2) Dm_bt1002_e01 Otn Principle 30p

OTN Principle

V1.1

Contents     

OTN Overview Network Layer  Frame Structure Maintenance Signal Mapping for client Signal

!ackgroun" Personal IP Service

SDH/SONET i# mat&re ， '&t it i# not eno&(" $or tran#mi##ion)  Tran#mi##ion $or PDH 、 IP 、 Et"ernet

Internet

 Varia'le Varia'le *rote%tion and mana(ement

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E!P IP SN

Enterprise IP Service

IM

Ot"er#

 Promote 'andwidt" e$$i%ien% and inde*endent to #ervi%e

Ba#ed on *"#i%al laer, #&*ervi#ion $&n%tion i# not *ower$&l eno&("

#efinition for OTN 

OTN － Optical Transport Network 







#efine" $y %T&'T (.)*+ 、 (.*,) 、 (.*-, for optical transmission  inclu"ing $ot/ electrical an" optical layer an" pro0i"ing super0isi on  protection for all layers Optical signal is "enote" $y wa0elengt/ an" it can $e "ealt wit/ in unit of single wa0elengt/ or wa0elengt/ group OTN can reali2e signal transmission multiple3 routing selection monitor optical "omain an" it can guarantee t/e performance an" relia$ility OTN can support 0aria$le ser0ice an" protocols an" it is a tren" in t/e future SON4T5S#6

P#6

MPLS

 7TM  7TM ， 4t/ernet

Fi$er C/annel

OTN Virtual concatenation

%P

(FP

O#& Multiple3ing

Protocols for OTN from %T&'T     



(.)*1 OTN Frame (.)* (.)*+ + Syst Syste em Stru Struct ctur ure e (.)* (.)*8 8 9e: 9e:uest uests s an" Mo"el o"el (.)*; 4MS (.)* (.)*< < %nfo %nform rmat atio ion n Mo" Mo"el el for for o ptical N4 (.*-, %nterface

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(.*,) N4 Functions (.,<,.1P/ysical Layer C/aract ers (.== (.==; ; 9e:u 9e:ues ests ts for for Pro Prote tect ctio ion n (.=* (.=*1 1 Tec/ni c/ni:u :ue e 9e:u 9e:ues ests ts for for passi0e optical component (.==1'==8 Classification para meters tec/ni:ue re:uests test  application for O7

 7"0antages for OTN      

Transparent Transparent transmission 4ncapsulation for 0aria$le ser0ice &pgra"e for cross connection F4C Tan"em super0ision super0 ision Various O7M $ytes

9eali2ation for OTN   



To support T $its transmission #>#M is use" 8 ( $its interface?+.<(1-(;-( Transparent transmission for S#65SON4T 4T64 9N4T 7TM %P MPLS ， (FP S/ortest p/ysical layer stack for "ata ser0ices @%P5 T#M ⇒ OTN ⇒ Fi$erA

#isa"0antages for >#M ： 





Client signal @e.g. STM'N ($4A on wa0elengt/ "ir  ectly an" not powerful super0ision %n"irect super0ision an" comple3 system structur  e to monitor m onitor "ifferent ser0ice in "ifferent way To "eal wit/ particular signaling for "ifferent ser0ic e is impossi$le

Contents     

OTN O0er0iew Networ. Laer  Frame Structure Maintenance Signal Mapping for client Signal

Network Layer for OTN

%P5M %P5MPL PLS S 7TM

4T649N4T

Optical C/annel @OC/A  layer network OTM P/ysical Section @OPSnA

OTM'OTM'nr nB1

STM'N

%nterworking wit/ pre'OTN

STM'N

($4

Optical Multiple3 Section @OMSnA layer network Optical Transmission Section @OTSnA layer network Optical Transport Transport Mo"ule of or"er n @OTM'n n≥1A

Network Structure for OTN

9eference Mo"e in t/e >#M5OTN System

So So OC So So

OTS

Si

So

OTS

Si Si

OMS OCH

Si

Si OC

%nterface for OTN  

&ser to Network %nterface @&N%A Network No"e %nterface @NN%A  

%nter #omain %nterface @%r#%A %ntra #omain %nterface @%a#%A   $etween e:uipment of "ifferent 0en"ors @%rV%A   wit/in su$ network of one 0en"or @%aV%A Networ. O*erator B

+SE!  OTM +NI

Networ. O*erator  C

OTM NNI IaDI-IrVI OTM NNI IaDI-IaVI

Vendor 1

OTM NNI IaDI-IaVI

Vendor 2

OTM NNI IrDI

Mapping an" Multiple3 for OTM

Client Signal to OTM Client

r

0 ra * * e N o n -a #

   d   d OH   e    t   a   a   e    i OH   %   "   r   o  e   #   v   #   o     OH

OD+k 

5EC

OH OH

OCC     n      S       M      O      S      P      O     n

OC" Tran#*ort +nit OT+.4 O*ti%al C"annel OC"4

OT+. OCC

r" e a d

OC" Data +nit OD+.4

OP+k 

OH

# o % ia te d o v e

OC" Paload +nit OP+.4

Client

O*ti%al C"annel Carrier OCC4

OCC OPS6

    n      S     T      O

O*ti%al M<i*le7 Se%tion O*ti%al O*ti%al Tran#mi##ion Se%tion

OOS

OTM Over"ead Si(nal

OSC OSC

O*ti%al S&*ervi#or C"annel O*ti%al Tran#*ort Mod&le

O*ti%al P"#i%al Se%tion

9elations/ip for signal units in OTN

Function &nits for OTN 

OP& （ Optical C/annel Payloa" &nit ）： 



O#& （ Optical C/annel #ata &nit ）： 



client signal mapping 4ncapsulation for client signal protection for OTN trac e super0ision communication

