[ih] internet-history Digest, Vol 105, Issue 30

Craig Partridge craig at aland.bbn.com
Wed Aug 31 06:50:48 PDT 2016

Hi Olivier:

What the article hints at, but doesn’t quite say, is that TCP was the answer to a question, namely how to do we link packet radio networks (and some other
types of networks) to a network like ARPANET?

As I recall the story (I arrived on the scene later), Bob Kahn was in the process of funding Packet Radio Networks and he and Vint needed to solve the
interconnection problem and that motivated the TCP paper.



PS: Footnote — originally TCP contained both TCP and what we now call IP.  IP was made a standalone protocol after a hallway debate in (I believe) 1977.

> On Aug 31, 2016, at 3:33 AM, Olivier MJ Crepin-Leblond <ocl at gih.com> wrote:
> On 31/08/2016 05:13, Barbara Denny wrote:
>> For those interested, here is another article related to the Packet Radio/ARPANET August Internet demo.  BTW, the SFgate article didn't make it clear that another packet radio located at Stanford was used to reach SRI.  The November 1977 demo also added a satellite, SATNET,  to make it a 3 network test.
>> barbara
>> How the internet was invented <https://www.theguardian.com/technology/2016/jul/15/how-the-internet-was-invented-1976-arpa-kahn-cerf?CMP=share_btn_link>
> Thanks for this link. The mentioning of packet radio raised my interest and I was not aware of the Stanford experiments. Yet I am somehow puzzled as packet radio used AX.25. Thus whilst I understand the packet transmission of data was proven, is packet radio really that closely related to TCP/IP? 
> Kindest regards,
> Olivier
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