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Pete
r Pa
rnes
, CD
T1
,3�0
XOWLFDVW
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+RZ
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Pete
r Pa
rnes
LT
U-C
DT
/Mar
rate
ch A
B
Tel
ia R
esea
rch
AB
- 9
8082
7
Pete
r Pa
rnes
, CD
T2
Ove
rvie
w
•M
ultic
astin
g
•M
Bon
e
•A
pplic
atio
ns
•C
onfe
renc
ing
Too
ls -
MB
one
and
mSt
ar
•Pr
otoc
ols
•M
Bon
e an
d th
e In
tern
et
•U
sage
•R
esea
rch
issu
es a
nd f
urth
er d
evel
opm
ent
Pete
r Pa
rnes
, CD
T3
Man
y to
Man
y•
How
to im
plem
ent “P
DQ\�WR�PDQ\”
traf
fic?
���&HQWUDO�VHUYHU:
Hav
e a
cent
ral s
erve
r th
atdu
plic
ates
pac
kets
to a
ll ot
her
mem
bers
.
����)XOO\��FRQQ
HFWHG�PHVK:
Let
eve
ry m
embe
rha
ve a
con
nect
ion
to a
ll/so
me
othe
rm
embe
rs.
���0
XOWLFDVWLQJ:
Let
the
netw
ork
dupl
icat
e th
epa
cket
whe
n ne
eded
.
1 an
d 2
was
tes
band
wid
th!!
!!
Pete
r Pa
rnes
, CD
T4
IP A
ddre
ssin
g
•T
he T
CP/
IP f
amily
incl
udes
fou
r ty
pes
ofdi
stri
butio
n of
a p
acke
t fro
m a
sin
gle
host
:•8QLFDVW
: To
one
host
•“N
orm
al”
IP-t
raffi
c
•T
he p
acke
t is
“see
n” o
nly
by th
e re
ceiv
ing
host
•%URDGFDVW
: To
all h
osts
on
a ne
twor
k•
Whe
n tr
ying
to fi
nd a
noth
er h
ost
•T
he p
acke
t is
seen
by
all h
osts
on
the
loca
lne
twor
k
Pete
r Pa
rnes
, CD
T5
IP A
ddre
ssin
g
•$Q\FDVW
: To
one
host
of
a gr
oup
of h
osts
•T
o ac
cess
a r
esou
rce
that
is s
erve
d by
sev
eral
com
pute
rs
•IP
6
•T
he p
acke
t is
“see
n” b
y on
e of
f the
rec
eivi
ngho
sts
•0XOWLFDVW
: To
a gr
oup
of h
osts
•T
he p
acke
t is
seen
by
all h
osts
in th
e gr
oup
•T
he p
acke
t is
only
dup
licat
ed w
hen
need
ed
Pete
r Pa
rnes
, CD
T6
Mul
ticas
t vs.
Uni
cast
Pete
r Pa
rnes
, CD
T7
Mul
ticas
ting
•M
ultic
ast t
raff
ic u
ses
a sp
ecia
l ran
ge o
fIP
-add
ress
es:
•22
4.0.
0.0
- 23
9.25
5.25
5.25
5
•A
hos
t muc
h MRLQ
a s
peci
fic
grou
p to
rece
ive
the
traf
fic
in th
at g
roup
but
can
send
to a
gro
up w
ithou
t joi
ning
.
•M
embe
rshi
p is
con
trol
led
by th
e ,*03
prot
ocol
.
Pete
r Pa
rnes
, CD
T8
MB
one?
•T
he M
Bon
e is
bot
h a
netw
ork-
tech
nolo
gyan
d a
suite
of
tool
s.•
The
net
wor
k pa
rt is
toda
y de
ploy
ed a
s a
virt
ual n
etw
ork
on th
e In
tern
et. S
ites
need
toha
ve s
peci
al M
Bon
e-fe
eds.
The
set
up is
hand
led
man
ually
(bu
t onl
y on
ce f
or e
ach
site
)
•T
he to
ols
cons
ists
toda
y pr
imar
ily o
fco
nfer
enci
ng to
ols
but m
ore
is c
omin
g...
Pete
r Pa
rnes
, CD
T9
App
licat
ions
•T
he M
Bon
e is
WRGD\
used
for
:•³%
URDGFDVWLQJ´
: con
fere
nces
, mee
tings
,se
min
ars,
con
cert
s an
d ra
dio-
stat
ions
are
mul
ticas
ted
daily
.
•&RQIHUHQFLQJ:
The
MB
one
is u
sed
for
trad
ition
al v
ideo
-con
fere
ncin
g (b
ut M
UC
Hch
eape
r!!)