OT& （ Optical C/annel Transport &nit ）  

OTN framing F4C communication Signal c/anging $etween client an" OCC

!its Spee" OT& type

OT& nominal $it rate

OT&1

+<<5+8) D + ;)) 8+- k$it5s

OT&+

+<<5+8* D , ,<8 +)- k$it5s

OT&8

+<<5+8= D 8, )18 1+- k$it5s

O#& type

O#& nominal $it rate

O#&1

+8,5+8) D + ;)) 8+- k$it5s

O#&+

+8,5+8* D , ,<8 +)- k$it5s

O#&8

+8,5+8= D 8, )18 1+- k$it5s

OP& type

OP& Payloa" nominal $it rate

OP&1

+ ;)) 8+- k$it5s

OP&+

+8)5+8* D , ,<8 +)- k$it5s

OP&8

+8)5+8= D 8, )18 1+- k$it5s

OT& $it rate tolerance +- ppm

O#& $it rate tolerance +- ppm

OP& Payloa" $it rate tolerance +- ppm

OT&k5O#&k5OP&k OT&k5O#&k5OP &k Frame Circle

O&T5O#&5OP& type

Circle

OT&15O#&15OP&15 OP OP&1'E0

;).,*1s

OT&+5O#&+5OP&+5 OP&+'E0

1+.1,1

OT&85O#&85OP&85 OP&8'E0

8.-8<

Contents     

OTN O0er0iew Network Layer  5rame Str&%t&re Maintenance Signal Mapping for client Signal

%ntro"uction to OTN Frame

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OT&k （ kG1 、 + 、 8 ） frame is compose" of OT&k o0er/ea" O#&k frame an" OT&k F4C an" it is ;D;-)OT&k /as same frame structure $ut "ifferent frame fre:uency OT&k frame inclu"es ;H;-)-G1=8+- $ytes t/ey are sent in or"er from left to rig/t an" top to $ottom

O0er/ea" for OT&k

F7S % Frame 7lignment Signal MF7S % Multi'frame 7lignment Signal SM % Section Monitoring (CC- % (eneral Communication C/annel 94S % !its 9eser0e" for Future %nternational Stan"ar"i2ation

Frame Structure for O#&k 8

:

3

;

<

5S 5S

8 :

!ES

3

TCM3

9

9

GCC8

TCM CT

=

?

SM

M5S

TCM< TCM:

GCC:

>

88

8:

GCC6

TCM; TCM8

PS/PCC

86

TCM9 PM

83

89

!ES

8;

8<

8=

!ES @C

5T5L !ES @C

E1P

!ES

!ES @C PSI N@O

8 to 89 Col&mn# in :nd to 9t" !ow# $or OD+.

TCM? Tan"em Connection Monitoring   7CT?  7CT? 7cti0e @of TCMiA TCMiA  PM? Pat/ Monitoring   7PS5PCC ? 7uto 7uto Protection Switc/5Protection Switc/5Protection Com munication C/annel  !%P? !it %nterlea0e" Parity 

8'le0el Tan"em Monitor wit/ TCM





To monitor OTN signal o0er di$$erent o*ti%al networ. networ.  O#&k o0er/ea" pro0i"es <-level tandem monitor ITCM1'=J TCM1'= is similar to PM o0er/ea" 





Monitor TT% @Trace in"icationA !%P') !4% @9emote $its error in"icationA !#% @9emote "efect in "icationA. Ku"ge if t/e signal is maintenance signal @O#&k'LC ， O#&k'OC% ， O#&k'7%SA or not.

Tan"em monitor is reali2e" $y #ta%. or ne#tin( ne#tin( so super0ision can $e "one for se0eral optical network an" in any "omain wit/ O#& connection.

OP&k Frame Structure    8

8

5S 5S

OT+k   OH

: 3

   9    ;    :    :    >    >    3    3

   <   =    9   ;    8   8    8   8

   =   >

   H    O

Client Si(nal OP+ k Paload

       k

OD+k 

   +    P    O

   6    >    6    9

OT+k  5EC

9 





OP&k frame structure is a rectangle wit/ ;D8)1- an" locates in 1
OP&k O0er/ea" OP&k Payloa"

Common O0er/ea" !ytes for OTN  S#6

Common Maintenance Signal for OTN 

Maintenance signal for OT&k 



OT&k /as only one maintenance signal － OT&k'7%S

Maintenance signal for O#&k  





%nclu"ing? O#&k'7%S O#&k'OC% O#&k'LC O#&k'7%S con0erts all $ytes for O#&k to I1J e3cept O #&k'FTFL O#&k'OC% sen"s I-11--11-J repeate"ly in O#&k fram e an" it is "etecte" $y PM'ST7T an" TCMi'ST7T O#&k'LC sen"s I-1-1-1-1J repeate"ly in O#&k fram e an" it is "etecte" $y PM'ST7T an" TCMi'ST7T