Mamiriro ekushandisa kweOTN

OTN nePTN
Zvinofanira kutaurwa kuti OTN nePTN matekinoroji maviri akasiyana zvachose, uye kana tichitaura chokwadi, zvinofanira kutaurwa kuti hapana kubatana.
OTN inetwork yekufambisa ye optical, iyo yakashandurwa kubva kune tekinoroji yechinyakare yekuparadzanisa wavelength. Inonyanya kuwedzera basa rekushandura optical. Inogona kuita optical crossover kuburikidza nedata configuration pasina manual fiber jumpers. Kugadzikana kwekuchengetedza uye kushanduka kwenetwork kweWDM zvishandiso zviri kuvandudzwa zvikuru. Panguva imwe chete, network itsva yeOTN iri kuchinja zvishoma nezvishoma kuita bandwidth yakakura, zvidimbu zvakakura, uye dziviriro yakasimba.​​

PTN inetwork yekutakura mapaketi, inova chibereko chekubatanidzwa kwenetwork yekutakura nenetwork yedata. Protocol huru ndeye TMPLS, ine maIP layers mashoma uye mapaketi akawanda kupfuura network devices. Inogona kuita kuti network ishande uye dziviriro. Inetwork yedata yekirasi yecarrier (network dzedata dzechinyakare hadzigone kusangana nezvinodiwa zvecarrier-class). Bandwidth yekutumira yePTN idiki pane yeOTN. Kazhinji, bandwidth yeboka rePTN yakanyanya i10G, OTN single wave i10G, nzira yeboka inogona kusvika 400G-1600G, uye tekinoroji yazvino inogona kusvika single wave 40G. Ndiyo musimboti wenetwork yekutumira.

OTN neSDH, WDM

OTN yakavakirwa paWDM tekinoroji, kugona kweSDH kushanda, kugadzirisa, manejimendi uye basa (OAM) kwakasimba kunounzwa zvichibva pakukwanisa kwayo kutumirwa zvakanyanya. OTN inoshandisa FEC yakajairwa, ine mari yakawanda yekuchengetedza uye manejimendi, uye yakakodzera kune large-granularity service access FEC error correction coding, iyo inovandudza mashandiro ebit error uye inowedzera nguva yekutumira optical.

Mamiriro ekushandisa kweOTN

Network yeOptical Intelligent based OTN ichapa mhinduro yakanaka yekutumira masevhisi eBroadband ane granularity. Network yekufambisa inonyanya kuumbwa neinter-provincial trunk transport network, intra-provincial trunk transport network, uye metro (local) transport network. Network yekufambisa metro (local) inogona kukamurwa kuita core layer, aggregation layer uye access layer. Kana tichienzanisa neSDH, mukana mukuru wetekinoroji yeOTN ndeyekupa kuronga nekutumirwa kwe granularity bandwidth yakakura. Saka, kana uchishandisa tekinoroji yeOTN pane akasiyana network layers zvinoenderana nehukuru hwemain scheduling service bandwidth granularity. Zvichienderana nemamiriro ezvinhu aripo enetwork, main particles ecore layer scheduling yeinter-provincial trunk transmission network, intra-provincial trunk transmission network uye metro (local) transmission network kazhinji Gb/s zvichikwira. Tekinoroji iri nani yeOTN yekuvaka.
Pakuunganidzwa uye mukana wekuwana network yekutakura yemuguta (yemuno), kana zvikamu zvikuru zvekuronga nguva zvasvika padanho reGb/s, tekinoroji yeOTN inogonawo kugadzirwa nenzira yakasarudzika.

1. Network yekutakura ma "trunk optical" yenyika Ne network nemasevhisi akavakirwa pa IP, kugadzirwa kwemasevhisi matsva uye kuwedzera nekukurumidza kwevashandisi ve broadband, traffic ye IP pa "trunk" yenyika yakawedzera zvakanyanya, uye kudiwa kwe "bandwidth" kwakawedzera zvakanyanya gore negore. WDM national trunk line inotakura masevhisi ePSTN/2G marefu, masevhisi e NGN/3G marefu, uye masevhisi eInternet national trunk line. Nekuda kwehuwandu hwakawanda hwemasevhisi ekutakura, WDM national trunk lines inoda kuchengetedzwa nekukurumidza kwe "bearer services". Mushure mekushandisa tekinoroji yeOTN, "bearer mode" ye "national trunk line IP pamusoro peOTN inogona kuita dziviriro yeSNCP, dziviriro yenetwork yakaita seSDH-like ring, dziviriro yeNETESH nedzimwe nzira dzekudzivirira network. Yakaderera zvikuru.

2. Network yekufambisa ma trunk optical mukati medunhu/dunhu. Ma router emukati medunhu/dunhu anotakura masevhisi pakati pemahofisi ari kure (NGN/3G/IPTV/mutsetse wakakosha wevatengi vakuru, nezvimwewo). Kuburikidza nekuvakwa kwenetwork yekutumira ma trunk optical yedunhu/dunhu, masevhisi ekutumira ma GE/10GE, 2.5G/10GPOS large-granularity anogona kuwanikwa; ma network e ring, ma complex ring network, uye ma MESH network anogona kuumbwa; network inogona kuwedzerwa kana uchida; Kuziva kuronga nekugadzikisa masevhisi e wavelength/sub-wavelength, uye kupa masevhisi emitsara yakatsaurirwa ye wavelength/sub-wavelength kune vatengi vakuru; zvakare kuona kutumira kwemamwe masevhisi akadai se STM-1/4/16/64SDH, ATM, FE, DVB, HDTV, ANY, nezvimwewo.

3. Network yekutakura magirazi emuno/nzvimbo. Pakati pe network yemuno, network yekutakura magirazi eOTN inogona kuita mabasa makuru e broadband pakati pe router yekubatanidza magirazi emuno, router yekubatanidza magirazi emuno C4 (regional/county center) uye router yepakati peguta. tumira. Nzvimbo yepamusoro ye router inonyanya kuve GE/10GE, uye inogonawo kuva 2.5G/10GPOS. Network yekutakura magirazi eOTN iri pakati pe metro core l.