[ih] Separation of TCP and IP

[Scott Bradner]

ps - Danny's voice is dubbed 

> On Jun 24, 2022, at 11:03 AM, Scott Bradner via Internet-history <internet-history at elists.isoc.org> wrote:
> 
> this may be the 1978 video that Craig saw
> 
> https://www.youtube.com/watch?v=MGat1jRQ_SM
> 
> 
>> On Jun 24, 2022, at 9:47 AM, Craig Partridge via Internet-history <internet-history at elists.isoc.org> wrote:
>> 
>> Voice over Ethernet existed from the 1970s.  You can get a sense by looking
>> at the citations in a 1983 paper on the subject by Gonsalves in ACM SIGCOMM
>> '83.
>> 
>> Multiple papers by Danny on his Voice over Internet work ("Packet
>> communication of online speech", AFIPS '81; "Issues in transnet packetized
>> voice communication" in ACM SIGCOMM '77).  His Internet Hall of Fame
>> citation notes his work in this area started in 1973.  I once saw a video,
>> showing Danny running around Marina del Rey, using packet voice.
>> 
>> Rettberg and team also created the Voice Funnel, attached to ARPANET in
>> 1979 (BBN report 4098).
>> 
>> Work persisted through the 1980s and 1990s.  The Wideband network (Edmond
>> et al in ACM SIGCOMM '90) was used for experiments in multimedia
>> conferencing from the late 1980s on (Claudio Topolcic and, I think, Steve
>> Casner were critical here).
>> 
>> Van Jacobson, who was a user of the Wideband Network, and interested in
>> creating more flexible services over the regular Internet (Wideband had a
>> special MAC layer) and several others created the MBone with VIC and VAT in
>> the 1990s.
>> 
>> VOIP built on a huge reservoir of prior experience.
>> 
>> Craig
>> 
>> 
>> 
>> On Thu, Jun 23, 2022 at 9:28 PM Grant Taylor via Internet-history <
>> internet-history at elists.isoc.org> wrote:
>> 
>>> On 6/23/22 1:15 AM, Noel Chiappa via Internet-history wrote:
>>>> These are the impressions that I retain: that Danny was _a_
>>>> significant force in making this happen, because of his voice work
>>>> - for which timeliness was important, not correctness. (In IEN-67,
>>>> "Arrangements - Cohen" Danny "complain[ed] about TCP-3 becoming all
>>>> things to all people".) Is that correct? (If so, it's probably his
>>>> most significant technical legacy.) For others, I think Dave Reed
>>>> may have been in favour too (perhaps he'd already started to think
>>>> of RPC-like things). And perhaps some of the other voice people -
>>>> e.g. Forgie? And I'm sure the PARC guys were trying to throw a few
>>>> clues our way. Am I missing anyone? Did anyone stand out as being a
>>>> bigger influence than the rest?
>>> 
>>> Can anyone give, or point to a quick (1~3 paragraph) summary of said
>>> voice work?
>>> 
>>> I remember VoIP landing on the scene I was in during the early 2000s,
>>> but I don't remember hearing about it before that.
>>> 
>>> 
>>> 
>>> --
>>> Grant. . . .
>>> unix || die
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>> 
>> 
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