Konvergenčno omrežje
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1 Konvergenčno omrežje Sašo Žbontar Telekom Slovenije, d. d.
2 Konvergenčno omrežje Živimo v digitalnem svetu marec 2017 Cisco Connect ortorož, Slovenija
3 Konvergenčno omrežje Uporabniške navade marec 2017 Cisco Connect ortorož, Slovenija
4 Konvergenčno omrežje Zakaj se je TS odločil za prenovo I/MLS omrežja? - 1 Rast prometa zahteva po vedno večjih pasovnih širinah Letna rast internetnega prometa v okviru 25% Letna rast VoD prometa večja od 70% Rast multicast prometa ITV, caa. 10% Skoraj 100% letna rast mobilnega podatkovnega prometa vpliv LTE Boljše mehanizme za zagotavljanje kakovosti storitev in večje pasovne širine (s čimer našim uporabnikom omogočamo kakovostne storitve) Višjo stopnjo zanesljivosti in razpoložljivost delovanja I omrežja (bistvenega pomena za naše poslovne uporabnike) marec 2017 Cisco Connect ortorož, Slovenija
5 Konvergenčno omrežje Zakaj se je TS odločil za prenovo I/MLS omrežja? - 2 Konvergenco mobilnega in fiksnega I omrežja Telekoma Slovenije, ki bo osnova za postavitev 5 generacije mobilnega omrežja. oenotena infrastruktura CAEX ter OEX del prenove Vzdržnost vlaganj na daljši rok (potrebe po pasovni širini) odpora wholesale storitvam - veleprodajni servisi Regulativne zahteve marec 2017 Cisco Connect ortorož, Slovenija
6 Tranzicija iz MLS 2.0 v 3.0 Obseg projekta Agregacija Jedro eer Storitvene točke omrežja TS I MLS Bistveni poudarki oenostavitev designa odpora velikim pasovnim širinam (jedro 100GE, ostalo 10GE in 1GE) Vzdržnost vlaganj in vzdrževanja na daljši rok V nadaljevanju bo večina prosojnic posvečena agregaciji marec 2017 Cisco Connect ortorož, Slovenija
7 INTERNET INTERNET EER EER EER EER INTERNET C7609 DISTRIBUCIJA 8 RAR C7609 E E E E C7609 AGREGACIJA 65 LAR C AGREGACIJA 67 LAR 9006 Tranzicija iz MLS 2.0 v marec 2017 Cisco Connect ortorož, Slovenija 9006 E + BRAS 9006
8 Tranzicija iz MLS 2.0 v 3.0 INTERNET Bolečina velikih pasovnih širin Internetni promet strujanje, potreba po cacherjih Multicastni promet ITV Unicastni promet VoD, Catch-Up TV EER EER STORITVE CACHE ITV VoD 9006 AGREGACIJA 67 LAR marec 2017 Cisco Connect ortorož, Slovenija
9 Tranzicija iz MLS 2.0 v 3.0 Osnovna izhodišča - 1 Obseg projekta -> 67 lokacij Zamenjava obstoječih C7609 usmerjevalnikov Združevanje fiksnega in mobilnega segmenta ovezave v jedru 100GE, nx10ge, 1GE in 10GE agregacija odpora Iv4 in Iv6, standardnim usmerjevalnim protokolom Konvergenca < 50 ms Razpoložljivost (carrier grade 99,999%) Fleksibilnost glede portov in pasovne širine Nova tehnologija -> OEX, CAEX vpliv 9006 EER INTERNET AGREGACIJA 67 LAR EER marec 2017 Cisco Connect ortorož, Slovenija
10 Tranzicija iz MLS 2.0 v 3.0 Osnovna izhodišča - 2 OAM podpora Y.1731, IEEE 802.1ag VLAN manipulacija značk (IEEE 802.1ad, USH, O, Rewrite tag) DHC snooping for Iv4 and Iv6 LAG podpora odpora hierarhičnemu QoS Ingress/Egress oblikovanje prometa L2 varnostni mehanizmi odpora BRAS funkcionalnosti INTERNET EER EER AGREGACIJA 67 LAR marec 2017 Cisco Connect ortorož, Slovenija
11 Tranzicija iz MLS 2.0 v 3.0 Osnovna izhodišča - 3 oslovni uporabniki L2 VN (WE/VLS) L3 VN (2, 2M (hub and spoke, full mesh)) Multicast Striktna podpora QoS hiararhični QoS Rezidenčni uporabniki VoI ITV, VoD Internet Wholesale podpora L2 VN L3 VN Mcast odpora mobilnemu segmentu Sinhronizacija IEEE 1588v2 (G.8275.x ), SyncE EER INTERNET EER 9006 AGREGACIJA 67 LAR marec 2017 Cisco Connect ortorož, Slovenija
12 Tranzicija iz MLS 2.0 v 3.0 Testiranje OC Interni verifikacijski dokument rotokolni testi (OSF, ISIS, BG,LD, BFD) Testi redundance (IG, MLS FRR) ISSU testi (In Service SW Upgrade) QoS testi (delay, jitter, packet loss,..) Testi posameznih servisov Internet L3VN L2VN VLS Multicast VoI E 9006 TS I MLS E 9006 E OC TEST BED IXIA ITV ROBE VoI ROBE MSAN ELAS RADIO STATION marec 2017 Cisco Connect ortorož, Slovenija
