Fuzzball: Difference between revisions

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[[PDP-11]] operating system by David Mills; saw extensive use in early [[Internet]] work.
The '''Fuzzball''' was a [[PDP-11]] [[operating system]] by [https://www.eecis.udel.edu/~mills/ David Mills]. Although it was originally designed as an investigative tool and prototyping work-bench, it saw extensive use in early [[Internet]] work as a backbone [[router]] for the [[NSFNET]].


Outputs from the last Fuzzball disk image provided by David Mills. The dates are listed as 1992.
== Operating System ==


This operating system was built atop of [[RT-11]], where RT-11 would boot, then directly jump into a virtual Fuzzball machine. If you needed to change something on the underlying host, you needed to reboot the machine.


'''DCN1: lsi-11/23 (256k), kwv11, rx02, rl02, dlv11, interlan ether'''
== Deployment within NSFNET ==
<nowiki>
.type bos7.com
! dcn1
! lsi-11/23 (256k), kwv11, rx02, rl02, dlv11, interlan ether
MACRO DAT7+CFGLIB.SML/LIBRARY
MACRO SUP7+SUP+DCNLIB.SML/LIBRARY
MACRO/OBJECT:DSKDY7 SUP7+DSKDY+DCNLIB.SML/LIBRARY
MACRO/OBJECT:DSKDL7 SUP7+DSKDL+DCNLIB.SML/LIBRARY
MACRO/OBJECT:INP7 SUP7+INP+DCNLIB.SML/LIBRARY+MOSLIB.SML/LIBRARY
MACRO UDEL2+CFGLIB.SML/LIBRARY
MACRO/OBJECT:SBNET7 SUP7+SBNETH+DCNLIB.SML/LIBRARY+MOSLIB.SML/LIBRARY
LINK/EXECUTE:BOS7/BOUNDARY:100/PROMPT/MAP:BOS7/GLOBAL DAT7,SUP7,INP7
SBNET7,UDEL2,DSKDY7,DSKDL7,DSRLIB,TCPLIB//
$USEI
DELETE/NOQUERY (DAT7,SUP7,DSKDY7,DSKDL7,UDEL2,INP7).OBJ
DELETE/NOQUERY SBNET7.OBJ
</nowiki>


'''DCN2: lsi-11/73 (256k), kwv11, rx02, rl02, dlv11, interlan ether'''
== Deployment as NTP Servers ==
<nowiki>
.type bos3.com
! dcn2
! lsi-11/73 (256k), kwv11, rx02, rl02, dlv11, interlan ether
MACRO DAT3+CFGLIB.SML/LIBRARY
MACRO SUP3+SUP+DCNLIB.SML/LIBRARY
MACRO/OBJECT:DSKDY3 SUP3+DSKDY+DCNLIB.SML/LIBRARY
MACRO/OBJECT:DSKDL3 SUP3+DSKDL+DCNLIB.SML/LIBRARY
MACRO/OBJECT:INP3 SUP3+INP+DCNLIB.SML/LIBRARY+MOSLIB.SML/LIBRARY
MACRO UDEL2+CFGLIB.SML/LIBRARY
MACRO/OBJECT:SBNET3 SUP3+SBNETH+DCNLIB.SML/LIBRARY+MOSLIB.SML/LIBRARY
LINK/EXECUTE:BOS3/BOUNDARY:100/PROMPT/MAP:BOS3/GLOBAL DAT3,SUP3,INP3
SBNET3,UDEL2,DSKDY3,DSKDL3,DSRLIB,TCPLIB//
$USEI
DELETE/NOQUERY (DAT3,SUP3,DSKDY3,DSKDL3,UDEL2,INP3).OBJ
DELETE/NOQUERY SBNET3.OBJ
</nowiki>


'''DCN4 (backroom): lsi-11/73 (2048k), rx02, mscp, dlv11, dmv11, etc.'''
== Examples of routers ==
<nowiki>
.type bos4.com
! dcn4 (backroom)
! lsi-11/73 (2048k), rx02, mscp, dlv11, dmv11, etc.
!MACRO DAT4+CFGLIB.SML/LIBRARY
!MACRO/OBJECT:SUP4 SUP4+SUP+DCNLIB.SML/LIBRARY
!MACRO/OBJECT:DSKDY4 SUP4+DSKDY+DCNLIB.SML/LIBRARY
!MACRO/OBJECT:INP4 SUP4+INP+DCNLIB.SML/LIBRARY+MOSLIB.SML/LIBRARY
MACRO UDEL4+CFGLIB.SML/LIBRARY
LINK/EXECUTE:BOS4/BOUNDARY:100/PROMPT/MAP:BOS4/GLOBAL DAT4,SUP4,DSKDY4,INP4
UDEL4,DSRLIB,TCPLIB//
$USEI
!DELETE/NOQUERY (DAT4,SUP4,DSKDY4,INP4,UDEL4).OBJ
</nowiki>


