IP Optical Networking kimjg@etri.re.kr - PowerPoint PPT Presentation

Title: IP Optical Networking kimjg@etri.re.kr


1

• IP?? Optical Networking

??? kimjg_at_etri.re.kr ????????? ?????????
2
??

• ?? ????? ??
• IP? ???? ??
• IP?? ?? ????
• Optical Internet
• WDM?? ?? ??

3
??? ?? ?? ???(1)
??????? ??

• ??? ???? 75? WWW
• ??2 ??? ? 3M (NW July 1998)
• ??? ? 43.2M (NW January 1999)
• IP ?? 206 (NW July 1998)
• Web Sites 3M (Jan 1999)
• Web Pages 700M
• Worldwide ISPs 8000 (??? 4700??)
• ??? ??? ?? ? ?? 100 - 1000

4
??? ?? ?? ???(2)
??????? ??

• ? ??? ??? ? 165M (NAU May 1999)
• US/CANADA 90.65M
• EUROPE 40.09M
• ASIA/Pacific 26.9M
• LATIN AMERICA 5.29M
• AFRICA 1.14M
• Middle EAST 0.88M
• 2000? ? ??? ??? 300M - 1000M
• ??? ??? ??(Source Forrester Research)
• 1999? 80??
• 2002? 3270??
• 2003? 18,000 - 32,000??(??? ??? ? 10)

5
??? ? ?? ???? ?? ??
??????? ??
R e l a t I v e L o a d
Voice? 25?
300
200
Data
100
Voice? 5?
Voice
0
2005
1995
2000
??Lightwave, Apr. 1998

• ??? ???? ???? ??(??)
• ? 6???? 2?? ?? 1998?? ?? ??? ??
• 2001?? ??? ??? ?? 35Tb/s? ??(OLDY98)
• ?????? 2001?? ????? ??? 2.5Gb/s? ATM, SONET ????

6
Vint Cerfs Inversion
??????? ??
Future
Look !

• Today you go through a
• Circuit switch to get to a packet switch.
• Tomorrow youll go through a
• packet switch to get to a circuit switch.

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?? ????? ??
??????? ??

• ??? ???
• ?? ??? ??
• ?? ??? IP
• ???? ???
• STM/ATM/PTM ???
• ??????
• ??/??? ??? ???
• ???? ??
• ???? ????
• ???? ?? ??
• ??? ??? ??
• PDH??
• SDH??
• Private Network

????
IP???
IP?? ??? IP/ATM?? ?? ????? ??? (????) ?? ????
??????
????
???????
8
???? ?? ??
IP? ???? ??

• ??? ???? ???? ???? ???? ??
• ???? ??? IP ?? ????? ??? ??
• IP Packet Over Fiber, ???? ??? Ethernet ?
• IP Telephony ?? ??
• ?? SDH???? ??? IP ???? ???? ??? ??
• IP Over SDH, IP over ATM ?
• ?? ???? IP? ???? ?? ?? ?? ?? ??
• ????? IP Over . Over WDM over Fiber? ??
• Telephony? ???? ?? ????? ??
• Circuit ? Datagram?? ???? ?? ?? ?? ???? ??
• IP? ATM? ?? ??
• ?? ??? ATM/SDH??? IP ??? ??
• ?? ???? ???/??? ??? SDH???/WDM ??
• ?? ??? ??? ???? ??? ?? ???? ??
• IP Telephony
• WDM based Transparency

9
WDM?? IP ???? ??
IP? ???? ??
Applications layer
Vocie,Video, data, multimedia...
IP
switching/ routing layer
IPoA
HDLC /
ATM
Simple DataLink
IPoS
IPoW
Gigabit Ethernet/ Fiber Channel
Transport layer
SDH/Sonet
Open optical interface
WDM(or Fiber)
Optical layer
10
WDM?? ??? ????
IP? ???? ??
IP ?
SDH/ATM Network (B-ISDN?)
All Optical Network (WDM?)
? ?
(IP over ATM)
VP/VC
ATM ?
IP
? ???
Optical Channel layer
(IP over SDH)
HDLC / Ethernet/ SDL
SDH ???
Virtual Container
Optical multiplex section layer
??????
WDM ?? ???
???
Optical regenerator section layer
STM-N
(IP over WDM)
Physical media layer
Regeneration Physical media layer
Regeneration Physical media layer
G.Ethernet, Fiber Channel
(WDM)
(SDH-Based)
11
IP?? ? ???? ?? (1)
IP? ???? ??

