.2016 10:25, Philipp Schafft wrote:
>>>> Good morning,
>>>>
>>>> On Wed, 2016-05-04 at 00:15 +0200, Fran Delgado wrote:
>>>>> Hi, there!
>>>>> I have a doubt about if this server supports unicast, multicast or
>>>>> both. I was looking for information in the web but I couldn't found
>>>>> anything. Anyone can help me?
>>>>
>>>> Icecast2 is a streaming solution that works using HTTP[0]. (HTTPS is
>>>> also supported using both methods[1].) HTTP uses TCP[2][3] as transport.
>>>> As TCP is a protocol that connects exactly two peers it's implemented
>>>> using unicast.
>>>> Multicast in contrast is used when there are a group of nodes interested
>>>> in the same data. This is normally implemented using UDP in case of IP.
>>>> However multicast support is very limited on the 'open internet'. It
>>>> imposes requirements on the nodes in between to route the traffic
>>>> according to group membership. This is a very high requirement on
>>>> 'common ground' (such as the internet).
>>>>
>>>> Have a nice day. Hope I helped you. And have a nice semester!
>>>>
>>>>
>>>> [0] https://en.wikipedia.org/wiki/HTTP
>>>> [1] RFC2817, RFC2818
>>>> [2] https://en.wikipedia.org/wiki/Transmission_Control_Protocol
>>>> [3] RFC 793
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>>
> 

-- 
Jordan Erickson (PGP: 0x78DD41CB)
Logical Networking Solutions, 707-636-5678




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