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Bexar networkdesign

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Nicira Networks

Nicira Networks

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    Bexar networkdesign Bexar networkdesign Presentation Transcript

    • OpenStack  Networking  Service   11/10/2010  
    • Goals   •  Networking  as  a  first  class  service  that  can  ;e  together   network  “endpoints”  from  different  services.     •  Provide  flexibility  in  networking  implementa;ons  with   plug-­‐ins  that  implement  a  generic  network  interface:     –  Network  segmenta;on/provisioning   –  IP  address  management   –  Business  logic  to  determine  what  customers  are   allowed  to  configure  with  networking.    
    • Scope   •  Network  service  only  manages  connec;vity  +   addressing,  which  are  shared  across  services.   •  Compute,  Firewalls,  Load  Balancers,  VPN,  etc…   should  be  separate  services,  and  would   consume  the  networking  service.  
    • Why?   •  Why  1st-­‐class  service?     –  Cloud  is  about  orchestra;ng  all  kinds  of  services,  not  all  will  be   provided  by  compute  VMs.      Network  must  be  able  to  ;e   together  all  such  services.       –  Single  integra;on  point  for  networking  logic,  instead  of  having  to  do  it   in  each  service.   •  Why  plug-­‐in  design?   –  Want  to  incorporate  “best-­‐of-­‐breed”  networking  solu;ons  that  solve   cloud  networking  challenges.    Best  solu;on  may  depend  on  provider.     –  How  and  to  what  degree  customers  can  manipulate  networking  will   depend  on  provider.    Need  customer-­‐aware  “business  logic”  to   manage  things  network  crea;on,  network  associa;ons,  IP  addresses.  
    • Use  Case  Examples   •  Private  tenant  network  with  VPN  network   connec;on.     •  Firewall  service  with  interface  on  public   interface  and  interface  on  a  private  tenant   network.     •  Mul;-­‐;er  web  applica;on,  web  VMs  have  two   interfaces,  one  on  public,  one  on  private   backend  network  with  DB  servers.      
    • High-­‐level  Interac;ons   Customer  APIs   Generic  Network  API   Network  Plugin(s)   Compute  Service   Network  Service   LB  Service   Talks  to   Talks  to  Network  Devices   Talks  to  LB  Nodes   Compute  Nodes   (vSwitches,  physical  switches,  etc.)  
    • What’s  Next?   •  This  is  a  long-­‐term  project.    Want  to  get   started  during  Bexar.       •  Plan  to  create  group  of  interested  par;es  for   detailed  designed  discussions,  coordina;ng   coding.       •  First  goal  will  be  to  implement  exis;ng   OpenStack  nova  networking  func;onality  as   “default  plugins”.      
    • Example  Model