13 A/L A/L A/L A/L A9K-4T16GE STATUS!! FAN STATUS FAN STATUS A/L A/L A/L A/L A9K-4T16GE STATUS 19 18!! LINK ACO LAM TEST SSD CRIT FAIL MAJ ACO MIN SYNC R-SE 1 LINK ACO LAM TEST SSD CRIT FAIL MAJ ACO MIN SYNC R-SE 1 Tranzicija iz MLS 2.0 v Series Carrier Grade Design OEN LASER CLASS 1 LASER CLASS 1 CLASS 1 LASER SYNC 0 SYNC 1 CLASS 1 LASER SYNC 0 SYNC 1 SF+ 0 SF+ 0 ULINKS 10MHz 1S IEEE 1588 nv Sync0 nv Sync1/TOD GS INTERFACE 10MHz 1S IEEE 1588 nv Sync0 nv Sync1/TOD GS INTERFACE ALARM OUT ALARM OUT MGT LAN0 MGT LAN1 CONSOLE AUX ACTIVITY MGT LAN0 MGT LAN1 CONSOLE AUX ACTIVITY 90XX E FC FAULT FC FAULT! HIGH SEED MOVING BLADES FAN! HIGH SEED MOVING BLADES FAN OERATER MSAN ELAS RADIO STATION marec 2017 Cisco Connect ortorož, Slovenija
14 Tranzicija iz MLS 2.0 v marec 2017 Cisco Connect ortorož, Slovenija
15 Tranzicija iz MLS 2.0 v 3.0 odatki omrežnega Inventarja C7609 Konfiguracija C7609 Konfiguracija 900x 90xx marec 2017 Cisco Connect ortorož, Slovenija
16 Tranzicija iz MLS 2.0 v 3.0 ostopek migracije 1 C7609 C xx marec 2017 Cisco Connect ortorož, Slovenija 2 90xX
17 odpora poslovnim uporabnikom Carrier Ethernet (CE) po standardu CE2.0 Carrier Ethernet je WAN tehnologija za L2 storitve, naprave in omrežja odprta je s standardizacijo pod okriljem MEF (Metro Ethernet Forum) Glavne značilnosti: Standardizirane storitve - E-Line, E-LAN, E-Tree in E-Access omogočajo združljivost (interoperability) med ponudniki in napravami Razširljivost - visoke hitrosti, dodajanje razredov storitev, dodajanje vmesnikov, globalno povezovanje Zanesljivost doseganje stabilnosti SDH omrežij, stalen nadzor povezljivosti in kvalitete storitev (nadzor SLA parametrov) Upravljanje storitev standardiziran kontrolni sloj, ki omogoča enostavno konfiguracijo in diagnosticiranje, uporabnikom pa vpogled v delovanje storitev Kvaliteta storitev možnost zagotavljanja optimalnih transportnih pogojev za vsako storitev posebej glede na njene karakteristike in zahteve marec 2017 Cisco Connect ortorož, Slovenija
18 odpora poslovnim uporabnikom Carrier Ethernet (CE) po standardu CE2.0 Glavne lastnosti CE: Certifikat MEF 2.0 OAM nadzor storitev po standardu Y.1731 Testni generator po standardu Y.1564 za aktivacijo storitev Kreiranje MAC swap zank Glavne lastnosti centralnega nadzora: Grafični nadzor in upravljanje Kreiranje in nadzor storitev Service Activation test in poročilni sistem erformance Management meritve in poročilni sistem SLA web portal za uporabnike marec 2017 Cisco Connect ortorož, Slovenija
19 odpora poslovnim uporabnikom Carrier Ethernet (CE) po standardu CE2.0 rednosti za uporabnike Storitve z točno definiranimi parametri hitrosti in SLA (izguba paketov, kasnitve, spreminjanje kasnitev) Možnost vpogleda v delovanje storitev preko web portala Standardizirane meritve vzpostavljenih storitev (Y.1564) dokazilo o prometnih in SLA lastnostih povezave Y marec 2017 Cisco Connect ortorož, Slovenija
20 odpora poslovnim uporabnikom Carrier Ethernet (CE) po standardu CE2.0 Ethernet OAM (Operation, administration and maintenance) za ethernet omrežja po Y.1731 CFM - IEEE 802.1ag Connectivity Fault Management EFM - IEEE 802.3ah (clause 57) Ethernet in the First Mile Ethernet Link OAM (also referred as OAM, Link OAM, or Ethernet in the First Mile (EFM) OAM) - ITU-T Y.1731 OAM functions and mechanisms for Ethernet-based networks - MEF E-LMI (Ethernet Local Management Interface) E-LMI - User to Network Interface (UNI) Link OAM - Any point-to-point link CFM - End-to-End UNI to UNI MLS OAM - within MLS cloud marec 2017 Cisco Connect ortorož, Slovenija