•1HZ
V: D
istr
ibut
ion
of U
sene
t-N
ews
•0�)73
: Mul
ti-us
er F
ile T
rans
fer
Pete
r Pa
rnes
, CD
T10
App
licat
ions
Tom
orro
w•
App
licat
ions
WRPRUURZ
incl
ude:
•6RIWZDUH�GLVWULEX
WLRQ
: For
get t
he v
ery
cost
ly p
roce
dure
of
new
sof
twar
e C
Ds
for
each
new
rel
ease
and
bug
-fix
! Ju
st s
uppl
yth
e la
test
ver
sion
in a
kno
wn
mul
ticas
t-gr
oup.
•0LUURULQJ
: Ins
tead
of
letti
ng e
ach
clie
ntfe
tch
all n
ew f
iles
from
a s
erve
r, s
end
out t
hech
ange
d fi
les
usin
g m
ultic
ast!
Pete
r Pa
rnes
, CD
T11
App
licat
ions
Tom
orro
w
•5HDO�1
HZV:
All
new
s is
tran
smitt
ed o
n th
ene
t. In
dexe
d an
d re
ady.
(R
eute
rs h
ave
this
sinc
e 19
96!)
•79
: Why
not
wat
ch y
our
favo
urite
TV
-ch
anne
l ove
r th
e ne
twor
k?
•)LOH�&DFKHV:
If
all f
ile-r
eque
sts
are
issu
edus
ing
mul
ticas
ting
it’s
muc
h ea
sier
to c
ache
them
loca
lly!
•A
nd m
uch
muc
h m
uch.
......
Pete
r Pa
rnes
, CD
T12
Con
fere
ncin
g to
ols
•T
he M
Bon
e to
ols
toda
y co
nsis
ts o
f:•6'
5: T
he s
essi
on d
irect
ory,
“th
e ch
anne
l-gu
ide”
•:%
: A d
istr
ibut
ed w
hite
-boa
rd (
post
scrip
tan
d te
xt)
•9,&
: A v
ideo
-too
l
•9$7�5$7
: Tw
o au
dio-
tool
s
•m
Star
!
Pete
r Pa
rnes
, CD
T13
MB
one
bild
ext
ern!
•E
xter
n bi
ld!
Pete
r Pa
rnes
, CD
T14
The
mSt
ar F
amily
•A
fam
ily o
f to
ols
for
scal
able
dis
trib
uted
elec
tron
ic te
amw
ork.
•It
sup
port
s a
num
ber
of d
iffe
rent
conf
eren
cing
med
ia:
•au
dio/
vide
o
•sh
ared
whi
tebo
ard,
cha
tting
, vot
ing
•W
eb b
ased
ele
ctro
nic
pres
enta
tions
Pete
r Pa
rnes
, CD
T15
mul
ticas
t Aud
io: m
Aud
io
Pete
r Pa
rnes
, CD
T16
Vid
eo -
VIC
Pete
r Pa
rnes
, CD
T17
mul
ticas
t Web
: mW
eb
Pete
r Pa
rnes
, CD
T18
mul
ticas
t Whi
teB
oard
: mW
B
Pete
r Pa
rnes
, CD
T19
mul
ticas
t Vot
e: m
Vot
e
Pete
r Pa
rnes
, CD
T20
mul
ticas
t Cha
t: m
Cha
t
Pete
r Pa
rnes
, CD
T21
mul
ticas
t Med
ia O
n D
eman
d: m
MO
D
•A
s al
l tra
ffic
is n
etw
ork
and
mul
ticas
tba
sed,
it is
ver
y ea
sy to
rec
ord
it.
•m
MO
D is
ano
ther
mem
ber
of m
Star
that
supp
ort r
ecor
ding
and
late
r pl
ayba
ck.
•W
eb b
ased
con
trol
Pete
r Pa
rnes
, CD
T22
mul
ticas
t Tun
nel:
mT
unne
l
•So
me
links
do
not s
uppo
rt m
ultic
ast
•IS
DN
, ana
log
mod
em
•m
Tun
nel a
llow
s fo
r ea
sy tu
nnel
ling
ofm
ultic
ast t
raff
ic o
ver
non-
mul
ticas
t lin
ks.
•It
als
o al
low
s fo
r tr
affi
c tr
ansf
orm
atio
n:•
reco
ding
, mix
ing,
sw
itchi
ng, s
calin
g
•T
his
allo
ws
user
s to
join
into
hig
hba
ndw
idth
ses
sion
s ev
en if
they
do
not h
ave
the
need
ed b
andw
idth
.
Pete
r Pa
rnes
, CD
T23
mSt
ar D
esig
n Is
sues
•6FDODEOH
: The
env
iron
men
t sho
uld
scal
e to
ave
ry la
rge
num
ber
of u
sers
- ,3�0
XOWLFDVW i
s th
eso
lutio
n!