• Optical SDH/SONET(IP over SDH)
• ??
• ????? ???? ??? ??? ?? ??
• ?? ????? IP???? ???? ?? ?? ??
• ?? SDH??? ??, ???? ??? ??? ??
• IP ??? ??
• IP?? ??? ????, ???, ???? ??? ?? ??? ??? ??
• ???? SDH???? ??, ????? IP ??? ???? ?? ??
• Optical ATM(IP over ATM)
• ??
• IP? ???? ??? ???? ?? ??? ??
• IP? QoS ?? ? VPN??? ??
• IP??? ??
• ??SAR, Queing??, ???????, ??????? ATM? ??
• ??? 40Gb/s? Wired speed? IP????? ? ?? ?????
• ATM? ??? SVC ?? ?? ?? ???? ??? ??
• TCP?? ?? ? ?? SVC??? ?? ??? ??
• --gt ????? ??? ???? IP over ATM? ???? ???? ???
  ???, Throughput ?? ???? ??? ????? ??? ???

12
IP?? ? ???? ?? (2)
IP? ???? ??

• Optical WDM (IP over WDM)
• ??
• ?? ??? Point to Point ??? ??? ?? ??
• IP??? ????? ??? ??? ???(SDL, HDLC Like?)
• ????? IP ??? ????? ??
• ??? ??? ??? ??? ?? ???
• ??
• IP ???? ?? ??? ?? ???? IP???? ?? ??
• ?? ????? ??/??? ??
• Long houl WDM ???? ?? ??? ??
• ?????? ??? 200-300Km ?? ??? ???? ??
• SONET/SDH???
• ?? SDH??? ??? ??? ? OAM, Signalling?
• ??? ??? SDH?? SAR??? Throughput? ???? ??
• ??? Fast IP, Slim SDH?? ? ??? ??? ????? ??
• ?? LAN??? Gigabit Ethernet(GE) / Frame Relay(FR)
• ?? LAN?? ??? ????? ??? ??(SAR, ????)?? ???
• IP??? GE?????? ??? ??? SDH?????? ??
• ??? GE??? ?? ? ????(? 25)? ?? SDH ?? ??? ??

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IPoS???? ??
IP? ???? ??

• PPP Encapsulation
• PPP in HDLC-like Framing
• SONET/SDH Frame

PPP
IP Packet
Pad
Protocol
12 bytes 01500bytes
HDLC-like
Information
Adrs
CRC
Cntl
Flag
Flag
7E FF 03
24bytes 7E
STM-N
O v e r h e a d
Protocol 03 Network Layer Protocol 47 Low
Volume Traaic 8B Network Control Protocol CF
Link Layer Protocol
VC-4c Payload
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SDL(Simple Data Link) ??
IP? ???? ??

• Lucent Technology??? ??? ????
• ??? ??( IETF, Bellcore, T1X1, OIF) ?? ?????? ?? ?
• IP over SDH? ??? ??
• ?? BER??? ?? ???
• ?? ?? ?? ???
• IP over SDH, IP over Fiber? ? ??
• CRC-16?? ??? ??

Packet Length
..
Packet Length
Packet..
CRC-16
Packet
SDL ???
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Fast-IP? ??
IP? ???? ??

• FAST(Framed ATM over SDH/SONET Transport) - IP
• ATM Forum? ?? 1999? ??? ??? ?? ??
• IP?? ???? ????? ATM?? ?? ???? ??
• DiffServ(Differentiated Services) ??? ATM??? ??
• Guaranteed Frame Rate Service? ???? TM v4.1??
• ? ??? IP ?? ATM? ??? ??
• QoS ??
• VC??? ???? ??? ??
• ??? ? ?????
• Bandwidth on Demand
• ???? ??
• ATM??? 4?????? 64K??? ????? ?? ??
• ?? ATM??? ??? backward compatibility??
• ?? ??? ?? ?? ? ??? ??

16
OIF(Optical Interworking Forum)? ????
IP? ???? ??

• Optical Interworking? ?? Open Forum
• ?????, ?????, ?????? ??? ??? ???? ????
• ?? ??????/??(ITU-T, ANSI, ATM Forum?)? ??? ??
• ??
• ????(Optical internetworks)? ?? ??
• ????? ?????? ?????
• ??? ? ??
• ????? OAMP
• ??? ?? ???? ??
• ?? ??
• SONET/SDH???? ?? IP??(POS Pack over SDH)
• 155M, 622M, 2.5G, 10Gb/s ? POS ??
• ??? ??? ?? ???? 10Gb/s ?? ??
• SONET/SDH ?? ???? ??
• ?? ??? ?? ???
• IETF? ??? ?? ??? ??