21 odpora poslovnim uporabnikom Carrier Ethernet (CE) po standardu CE2.0 Ethernet OAM definicija pojmov NNI Network to Network Interface UNI User to Network Interface ME Maintenance Entity MEG ME Group ME MEG End oint MI MEG Intermediate oint marec 2017 Cisco Connect ortorož, Slovenija
22 Sinhronizacija v I omrežjih Način sinhronizacije Brez sinhronizacije Frekvenčna sinhronizacija (Frequency) Fazna sinhronizacija (hase) Časovna sinhronizacija (Time) marec 2017 Cisco Connect ortorož, Slovenija
23 Sinhronizacija v I omrežjih Zahteve 1 Distribucija ure po omrežju CLOCK marec 2017 Cisco Connect ortorož, Slovenija
24 Sinhronizacija v I omrežjih Zahteve marec 2017 Cisco Connect ortorož, Slovenija
25 Sinhronizacija v I omrežjih Standardi v TDM svetu: marec 2017 Cisco Connect ortorož, Slovenija
26 Sinhronizacija v I omrežjih Stanje standardizacije - 1 SyncE standardiziran od 2008 IEEE standardiziran leta 2002 IEEE1588v2 standardiziran leta 2008 IEEE1588 Telecom profile (ITU-T) Telecom profile for Frequency G objavljen 2010 Telecom profile for Time G objavljen 2014 Telecom profile for Time G v delu CLOCK marec 2017 Cisco Connect ortorož, Slovenija
27 Sinhronizacija v I omrežjih Stanje standardizacije marec 2017 Cisco Connect ortorož, Slovenija
28 Sinhronizacija v I omrežjih IEEE1588v2 protokol Vloga omrežnega elementa OC Ordinary Clock BC Boundary Clock TC Transparent Clock OC CLOCK BC CLOCK marec 2017 Cisco Connect ortorož, Slovenija TC CLOCK
29 Sinhronizacija v I omrežjih Uporaba 1588 Na kaj je potrebno paziti: odpora na poti (TC ali BC) Na QoS podporo/konfiguracijo Na variranje zakasnitev DV (acket Delay Variation) CLOCK QoS, DV marec 2017 Cisco Connect ortorož, Slovenija
30 DoS/DDoS ali onemogočanje marec 2017 Cisco Connect ortorož, Slovenija
31 SMT 9% DNS 10% Web 24% TC Other 3% 7% VoI TC - 4% SYN Flood 35% Iv6 UD 3% ICM 5% Vir: Radware Security Report marec 2017 Cisco Connect ortorož, Slovenija
32 V TS največji zabeleženi napad je bil na hčerinsko firmo v velikosti 23Gbps marec 2017 Cisco Connect ortorož, Slovenija
33 marec 2017 Cisco Connect ortorož, Slovenija
34 marec 2017 Cisco Connect ortorož, Slovenija
35 Slika prikazuje način obrambe proti DDoS Analiza -> Detekcija -> Izločanje lažnega I prometa Vir: Radware marec 2017 Cisco Connect ortorož, Slovenija
36 Na sliki je prikazana omrežna infrastruktura, ki v TS omogoča čiščenje zlonamernega I prometa Flow Collector 2 1 INTERNET EER EER IXIA 3 Defensero V modri barvi je prikazan običajni prometni tok V rdeči barvi tok prometa v primeru čiščenja Vir: Telekom Slovenije, d.d AGREGACIJA 67 LAR marec 2017 Cisco Connect ortorož, Slovenija
37 marec 2017 Cisco Connect ortorož, Slovenija Vir: Interni podatki TS
38 INTERNET IXIA Flow Collector 1 EER EER 3 2 Defensero A S R AGREGACIJA 67 LAR A S R Vir: Telekom Slovenije, d.d marec 2017 Cisco Connect ortorož, Slovenija
39 Konvergenčno omrežje povzetek renova agregacijskih, jedrnih in peering omrežnih elementov v TS Nova I/MLS V3.0 infrastruktura omogoča boljše mehanizme za zagotavljanje kakovosti storitev in večje pasovne širine (s čimer našim uporabnikom omogočamo bolj kakovostne storitve) višjo stopnjo zanesljivosti in razpoložljivost delovanja I omreža (posebej pomembno za poslovne uporabnike) konvergenco mobilnega in fiksnega I omrežja Telekoma Slovenije, ki bo osnova za vzpostavitev 5 generacije mobilnega omrežja V okviru prenove smo posodobili sisteme za začasno shranjevanje vsebin s čimer našim uporabnikom omogočamo boljšo uporabniško izkušnjo Varnostna utrditev I/MLS infrastrukture. oudarek vsekakor na sistemski DDOS zaščiti (ponujamo tudi kot upravljano storitev) Sodelovanje na varnostnem področju z našimi globalnimi partnerji (ponudniki Internetnih storitev) marec 2017 Cisco Connect ortorož, Slovenija
40 Konvergenčno omrežje povzetek Vprašanja? marec 2017 Cisco Connect ortorož, Slovenija
41
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