How to Support Multi-AZs in NFV Services

JANOG50での登壇資料です

Transcript

1. Kento KAWAKAMi, Verda Network Development Team, LINE Corporation How to Support Multi-AZs in NFV Services
2. l  l   (Kento KAWAKAMi) l LINE Corporation l ITSC Network Development Team l  l 2019~LINE () DNS Service
   
    NAT Service, LB Service, Overlay NW
   
    ABOUT ME
3. Agenda • Our NFV Services • Multi-AZs Support Policy • How to support Multi-AZs in our NFVs • Conclusion
4. Our Services A C C B 4
5. Our Services: NFV A C C B 5
6. Our NFV Services: DNS DNS l DNS CacheDNS Auth  l IP ANYCAST
    6 IP ANCYAST
7. Our NFV Services: Load Balancer DNS l DNS CacheDNS Auth  l IP ANYCAST
     Load Balancer l L4LBL7LB  l L4LBIP ANYCAST
     7 IP ANCYAST
8. Our NFV Services: NAT DNS l DNS CacheDNS Auth  l IP ANYCAST  Load Balancer l L4LBL7LB  l L4LBIP ANYCAST  NAT l InternetNAT
    l NATD-PlaneIP ANYCAST  8 IP ANCYAST
9. • AZ$.- 
   :9%7  • Default 
   :9/, AZ:904  • # &86 :9  • '2
    3 AZ 5)+ • 1(
     AZ :9*  • '2 D-Plane"
   !#
    5) Multi-AZs Support Policy in NFV Services 9
10. Our NFV Services DNS l DNS CacheDNS Auth  l IP ANYCAST  Load Balancer l L4LBL7LB  l L4LBIP ANYCAST  NAT l InternetNAT
     l NATD-PlaneIP ANYCAST  10
11. Our NFV Services DNS l DNS CacheDNS Auth  l IP ANYCAST  Load Balancer l L4LBL7LB  l L4LBIP ANYCAST  NAT l InternetNAT
     l NATD-PlaneIP ANYCAST  11
12. DNS: Architecture VM !' l DNS. 
     & VM %+!$ l )# VM + HV 
     BGP / , l Full L3 
    !$ l VMHV-DNS VIP , l VM ( BGP Daemon*" 12
13. 13 JANOG48: Refresh DNS Infrastructure with Modern Datacenter Network
14. DNS: Multi-AZs Support(1/2) 2AZDNS%( ". l DNSVMA=  3E l AZ7> VM68 #'-   AZ),*.BGPD l DNS /32 VIP5C  l DNS$+&!B; 
    AZ?4F5C/> <1 9:0@ 14
15. DNS: Multi-AZs Support(2/2) 7AZDNS!(,#%2 l DNSVMPG 8T l AZ=I VM<A &+1  AZ- 0".2BGPS l DNS /32 VIP:R  l DNS'/)$QE 
    AZN9U:R3I F6 BD4O 15 Advertise same VIP CAZM VIP:R l AZ Down>?LJ5KHDNS Server Routing; l DNS!*#?@DNSL< Check 
16. • AZ,!( &-  ,!1 • Full L3 Network VIP
    %* • 
    '"$02 • BGP  #3)+ ./"$02 Multi-AZs Support in DNS 16
17. Our NFV Services DNS l DNS CacheDNS Auth  l IP ANYCAST  Load Balancer l L4LBL7LB  l L4LBIP ANYCAST  NAT l InternetNAT
     l NATD-PlaneIP ANYCAST  17
18. LB: Architecture L4LB l 
     l LB Prefix  l IP ANYCAST  L7LB l k8sPods l L4LB  18
19. • !!"" • LB DC$ !0,#/+NFV
     •
     (*) !2'%. • 
    " • LB DNS 1!- • 
    " " !
    #/+& LB: AZ Support Consideration Points 19
20. LB: Traffic Balancing(1/2) AZ>!( 8 !&(("
    ( 20 l DC,&#0- l '(/ 59 A:< l AZ3*  59 LBDown 4. =)AZBackendDB  l AZ> 
    $DB274. %
    Capacity+E?C l LB6;@1 
21. LB: Traffic Balancing(2/2) AZ!# (  0$
     21 l 
    AZ%/41 l ( AZ LB "+ ',53. 2*- l DC ) l Latency).&
22. AZ   
         Pros Cons • DCA !,7 % *6 • DCA @& "# /- • $AZ Capacity4? 2>8 • ' AZ LB(@ # "$ #+:*6 • AZ) ! 1$ 4? 2>
    • LB AZB05 !#  #;9 • LB =C#"$ # 2> • DCA !;9 • DCA @&"#$ /- .<3
    22
23. AZ   
         Pros Cons • DCA !,7 % *6 • DCA @& "# /- • $AZ Capacity4? 2>8 • ' AZ LB(@ # "$ #+:*6 • AZ) ! 1$ 4? 2>
    • LB AZB05 !#  #;9 • LB =C#"$ # 2> • DCA !;9 • DCA @&"#$ /- .<3
    23
24. LB: Service-in   l Old Network LB 
    l AZ LB
     
     24 
25. LB: Service-in $4 l Old Network LB%6+5  l AZ!# LB &3 /27+5  ) '  l %6&3(*1/ +0
    , 2. 1- l 1 LB 90Gbps"7 25
26. LB: Service-in $-&#9U l Old NetworkLB:XDV  l AZ68LB=T /27DV  B1? $-&#% $ l :X=T4AC1M) $$-&# DN
    F5RI 2QH l 1 LB- !90Gbps7Y 3<@ l NW"+(.,/>B3< l AZP$-&#S J;
    0K' /EWGL  26 AZP:X0O !*/' /
27. • VerdaNFVN+1). 4' • DNS • BGP IP ANYCAST • LB • BGP + L4 L702). •  +7).!"5$ ). • & * AZ4'*
    LINE/1%6-, • LINE"/1 (8 #34' Conclusion 27