5G le Network Slicing
Ha 5G e boleloa haholo, Network Slicing ke theknoloji e buuoang ka ho fetisisa har'a bona.Basebelisi ba marang-rang ba kang KT, SK Telecom, China Mobile, DT, KDDI, NTT, le barekisi ba lisebelisoa tse kang Ericsson, Nokia, le Huawei kaofela ba lumela hore Network Slicing ke mohaho o nepahetseng oa marang-rang bakeng sa mehla ea 5G.
Theknoloji ena e ncha e lumella basebelisi ho arola marang-rang a mangata a ho qetela ho ea ho qetela mohahong oa lisebelisoa tsa hardware, 'me e' ngoe le e 'ngoe ea Network Slice e arotsoe ka mokhoa o utloahalang ho tloha sesebelisoa, marang-rang a ho fihlella, marang-rang a lipalangoang le marang-rang a mantlha ho kopana le litšobotsi tse sa tšoaneng tsa mefuta e sa tšoaneng ea litšebeletso.
Bakeng sa Karolo e 'ngoe le e' ngoe ea Marang-rang, lisebelisoa tse inehetseng tse kang li-server, marang-rang a marang-rang, le boleng ba tšebeletso li tiisitsoe ka botlalo.Kaha lilae li arohane ho tloha ho tse ling, liphoso kapa ho hlōleha selae se le seng ho ke ke ha ama puisano ea lilae tse ling.
Hobaneng 5G e hloka Network Slicing?
Ho tloha nakong e fetileng ho ea ho marang-rang a hajoale a 4G, marang-rang a mehala a sebeletsa haholo mehala ea thekeng, 'me ka kakaretso a etsa ntlafatso e itseng bakeng sa mehala ea thekeng.Leha ho le joalo, mehleng ea 5G, marang-rang a mehala a hloka ho fana ka lisebelisoa tsa mefuta le litlhoko tse fapaneng.Bongata ba maemo a ts'ebeliso a boletsoeng a kenyelletsa mobile broadband, iot e kholo, le mission-critical iot.Kaofela ba hloka mefuta e fapaneng ea marang-rang 'me ba na le litlhoko tse fapaneng tsa ho tsamaea, ho bala libuka, ts'ireletso, taolo ea maano, latency, botšepehi joalo-joalo.
Ka mohlala, ts'ebeletso e kholo ea iot e kopanya li-sensor tse tsitsitseng ho lekanya mocheso, mongobo, pula, joalo-joalo.Ntle le moo, lits'ebeletso tsa bohlokoa tsa mission tse kang ho khanna ka boits'oaro le taolo e hole ea liroboto li hloka latency ea ho qetela ea li-milliseconds tse 'maloa, tse fapaneng haholo le lits'ebeletso tsa marang-rang tsa mobile.
Maemo a mantlha a Kopo ea 5G
Na see se bolela hore re hloka marang-rang a inehetseng bakeng sa tšebeletso ka 'ngoe?Mohlala, e mong o sebeletsa mehala ea 5G ea mehala, e mong o sebeletsa 5G e kholo ea iot, 'me e mong o sebeletsa 5G mission critical iot.Ha ho hlokahale, hobane re ka sebelisa marang-rang a marang-rang ho arola marang-rang a mangata a utloahalang ho tloha marang-rang a fapaneng a 'mele, e leng mokhoa o theko e boima haholo!
Litlhoko tsa Kopo bakeng sa ho Slicing Marang-rang
Selae sa marang-rang sa 5G se hlalositsoeng pampiring e tšoeu ea 5G e lokollotsoeng ke NGMN e bontšitsoe ka tlase:
Re kenya ts'ebetsong joang-to-end Network Slicing?
(1) 5G marang-rang a marang-rang a marang-rang le marang-rang a mantlha: NFV
Marang-rang a kajeno a mohala, sesebelisoa se seholo ke mohala oa thekeng.RAN (DU le RU) le mesebetsi ea mantlha e hahiloe ho tsoa ho lisebelisoa tsa marang-rang tse inehetseng tse fanoeng ke barekisi ba RAN.Ho kenya ts'ebetsong ho arola marang-rang, Network Function Virtualization (NFV) ke ntho e hlokahalang.Ha e le hantle, mohopolo oa mantlha oa NFV ke ho tsamaisa software ea ts'ebetso ea marang-rang (ke hore MME, S/P-GW le PCRF ka har'a sephutheloana sa pakete le DU ho RAN) kaofela ka mechini e fumanehang ho li-server tsa khoebo ho fapana le ka thoko ho tse inehetseng tsa bona. lisebelisoa tsa marang-rang.Ka tsela ena, RAN e tšoaroa e le leru le ka thōko, ha mosebetsi oa mantlha o nkoa e le leru la mantlha.Khokahano lipakeng tsa VMS e pheletsong le lerung la mantlha e lokisoa ho sebelisoa SDN.Ebe, selae se etsoa bakeng sa ts'ebeletso ka 'ngoe (ke hore selae sa mohala, selae se seholo sa iot, selae sa bohlokoa sa mission, joalo-joalo).
Mokhoa oa ho kenya tšebetsong e 'ngoe ea Network Slicing(I)?