'''udel7 (University of Delaware): lsi-11/23 (256k), rx02, rl02, dlv11'''
* '''DCN1:''' lsi-11/23 (256k), kwv11, rx02, rl02, dlv11, interlan ether
<nowiki>
.TYPE BOS5.COM
! udel7
! lsi-11/23 (256k), rx02, rl02, dlv11
MACRO DAT5+CFGLIB.SML/LIBRARY
MACRO SUP5+SUP+DCNLIB.SML/LIBRARY
MACRO/OBJECT:INP5 SUP5+INP+DCNLIB.SML/LIBRARY+MOSLIB.SML/LIBRARY
MACRO/OBJECT:DSKDY5 SUP5+DSKDY+DCNLIB.SML/LIBRARY
MACRO/OBJECT:DSKDL5 SUP5+DSKDL+DCNLIB.SML/LIBRARY
MACRO UDEL2+CFGLIB.SML/LIBRARY
LINK/EXECUTE:BOS5/BOUNDARY:100/PROMPT/MAP:BOS5/GLOBAL DAT5,SUP5,INP5
UDEL2,DSKDY5,DSKDL5,DSRLIB,TCPLIB//
$USEI
DELETE/NOQUERY (DAT5,SUP5,INP5,DSKDY5,DSKDL5,UDEL2).OBJ
</nowiki>


'''DCN6: lsi-11/73 (2048k), rx02, mscp, dlv11, dmv11, etc.'''
* '''DCN2:''' lsi-11/73 (256k), kwv11, rx02, rl02, dlv11, interlan ether
<nowiki>
.TYPE BOS6.COM


! Generate egp server
* '''DCN4:''' lsi-11/73 (2048k), rx02, mscp, dlv11, dmv11
!MACRO EGP+DCNLIB.SML/LIBRARY+MOSLIB.SML/LIBRARY+NETLIB.SML/LIBRARY
!MACRO EGP6+CFGLIB.SML/LIBRARY
!LINK EGP6,EGP,NETLIB
!DELETE/NOQUERY (EGP,EGP6).OBJ
! dcn6 (backroom)
! lsi-11/73 (2048k), rx02, mscp, dlv11, dmv11, etc.
MACRO DAT6+CFGLIB.SML/LIBRARY
MACRO/OBJECT:SUP6 SUP6+SUP+DCNLIB.SML/LIBRARY
MACRO/OBJECT:DSKDY6 SUP6+DSKDY+DCNLIB.SML/LIBRARY
MACRO/OBJECT:INP6 SUP6+INP+DCNLIB.SML/LIBRARY+MOSLIB.SML/LIBRARY
MACRO/OBJECT:SBNET6 SUP6+SBNETH+DCNLIB.SML/LIBRARY+MOSLIB.SML/LIBRARY
MACRO UDEL6+CFGLIB.SML/LIBRARY
LINK/EXECUTE:BOS6/BOUNDARY:100/PROMPT/MAP:BOS6/GLOBAL DAT6,SUP6,DSKDY6,INP6
SBNET6,UDEL6,DSRLIB,TCPLIB//
$USEI
</nowiki>


'''wwvb.isi.edu: lsi-11/73 (256k), kwv11, rx02, rl02, dlv11, interlan ether'''
* '''DCN6:''' lsi-11/73 (2048k), rx02, mscp, dlv11, dmv11, etc
<nowiki>
.type bos9.com
* '''udel7:''' lsi-11/23 (256k), rx02, rl02, dlv11
! wwvb.isi.edu
! lsi-11/73 (256k), kwv11, rx02, rl02, dlv11, interlan ether
MACRO DAT9+CFGLIB.SML/LIBRARY
MACRO SUP9+SUP+DCNLIB.SML/LIBRARY
MACRO/OBJECT:DSKDY9 SUP9+DSKDY+DCNLIB.SML/LIBRARY
MACRO/OBJECT:DSKDL9 SUP9+DSKDL+DCNLIB.SML/LIBRARY
MACRO/OBJECT:INP9 SUP9+INP+DCNLIB.SML/LIBRARY+MOSLIB.SML/LIBRARY
MACRO ISI+CFGLIB.SML/LIBRARY
LINK/EXECUTE:BOS9/BOUNDARY:100/PROMPT/MAP:BOS9/GLOBAL DAT9,SUP9,INP9
ISI,DSKDY9,DSKDL9,DSRLIB,TCPLIB//
$USEI
! wwvb.isi.edu
! lsi-11/23 (256k), kwv11, rx02, rl02, dlv11, 2x interlan ether
MACRO SUP9A+SUP+DCNLIB.SML/LIBRARY
LINK/EXECUTE:BOS9A/BOUNDARY:100/PROMPT/MAP:BOS9A/GLOBAL DAT9,SUP9A,INP9
ISI,DSKDY9,DSKDL9,DSRLIB,TCPLIB//
$USEI
DELETE/NOQUERY (DAT9,ISI,SUP9A).OBJ
DELETE/NOQUERY (SUP9,DSKDY9,DSKDL9,INP9).OBJ
</nowiki>


