[ih] reinventing the wheel, was Internet History Lives on the Internet?

[Miles Fidelman]

That's not what anybody said.  It's EFFECTIVELY multicast - avoiding 
redundant traffic when more than one destination is downloading the same 
file, at the same time.  That's its whole point.  (Or as someone else 
put it, it's a caching mechanism.)

Miles

On 2/25/19 4:24 PM, Richard Bennett wrote:
> Bittorrent doesn’t use multicast.
>
>> On Feb 25, 2019, at 1:42 PM, Miles Fidelman 
>> <mfidelman at meetinghouse.net <mailto:mfidelman at meetinghouse.net>> wrote:
>>
>> Well yes, but torrent is a distribution mechanism - it's not an 
>> infrastructure for maintaining or mirroring files.  It's essentially 
>> another, sometimes more efficient, option for click-to-download 
>> (e.g., ftp, http, bittorrent).  And it's only more efficient if 
>> multiple people are downloading at the same time.
>>
>> Miles
>>
>> On 2/25/19 12:28 PM, Richard Bennett wrote:
>>> No, Bittorrent uses DHTs and accesses as many copies of a given file 
>>> as users choose to share. It has to be running to serve files, however.
>>>
>>> RB
>>>
>>>> On Feb 25, 2019, at 9:59 AM, Miles Fidelman 
>>>> <mfidelman at meetinghouse.net <mailto:mfidelman at meetinghouse.net>> wrote:
>>>>
>>>> On 2/24/19 9:53 PM, John Levine wrote:
>>>>
>>>>>> That's what I find intriguing about my Benevolent BotNet notion.  
>>>>>> Rather
>>>>>> than depending on finding an institution interested in, competent at,
>>>>>> and willing to save history, and hoping that it has longevity, 
>>>>>> you rely
>>>>>> on a network of volunteers to provide that survivable 
>>>>>> infrastructure by
>>>>>> volunteering their excess computing resources.
>>>>> Hi again.  Please look at Bittorrent and tell us how it is different
>>>>> from what you're proposing.
>>>>>
>>>>> Bittorrent has the advantage of already existing and being deployed
>>>>> all over the world.  It's notorious for pirated music but it's also
>>>>> widely used for sharing linux distributions and the like.
>>>>>
>>>> Bit torrent is transient.  It's more like an ad-hoc multi-cast
>>>> streaming.  When nobody is downloading, there may be only one copy of
>>>> the file.
>>>>
>>>> Now gnutella, and some of the other P2P file sharing systems - that
>>>> replicate copies, or distribute files across a distributed hash 
>>>> table -
>>>> that's another story entirely.
>>>>
>>>> -- 
>>>> In theory, there is no difference between theory and practice.
>>>> In practice, there is.  .... Yogi Berra
>>>>
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>>>> Contact list-owner at postel.org for assistance.
>>>
>>> —
>>> Richard Bennett
>>> High Tech Forum <http://hightechforum.org/> Founder
>>> Ethernet & Wi-Fi standards co-creator
>>>
>>> Internet Policy Consultant
>>>
>> -- 
>> In theory, there is no difference between theory and practice.
>> In practice, there is.  .... Yogi Berra
>
> —
> Richard Bennett
> High Tech Forum <http://hightechforum.org> Founder
> Ethernet & Wi-Fi standards co-creator
>
> Internet Policy Consultant
>
-- 
In theory, there is no difference between theory and practice.
In practice, there is.  .... Yogi Berra

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