17
IP/Fiber Mapping??? ??
IP? ???? ??
IPv4/v6
PPP
ATM
ATM
HDLC Like
Ethernet
SDL
SDH
SDH
SDH
Fiber(WDM)
(IPoS) ????? ?? ?? PTMP?? ?????
(IPoA over SDH) ?? ??? ATM Signalling Cell Tax ??
OAMP
(PPP over SDH) ?? ??? PTP?? BER? ?? ?? ???
(IPoW) ????? ???? PTP?? ??????
(IPoA) ATM Signaling Cell Tax ???OAMP
18
? ???? ??(Premises Interface)
?????
??? ??
?? Premises Interfaces? ?? WAN? ? ??? ??
Data Equipment
Optical Bandwidth Management
??? ?? ???? Premises Interfaces
DWDM Transmission
To WAN (Wide Area Network)
19
?? ???? ??
?????
???
?? ???
Network-oriented
User-oriented Network with Enhanced flexibility
Direct Photonic Connection (Photonic Transport)
Multihop Connection (Node-by-Node Electrical
processing)
Store and forward
Non- Storage
Passive Node (Wavelength Routing
Active Node
Network is closed
Network is open
?????
???? ????
20
??? ?? ???? ??
?????
???
?? ???
Photonic Transport Router
Photonic Transport Router
Edge Network
IP
ATM
Core Network
SDH
PDH
Backbone IP Router
SDH
ATM
Simple high Quality Network - Large
Throughput - Minimum Delay - Optical Layer
Restoration - Carrying Different Signal Formats
21
WDM ???? ??
?????

• ???? ??? ? Spectral Window
• 1550nm? EDFA ??? ?? ??? ??
• 1310nm? ??? ????(Metropolitan, Campus?)
• 850nm ? ??? ???? (Metropolitan, Campus?)
• 1550nm ???? ???
• DSF(Dispersion Shifted Fiber)
• NDSF(No Dispersion - SMF)
• NZDSF(Non-Zero DSF)
• Laser
• ?? ?? ????? ??? ??? ?? ??? ???
• ?? ?? ?? ???? ?? ???
• ?????? ??? ????
• ? ??? ??? Out band ?? ?? ??
• ????
• EDFA C-band(1530-1560nm), L-band(1570-1600nm)
• Tellulite / Flouride ?????? ?.?? ? ??? ??? ?? ??

22
WDM ???? ? ??
?????

• OADM
• OXC
• ????

WDM
WDM
Add/Drop SW
DeMUX
MUX
Ramdas
WDM
WDM
Optical SW
DeMUX
MUX
Add-Drop Ramdas
?/? ?? (????)
3R (?? ??)
WDM
?/? ?? (????)
WDM
( )? ??????
23
????? ??(2000?? ?)
?????
OADM
IPoW
STM/SDH
????? Terabit Router MPLS SW Optical Packet
SW Access Network
?? ??? SDH MUX Router Access Network ATM
SW Leased Line
Optical Networking
GE/FC
ATM/SDH
OXC
OXC
IPoS
IPoS

• Add-drop
• Routing
• Switching

IPOA
ATM
Any Type Optical
OADM
Open Optical Interface
IPoW IP over WDM IPoS IP over SDH IPoA IP
over ATM G.E. Gigabit Ethernet FC Fiber
Channel
24
???? ? ???(Optical Internet)? ??(?1)
Optical Internet

• ? ????? ?
• ??? ??? ???? ??? ??? ?? ??? ???? ??? ?? ???
  ???? ???? ???
• ? ???? ?? ??(?)
• ??? WDM? ??, ??? ???? ?? ???? ?? ??
• ??? ???? ??? ??? ?? ?? ??? ????? ??
• ??? ???? ????? ?? ??? ???? ??? ??

???? SDH??
???? SDH??(??)
Working Line
?? ?? ??? ????? ??? 11 ?? ???? ??
WDM
WDM
???(???)
3 x STM-N TX 2 x STM-N RX
Protection Line
????? ?? ??? ?????? ??? ???, ?? ??
???? ???? ???? ??
25
???? ???? (Optical Internet) ??(?)
Optical Internet

• ??? ???? ???? SDH???? ?????
• 2?? ???? ????
• ??? A ?? ????? By pass, Cut thru? ??? ?????
  ??
• ??? B ???? Hop by hop??? ? ?? ??? ??? ??

