[ih] booting linux on a 4004

[Scott Bradner]

multicast is also an issue but I do not recall if that was one that Craig & I talked about

Scott

> On Oct 1, 2024, at 7:34 PM, Scott Bradner via Internet-history <internet-history at elists.isoc.org> wrote:
> 
> I remember talking with Craig Partridge (on a flight to somewhere) about source quench 
> during the time when 1812 was being written - I do not recall
> the specific issues but I recall that there were more than one issue
> 
> (if DoS was not an issue at the time, it should have been)
> 
> Scott
> 
>> On Oct 1, 2024, at 6:22 PM, Brian E Carpenter via Internet-history <internet-history at elists.isoc.org> wrote:
>> 
>> On 02-Oct-24 10:19, Michael Greenwald via Internet-history wrote:
>>> On 10/1/24 1:11 PM, Greg Skinner via Internet-history wrote:
>>>> Forwarded for Barbara
>>>> 
>>>> ====
>>>> 
>>>> From: Barbara Denny <b_a_denny at yahoo.com>
>>>> Sent: Tuesday, October 1, 2024 at 10:26:16 AM PDT
>>>> I think congestion issues were discussed because I remember an ICMP message type called source quench (now deprecated). It was used for notifying a host to reduce the traffic load to a destination.  I don't remember hearing about any actual congestion experiments using this message type.
>>> Of only academic interest: I believe that, circa 1980 +/- 1-2 years, an
>>> advisee of either Dave Clark or Jerry Saltzer, wrote an undergraduate
>>> thesis about the use of Source Quench for congestion control. I believe
>>> it included some experiments (maybe all artificial, or only through
>>> simulation).
>>> I don't think it had much impact on the rest of the world.
>> 
>> Source quench is discussed in detail in John Nagle's RFC 896 (dated 1984).
>> A trail of breadcrumbs tells me that he has an MSCS from Stanford, so
>> I guess he probably wasn't an MIT undergrad.
>> 
>> Source quench was effectively deprecated by RFC 1812 (dated 1995). People
>> had played around with ideas (e.g. RFC 1016) but it seems that basically
>> it was no use.
>> 
>> A bit more Google found this, however:
>> 
>> "4.3. Internet Congestion Control
>> Lixia Zhang began a study of network resource allocation techniques suitable for
>> the DARPA Internet. The Internet currently has a simple technique for resource
>> allocation, called "Source Quench."
>> Simple simulations have shown that this technique is not effective, and this work
>> has produced an alternative which seems considerably more workable. Simulation
>> of this new technique is now being performed."
>> 
>> [MIT LCS Progress Report to DARPA, July 1983 - June 1984, AD-A158299,
>> https://apps.dtic.mil/sti/pdfs/ADA158299.pdf ]
>> 
>> Lixia was then a grad student under Dave Clark. Of course she's at UCLA now. If she isn't on this list, she should be!
>> 
>>  Brian Carpenter
>> 
>> 
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