'''backfuzz.pa.dec.com: lsi-11/23 (512k), kwv11, mscp, dlv11, deqna ether'''
* '''wwvb.isi.edu:''' lsi-11/73 (256k), kwv11, rx02, rl02, dlv11, interlan ether
<nowiki>
.type bos11.com
! backfuzz.pa.dec.com
! lsi-11/23 (512k), kwv11, mscp, dlv11, deqna ether
MACRO DAT11+CFGLIB.SML/LIBRARY
MACRO SUP11+SUP+DCNLIB.SML/LIBRARY
MACRO/OBJECT:INP11 SUP11+INP+DCNLIB.SML/LIBRARY+MOSLIB.SML/LIBRARY
MACRO DECWRL+CFGLIB.SML/LIBRARY
LINK/EXECUTE:BOS11/BOUNDARY:100/PROMPT/MAP:BOS11/GLOBAL DAT11,SUP11,INP11
DECWRL,DSRLIB,TCPLIB//
$USEI
DELETE/NOQUERY (DAT11,SUP11,INP11,DECWRL).OBJ
</nowiki>


'''timer.nta.no: lsi-11/23 (256k), kwv11, rx02, rl02, dlv11, interlan ether'''
* '''backfuzz.pa.dec.com:''' lsi-11/23 (512k), kwv11, mscp, dlv11, deqna ether
<nowiki>
 
.type bos12.com
* '''timer.nta.no:''' lsi-11/23 (256k), kwv11, rx02, rl02, dlv11, interlan ether
! timer.nta.no
 
! lsi-11/23 (256k), kwv11, rx02, rl02, dlv11, interlan ether
{{semi-stub}}
MACRO DAT12+CFGLIB.SML/LIBRARY
 
MACRO SUP12+SUP+DCNLIB.SML/LIBRARY
==See also==
MACRO NTARE+CFGLIB.SML/LIBRARY
 
LINK/EXECUTE:BOS12/BOUNDARY:100/PROMPT/MAP:BOS12/GLOBAL DAT12,SUP12
* [[Fuzzball config files]]
NTARE,DSRLIB,TCPLIB//
* [[Fuzzball build notes]]
$USEI
DELETE/NOQUERY NTARE.OBJ
! timer.unik.no
! lsi-11/23 (256k), kwv11, rx02, rl02, dlv11, deqna ether
MACRO DAT13+CFGLIB.SML/LIBRARY
MACRO UNIK+CFGLIB.SML/LIBRARY
LINK/EXECUTE:BOS13/BOUNDARY:100/PROMPT/MAP:BOS13/GLOBAL DAT13,SUP12
UNIK,DSRLIB,TCPLIB//
$USEI
DELETE/NOQUERY (DAT12,DAT13,SUP12,UNIK).OBJ
</nowiki>


==External links==
==External links==
Line 162: Line 38:
* [https://www.eecis.udel.edu/~mills/gallery/gallery10.html Fuzzball information by David Mills]
* [https://www.eecis.udel.edu/~mills/gallery/gallery10.html Fuzzball information by David Mills]
* [http://web.archive.org/web/20141108042310/http://malarky.udel.edu/~dmills/data/du0/ Archived source code]
* [http://web.archive.org/web/20141108042310/http://malarky.udel.edu/~dmills/data/du0/ Archived source code]
* [http://ftp.dbit.com/pub/pdp11/fuzzball/fuzz.pdf The Fuzzball]
* [https://web.archive.org/web/20220612234439/https://www.eecis.udel.edu/~mills/database/papers/fuzz.pdf The Fuzzball]
 
* [https://www.eecis.udel.edu/~mills/database/papers/bone.pdf The NSFNET Backbone Network]
{{stub}}
* [https://archive.org/details/DTIC_ADA136463 DTIC ADA136463: M/A-COM Linkabit Eastern Operations]


[[Category: PDP-11 Operating Systems]]
[[Category: PDP-11 Operating Systems]]
[[Category: Non-DEC Operating Systems]]
[[Category: Non-DEC Operating Systems]]

Latest revision as of 01:47, 29 May 2025

The Fuzzball was a PDP-11 operating system by David Mills. Although it was originally designed as an investigative tool and prototyping work-bench, it saw extensive use in early Internet work as a backbone router for the NSFNET.

Operating System

This operating system was built atop of RT-11, where RT-11 would boot, then directly jump into a virtual Fuzzball machine. If you needed to change something on the underlying host, you needed to reboot the machine.

Deployment within NSFNET

Deployment as NTP Servers

Examples of routers

  • DCN1: lsi-11/23 (256k), kwv11, rx02, rl02, dlv11, interlan ether
  • DCN2: lsi-11/73 (256k), kwv11, rx02, rl02, dlv11, interlan ether
  • DCN4: lsi-11/73 (2048k), rx02, mscp, dlv11, dmv11
  • DCN6: lsi-11/73 (2048k), rx02, mscp, dlv11, dmv11, etc
  • udel7: lsi-11/23 (256k), rx02, rl02, dlv11
  • wwvb.isi.edu: lsi-11/73 (256k), kwv11, rx02, rl02, dlv11, interlan ether
  • backfuzz.pa.dec.com: lsi-11/23 (512k), kwv11, mscp, dlv11, deqna ether
  • timer.nta.no: lsi-11/23 (256k), kwv11, rx02, rl02, dlv11, interlan ether

See also

External links

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