WDM MUX
???????
DCS
Working Fiber
Working Fiber
Router
To Local GigaPOP (ATM, SDH, WDM)
To Local GigaPOP (ATM, SDH, WDM)
WDM MUX
Transponder
Rege- nerator
Protection Fiber
Protection Fiber
????? ????
26
????(Optical Internet) ??(? 2)
Optical Internet

• Packet over SDH
• ???? ????
• PTP??
• ?? ?? ??
• ???? high-fill low-mesh??
• ?? ???? ??
• ?? ??? ?????
• Ethernet over SDH
• ???? ????
• ?? ?? ??
• ??? ?????
• ??? ??????? ?? ???
• ?? full-mesh??
• ???? ? ??

Layer 3 Router
Layer 2 IPoS
Layer 1 SDH-ADM
Packet over SDH
Ethernet over SDH
Layer 3 Router
Layer 2 EoS
Layer 1 SDH-ADM
27
????(Optical Internet) ??(? 3)
Optical Internet
DWDM Mesh
National Network
To Commercial Internet(ISP)
IP or ATM Switch
IP over ATM
Regeional Network
ADM
HDWDM Ring
SDHRing
WDM Ring
ADM
IP over WDM
IP over SDH
PSTN Network
Gigabit Ethernet Switch
GigaPOP Router
28
?? OXC(Optical Cross-Connect)
Optical Internet

• ???? ???? ??? ??? ?? ??
• ???? 2010?? ?? ? ??? ? 162T? ??? ??
• Optical dynamic routing ? ?? ??? ?? ??? ??
• ?? ??? ??? ???? ?? ? ??? ???
• ?? ??? ?? ??? ??(Optical full Mesh)
• ? ??? ????? ????? (Optical SHM) ??
• ? ?? ??? ??? ??? ?? ? ??? ??
• PDH, SDH, ATM ??? ?? ? ?? ??
• IPoW, IPoS, IPoA, Gigabit Ethernet? IP? ? ?? ??
• User/Private ? ?? ? ?? ??
• Photonic Network? One Point ???? ??
• ?? ??? ??? ??
• ?????? ??????
• ?? ??? DXC??? ???? ?? ??
• ???? ??? ??? ? ?? OXC ??

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?? OADM(Optical Add-Drop Mux)
Optical Internet

• 2000?? ?? ??Giga?Tera ? ?? ???? ????
• ??? ???? ? ???? 05?? 2T, 10?? 16.2Tb/s? ??
• ??? ??? ? ???? 05?? 200G, 10?? 1.5Tb/s? ?? ??
• ??? ??? ????? 05?? 3.2T, 10?? 24.5Tb/s? ?? ??
• ???? ??? 30? ??, ??? 20? ??? ?? ?? ??
• ??? 10 ????? ???? ? (3 Mnlti-ring) ??
• ??? 5 ?? ??? ??? (4 Multi-mesh) ??
• ?? ????? ?? ??? ??? 3, ???? 0.5 ?? ???
• ??? 05?? 200G x 10 2 Tb/s? ?? ??? ??
• ??? 10?? 24.5T / 5 4.9Tb/s ??? ??? ??
• ??? Intra/Inter - Backbone Network ??
• ??? ??? WDM??
• ?? ??? ??? WDM-ring, WDM-linear, SDH-ring
• ???, ? ???, ??? ?? ??? ??
• ???, ???, ??? ?? Optical multi-drop ?
• ???? ??? ?? ??? ???(Optical SHR)

30
WDM ??? ?? ??(99.6.??)

• OADM
• Lucent OLS-400G, 10G 40??, 2.5G 80???,
  Wavewrapper??, 99? ??
• Corvis 400G-DWDM, 2.5G 160??, 10G 40??, 3,200Km
  ????? ??
• Hitachi AMN-6100, 10G 32??(320G?), ??
• Pirelli WaveMux SMF, DSF, LSF, LEAF, TrueWave
  ??? 500Km ????
• Pirelli ATT Labs 40G 4??(160G?)? 75Km SMF??
  ??, 10G 32??(320G)? 375Km ???? ?
• Nortel 160G-DWDM, 10G 160??(1.6Tb/s?), 2000? ???
• Bell Labs WaveStar-40G, 40G 40??(1.6T?),
  TrueWave RS OF, ?? ????, Prototype ??
• Ciena 2T-WDM, 10G 200??(2.5G, 622M ?? ??), 2000?
  ??
• OXC
• Alcatel 1650 OXC, Optical Gateway Manager,
  ???????, 2000? ??
• ??????? ?? 4x4 OXC ????
  ????(Supercomm99)
• Nortel OPTera Connect DX, 9212 STS-1(500G),
• OPTera Connect HDX 10G - 40G
  Wavelength ???, 2000? ??
• Tellium Aurora-512 OXC, 2.5G x 512??
  (1.28Tb/s?), ????
• ASARTE TI 72 x 72 OXC ??, MEMS(Micro
  Electromechanical System)