•5REXVW:
The
env
iron
men
t sho
uld
surv
ive
netw
ork
failu
res
and
not b
e de
pend
ent o
n an
yce
ntra
l ser
vice
s
•$FFHVVLEOH:
Use
rs s
houl
d be
abl
e to
par
ticip
ate
from
thei
r de
skto
p
•1HWZRUN�EDVHG:
No
need
for
any
spe
cial
ISD
Nco
nnec
tions
, jus
t the
sta
ndar
d lo
cal n
etw
ork
and
the
Inte
rnet
.
Pete
r Pa
rnes
, CD
T24
Prot
ocol
s
MA
NY
dif
fere
nt p
roto
cols
invo
lved
with
Mul
ticas
ting
- U
DP,
RT
P, S
RM
, MT
P-2,
MT
CP
•8'3
: Use
r D
atag
ram
Pro
toco
l•
Unr
elia
ble
==
Pac
kets
can
be
lost
•T
he a
pplic
atio
ns h
as to
take
car
e of
relia
bilit
y
Pete
r Pa
rnes
, CD
T25
RT
P
573
- R
eal-
Tim
e T
rans
fer
Prot
ocol
•D
evel
oped
by
the
IET
F (R
FC18
89/9
0)an
d la
ter
copi
ed in
to I
TU
/H.2
25.
•E
nd-t
o-E
nd tr
ansp
ort f
unct
iona
lity
for
real
-tim
e da
ta
•D
esig
ned
for
mul
ticas
ting
•C
ompl
etel
y ne
twor
k la
yer
inde
pend
ent
Pete
r Pa
rnes
, CD
T26
Rel
iabl
e M
ultic
astin
g
•N
o st
anda
rd to
day
(IE
TF/
ITU
are
not
wor
king
on
this
pro
blem
alth
ough
sev
eral
othe
r gr
oups
are
)
•M
ultic
ast T
rans
port
Pro
toco
l 2 -
073�
•N
AC
K b
ased
•Fa
nout
TC
P - 07&3
•St
ar-t
opol
ogy
with
a T
CP
conn
ectio
n to
eac
hre
ceiv
er
Pete
r Pa
rnes
, CD
T27
Rel
iabl
e M
ultic
astin
g
•Sc
alab
le R
elia
ble
Mul
ticas
ting
- 65
0•
NA
CK
bas
ed -
eve
ry m
embe
r pa
rtic
ipat
es in
repa
irs
and
not o
nly
the
orig
inal
sen
der
of a
pack
et
•U
sed
in th
e M
Bon
e W
B
•I
have
des
igne
d a
RT
P-ex
tens
ion
to in
clud
eSR
M.
•T
his
is to
day
impl
emen
ted
and
used
in th
em
Star
Whi
teB
oard
.
Pete
r Pa
rnes
, CD
T28
Mor
e Pr
otoc
ols
•Se
ssio
n D
escr
iptio
n Pr
otoc
ol -
SD
P
•Se
ssio
n A
nnou
ncem
ent P
roto
col -
SA
P
•R
eal-
time
Stre
amin
g Pr
otoc
ol -
RT
SP
•Se
ssio
n In
itiat
ion
Prot
ocol
- S
IP
•R
ecei
ver-
base
d L
ayer
ed M
ultic
ast -
RL
M
•P
lus
man
y m
ore…
.