Palo e ka tlase e bonts'a hore na ts'ebeliso e 'ngoe le e' ngoe e ikhethileng ea ts'ebeletso e ka etsoa joang le ho kenngoa selae ka seng.Ka mohlala, slicing e ka hlophisoa ka tsela e latelang:
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(2) Ho seha mohala: ho etsa li-cores tsa 5G (UP le CP) le li-server tsa IMS tse nang le bokhoni bo felletseng ba ho tsamaea lerung la mantlha.
(3) Iot slicing e kholo (mohlala, marang-rang a li-sensor) : Ho bona motheo o bonolo le o bobebe oa 5G ka har'a leru la mantlha ha ho na bokhoni ba ho tsamaisa motsamao.
(4) Ho seha li-iot tse bohlokoa haholo: Virtualizing 5G cores (UP) le li-server tse amanang (mohlala, li-server tsa V2X) ka har'a leru la moeli bakeng sa ho fokotsa latency ea phetisetso.
Ho fihlela joale, re hloka ho etsa lilae tse inehetseng bakeng sa lits'ebeletso tse nang le litlhoko tse fapaneng.'Me lits'ebetso tsa marang-rang li behiloe libakeng tse fapaneng selae ka seng (ke hore, leru kapa leru la mantlha) ho latela litšobotsi tse fapaneng tsa ts'ebeletso.Ho phaella moo, mesebetsi e meng ea marang-rang, e kang ho lefella, ho laola leano, joalo-joalo, e ka 'na ea hlokahala likarolong tse ling, empa eseng ho tse ling.Basebelisi ba ka khetha mokhoa oa ho seha marang-rang ka tsela eo ba e batlang, 'me mohlomong e le mokhoa o theko e boima haholo.
Mokhoa oa ho kenya tšebetsong e 'ngoe ea Network Slicing(I)?
(2) Ho arola marang-rang pakeng tsa bohale le leru la mantlha: IP/MPLS-SDN
Software e hlalosang marang-rang, le hoja e le khopolo e bonolo ha e qala ho hlahisoa, e ntse e rarahana le ho feta.Ho nka mofuta oa Overlay e le mohlala, thekenoloji ea SDN e ka fana ka khokahanyo ea marang-rang pakeng tsa mechine ea sebele ho lisebelisoa tsa marang-rang tse teng.
Qetello-to-qetellong Network Slicing
Ntlha ea pele, re sheba mokhoa oa ho etsa bonnete ba hore marang-rang a marang-rang pakeng tsa leru le bohale le mechine ea mantlha ea leru e sireletsehile.Marang-rang pakeng tsa mechini ea sebele e hloka ho kengoa ts'ebetsong ho latela IP/MPLS-SDN le Transport SDN.Ka pampiri ena, re tsepamisa maikutlo ho IP / MPLS-SDN e fanoeng ke barekisi ba router.Ericsson le Juniper ka bobeli li fana ka lihlahisoa tsa meralo ea marang-rang ea IP/MPLS SDN.Ts'ebetso e fapane hanyane, empa khokahano lipakeng tsa VMS e thehiloeng ho SDN e ts'oana haholo.
Ka har'a leru la mantlha ho na le li-server tse fumanehang.Ho hypervisor ea seva, tsamaisa vRouter/vSwitch e hahiloeng.Molaoli oa SDN o fana ka tlhophiso ea kotopo lipakeng tsa seva e ntlafalitsoeng le router ea DC G/W (router ea PE e etsang MPLS L3 VPN setsing sa data sa leru).Theha lithanele tsa SDN (ke hore, MPLS GRE kapa VXLAN) lipakeng tsa mochini o mong le o mong (mohlala, 5G IoT core) le lirutha tsa DC G/W ka har'a leru la mantlha.
Molaoli oa SDN ebe o laola 'mapa lipakeng tsa lithanele tsena le MPLS L3 VPN, joalo ka IoT VPN.Ts'ebetso e ts'oana lerung le haufi, ho theha selae sa iot se hokahaneng ho tloha lerung le haufi le mokokotlo oa IP/MPLS ho ea fihla lerung la mantlha.Ts'ebetso ena e ka kengoa ts'ebetsong ho ipapisitsoe le mahlale le litekanyetso tse seng li holile ebile li fumaneha ho fihlela joale.
(3) Ho arola marang-rang pakeng tsa bohale le leru la mantlha: IP/MPLS-SDN
Ho setseng hona joale ke marang-rang a fronthawall a mobile.Re ka khaola marang-rang a marang-rang a mehala joang pakeng tsa leru le bohale le 5G RU?Pele ho tsohle, marang-rang a pele a 5G a tlameha ho hlalosoa pele.Ho na le likhetho tseo ho buisanoang ka tsona (mohlala, ho hlahisa marang-rang a macha a ipapisitseng le pakete ka ho hlalosa bocha ts'ebetso ea DU le RU), empa ha ho na tlhaloso e tloaelehileng e entsoeng hajoale.Setšoantšo se latelang ke sets'oants'o se hlahisitsoeng sehlopheng sa tšebetso sa ITU IMT 2020 mme se fana ka mohlala oa marang-rang a fronhaul.
Mohlala oa 5G C-RAN Network Slicing ke Mokhatlo oa ITU
Nako ea poso: Feb-02-2024
