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• ??????µµata p?? ???s?µ?p??????a?
• MBONE Tools
• IP-TV
• NetShow
• RealSystem
• Smil Composer
• Xing
• Shockwave Flash
• AfterShock
• Directory Server

• ??atf??µe? ?e?t???????? S?st?µ?t??
• Unix (Sun Solaris 2.6 - 2.5.1, Irix 5.3 - 6.2)
• Win NT 4 Service Pack 4
• Win 95/98

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????? ?F????GO?

• Seµ?????a µe ap?µa???sµ??? a???at????

• ???at?t?ta p?a?µat?p???s?? µa??µ?t?? ap? ap?stas?

• ??af?µ?s? ??????t??

• ??p?µp? ???e?pt???? / ?ad??f?????? sta?µ?? st?
  Internet

• ???ed?as???e??

• ?et?d?s? ???e??? ????µ?s?? p?? s??d??????
  s???????sµ??a (Audio, Video, ?e?µe??,
  Animation, Script e?t????, ) se ape??e?a? ?????
  

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S?????? ?????? 300x200 pixels 60000 bytes
KINOYMENH EIKONA 30 stat???? e????e?
30x60Kbytes 1.8MB
?????????? ? S?????S? ?O? ???????O?
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???f?? S?µp?es??
O? p??? t?? µ???d?
O? p??? t?? p???t?ta
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S?µp?es? Video - ?as???? a????

• ?ata?aµß????µe ????te?? ???? ??a ???e frame
  µe?????ta? t?? e?????e?a t?? e????a?

• St?????µe frames µe p?? a??? ???µ? af?? µ?a ap??
  µet?d?s? de? ??e???eta? ?a ?ata???fe? ??e? t??
  ????se?? t?? p??? µet?d?s? Video

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???????S ??????S?S

• Unicast

• Broadcast

• Multicast

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Unicast
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Broadcast
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Multicast
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G?a t?? Multicast µet?d?s? apa?te?ta?
S??des? t?? d??t??? p?????sµ?? µe t? Multicast
BONE
Multicast Routers, µe e?d??? Multicast p??t?????a
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??????S ??? ???S???????T????
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???a?e?a ?et?d?s?? Multicast
(???s?µ?p????? t? MBONE)

• IP-TV

• MBONE Tools

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MBONE Tools

• SDR (Session Directory)

• VIC

• RAT

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SDR
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SDR -gt VIC - RAT
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??µ??????a Session
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Cisco IP-TV

• IP-TV Server

• IP-TV Guide

• IP-TV Viewer

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IP-TV Guide
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IP-TV Server
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IP-TV Viewer
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??µata ??a t?? d?µ??????a ??p?µp?? µe t? IP-TV
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??µ??????a ??????µµat??
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?a????sµ?? ?a?aµ?t??? ??????µµat??
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??e???p???s? t?? IP-TV Server
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??e???p???s? ?a? e??µ???s? t?? Client
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???ß??? t?? µetad?d?µe??? Session ?a? t??
pe??e??µ???? t???
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?e???????a Steaming

• ??µ?????e? a??e?a p???µ?s?? ta ?p??a p??ß????ta?
  st?? pe??t? ap? t?? ??a ?f???? t?? p??t?? pa??t??

• ???at?t?ta µet?d?s?? a??e??? p???µ?s?? p????? ??
  ?a??? ?a? µet?d?s? se p?a?µat??? ?????

• ???s?µ?p??e? e?e???µ??a CODEC ??a s?µp?es?

• ???s?µ?p??e? t?? te????? Buffering

• ??µeta?e?eta? ??a ta p?e??e?t?µata t?? µet?d?s??
  UDP se s??s? µe a?t? t?? TCP (p??te?a??t?ta
  pa?et?? UDP, ???e??? e??????)

• ???s?µ?p??e?ta? t?s? ??a Multicast ?s? ?a? ??a
  Unicast µetad?se??

• S???????sµ??? µet?d?s? Audio, Video, e??????,
  e?t???? Script, Power Point Slides, p?????µµata
  JAVA

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Intelligent Streaming

• ?µ?da ap? e?e???µ??a ?a?a?t???st??? µe
  d??at?t?te? ?a e?t?p????? t?? e??st?te ?at?stas?
  t?? s??de?µe??? d??t??? ?a? ?a ???µ????? t??
  apa?a?t?te? pa?aµ?t???? (???µ?? µet?d?s??,
  p???t?ta e????a?, ????, frame/sec ??p) t?? ????
  ded?µ???? ??a µ???st? d??at? p???t?ta

• ??t?µat? ???µ?s? a??µesa se p???ap??? ta??t?te?
  s??d?se??

• ???µ?s? t?? ???µ?? µet?d?s?? ded?µ???? ?ste ?a
  a?tap?????eta? se t???? µetaß???? t?? Bandwidth.

• ?????? ap?st??? p??? t? ???st?, ???? ded?µ????
  st? ?at?????? Bandwidth

• ???aµ??? t??p?p???s? t?? ???µ?? µet?d?s?? ?a???
  µetaß???eta? t? d?a??s?µ? Bandwidth

?e??s? Bandwidth -gt e?p?µp? e?????? ????
?e?a??te?? µe??s? -gt e?p?µp? µ??? ???? p???µa
t?? e????a?
pe?a?t??? µe??s? -gt epa?as??ta?? ??µµat??? ????
??a ?a??te?? a???st??? p???t?ta
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WINDOWS MEDIA (NetShow)

• NetShow (MEDIA) Server, Administrator

• NetShow Tools (Real Time Encoder, Content
  Creation Tools, Tools ?a? client SDKs)

• Media Player

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• NetShow (MEDIA) Server, Administrator

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NetShow Tools (Real Time Encoder, Content
Creation Tools, Tools ?a? client SDKs)
Real Time Netshow Encoder
Netshow T.A.G Author
NetShow Asf Indexer
VidToAsf
WavToAsf
AsfCheck
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Media Player
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???e?? .html se ??p??? WWW Server
???e?? ??a?at?????s?? Http//Server.Subdomain.dom
ain/.asx ?a?e? t?? Media Player ?a? t?? de???e?
t?? ??? (stream)
Link
.asx (se ??p??? WWW Server) Reference Ref1mms
//albert.teipir.gr/eagle.asf Ref2http//albert.t
eipir.gr/eagle.asf Protocol , Server ,
a??e??
?etshow Server
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?etshow Server
Multicast
Unicast
Unicast
?etshow Server
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?etshow Server
Multicast
Unicast
Unicast
?etshow Encoder
NetShow Encoder Video ???ta s??dedeµ??? µe
??p??a p??? e?s?d?? (Video, Camera, TV Out)
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?etshow Server
Multicast
Unicast
???e?a ????µ?s?? .asf
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RealSystem

• RealServer (Administrator) - NetShow Server

• RealProducer (RealEncoder) - NetShow Encoder

• RealPlayer G2 - Media Player

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??t?st????se?? NetShow - RealSystem
.asx -gt .ram
.asf -gt .rm, .ra
.rt (Real Text)
.smi
.rp (Real Picture)
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????????µ??? pa???s?as? ????µ?s?? .SMI (.SMIL)
.rm a??e??
.rp a??e?a
.rt a??e??
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Smil Composer
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Shockwave Flash (Macromedia)
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AfterShock
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Embedded .swf a??e?? se ?st?se??da
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S??e??as?a Directory Server µe Stream Servers
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??????S?O