Pete
r Pa
rnes
, CD
T29
MB
one
and
the
Inte
rnet
•T
o si
mpl
ify
the
deve
lopm
ent p
roce
ss o
fth
e M
Bon
e-ne
twor
k, it
was
fir
st d
eplo
yed
as a
vir
tual
net
wor
k us
ing
IP-t
unne
ls
•bu
t is
now
cha
nged
into
a s
tand
ard
IP-
serv
ice
==
all
rout
ers
need
to k
now
abo
utm
ultic
astin
g
•M
ultic
astin
g is
bot
h an
,QWHUQHW a
nd a
n,QWUDQHW
tech
nolo
gy
Pete
r Pa
rnes
, CD
T30
Usa
ge S
cena
rios
of
mSt
ar
•E
lect
roni
c M
eetin
gs•
Mee
ting
usin
g yo
ur d
eskt
op c
ompu
ter
•D
ista
nce
Edu
catio
n•
Dis
trib
utio
n of
lect
ures
ove
r th
e In
tern
etw
here
par
ticip
ants
can
ask
que
stio
ns a
nd b
eac
tive
•E
lect
roni
c C
orri
dor
•D
aily
wor
k w
here
use
rs r
un th
e to
ols
24ho
urs
a da
y
Pete
r Pa
rnes
, CD
T31
Usa
ge E
xam
ples
•E
duca
tion
Dir
ect
•D
istr
ibut
ion
of le
ctur
es to
the
coun
ty o
fN
orrb
otte
n
•E
rics
son
Eri
soft
•E
lect
roni
c m
eetin
gs a
nd te
amw
ork
betw
een
thei
rof
fice
s an
d E
rics
son
in S
tock
holm
and
oth
erco
untr
ies
•D
aily
wor
k at
CD
T•
mSt
ar is
use
d fo
r el
ectr
onic
mee
tings
, the
elec
tron
ic c
orri
dor,
mul
ticas
t of
sem
inar
s an
dco
urse
s
Pete
r Pa
rnes
, CD
T32
Futu
re R
esea
rch
Issu
es
•M
ultic
ast a
ddre
ss a
lloca
tion
- M
AL
LO
C
•L
ayer
ed e
ncod
ings
for
bot
h au
dio
and
vide
o
•B
ette
r ba
ndw
idth
con
trol
(T
CP-
frie
ndly
)
•N
ew a
udio
and
vid
eo e
ncod
ings
that
perf
orm
bet
ter
in lo
ssy
envi
ronm
ents
.
•H
.323
/T.1
20 in
tegr
atio
n/in
tero
pera
bilit
y
•B
ette
r se
curi
ty
Pete
r Pa
rnes
, CD
T33
Furt
her
Dev
elop
men
t of
mSt
ar
•M
arra
tech
AB
•C
olla
bora
tion
proj
ects
with
TR
AB
•R
oxy
•M
edia
Site
•E
duca
tion
Dir
ect
•C
DT
Dis
trib
uted
Sof
twar
e L
ab -
NU
TE
K
Pete
r Pa
rnes
, CD
T34
Nat
ive
Mul
ticas
t in
Swed
en
•SU
NE
T: T
he w
hole
net
wor
k
•T
elia
: Alm
ost w
orki
ng in
the
coun
tyne
twor
k. N
othi
ng in
the
rest
of
the
prod
uctio
n ne
twor
k
•T
ele-
2: N
othi
ng y
et
•G
loba
lOne
: Ful
l nat
ive
mul
ticas
t sup
port
in th
eir
back
bone
net
wor
k
Pete
r Pa
rnes
, CD
T35
Sum
mar
y
•IP
mul
ticas
t pro
vide
s a
scal
able
sol
utio
nfo
r “m
any-
to-m
any”
com
mun
icat
ion.
•A
num
ber
of to
ols
are
bein
g de
ploy
ed o
nth
e In
tern
et to
day
to u
tiliz
e th
e po
wer
of
IP m
ultic
ast.
•m
Sta
r be
ing
turn
ed in
to a
pro
duct
.
•N
ativ
e m
ultic
ast i
s sl
owly
bei
ng d
eplo
yed
arou
nd th
e w
orld
.
Pete
r Pa
rnes
, CD
T36
Que
stio
ns?
SH
SS
DU
#F
GW
�O
XW
K�
VH
KW
WS
��
�Z
ZZ
�F
GW
�O
XW
K�
VH
�a
SH
SS
DU
�
KW
WS
��
�Z
ZZ
�F
GW
�O
XW
K�
VH
�P
6W
DU
�
KW
WS
��
�Z
ZZ
�P
DU
UD
WH
FK
�F
RP
�
Pete
r Pa
rnes
, CD
T37
Mul
ticas
ting
and
Fire
Wal
ls
•Po
litic
al q
uest
ion 127
tech
nica
l
•T
here
is n
othi
ng s
peci
al a
bout
mul
ticas
ting
in c
ompa
riso
n to
oth
er I
P-tr
affi
c. T
here
are
fou
r so
lutio
ns to
the
Fire
Wal
l pro
blem
:1
Ope
n th
e w
all f
or a
ll m
ultic
ast-
traf
fic.
Sim
ple
and
a ro
uter
can
con
trol
whi
chne
twor
ks w
ithin
a c
ompa
ny s
houl
d ha
veM
Bon
e ac
cess
.
Pete
r Pa
rnes
, CD
T38
Mul
ticas
ting
and
Fire
Wal
ls
2Se
t up
a tu
nnel
thro
ugh
the
wal
l
3R
ent a
ded
icat
ed li
ne th
at is
n’t c
onne
cted
toth
e re
st o
f the
com
pani
es n
etw
ork
and
ison
ly u
sed
for
Mul
ticas
ting
4S
tay
behi
nd th
e re
st a
nd d
on’t
use
mul
ticas
ting
at a
ll! :-
)