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IP Possibilities - 2013 - IP Interconnection Panel (18-apr, 2013)
IP Possibilities - 2013 - IP Interconnection Panel (18-apr, 2013)
IP Possibilities - 2013 - IP Interconnection Panel (18-apr, 2013)
IP Possibilities - 2013 - IP Interconnection Panel (18-apr, 2013)
IP Possibilities - 2013 - IP Interconnection Panel (18-apr, 2013)
IP Possibilities - 2013 - IP Interconnection Panel (18-apr, 2013)
IP Possibilities - 2013 - IP Interconnection Panel (18-apr, 2013)
IP Possibilities - 2013 - IP Interconnection Panel (18-apr, 2013)
IP Possibilities - 2013 - IP Interconnection Panel (18-apr, 2013)
IP Possibilities - 2013 - IP Interconnection Panel (18-apr, 2013)
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IP Possibilities - 2013 - IP Interconnection Panel (18-apr, 2013)

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  • 1. IP  Interconnec*on  Panel   IP  possibili*es  -­‐  2013   steve  ulrich  (sulrich@cisco.com)  /  @sulrich    
  • 2. Internet  structure   National ISP National ISP National ISP Transit ISP Transit ISP Regional ISP Regional ISP Regional ISP Regional ISP Local ISP Local ISP Local ISP Local ISP Local ISP •  the  Internet  is  an  interconnec*on  of   ~30,000    (semi-­‐)autonomous  service   providers   •  there  is  no  central  coordina*on  for   the  management  of  interconnec*ons,   services,  and  tariffs   •  Internet  peering  ecosystem  includes   many  policies  /  many  services  /  one   Internet   •  unordered  subset  of  interconnects   •  driven  by  business  requirements   underpinned  by  performance   •  non-­‐disclosure  and  bi-­‐lateral   agreements   •  peering  is  now  considered  a     corporate  asset  and  legal  concern     Local ISP Local ISP Local ISP Local ISP Local ISP Transit ISP Transit ISP National ISP National ISP National ISP Regional ISP Regional ISP Regional ISP Regional ISP reality   tradi*onal  assump*on    
  • 3. transit  -­‐  defini*on   •  transit  is  the  business  rela*onship  where  one   ISP  provides  reach-­‐ability  to  all  des*na*ons  in   its  rou*ng  table  to  its  customers   •  transit  provides  connec*vity  to  a  superset  of  all   des*na*ons   Client Net Client Net Client Net Client Net ISP C ISP B ISP D Client Net Client Net Client Net Client Net ISP A Can Reach All Destinations via Transit Provider ISP D Peers Peers ISP A Transit
  • 4. peering  -­‐  defini*on   •  peering  is  the  business  rela*onship  where  ISPs   provide  to  each  other  reach-­‐ability  to  each   predefined  por*ons  of  their  rou*ng  table   •  peering  provides  connec*vity  to  a  subset  of  a   provider’s  customer  des*na*ons   Peers Peers Transit Client Net Client Net Client Net Client Net ISP C ISP B ISP A Client Net Access to ISP B Prefixes Only ISP D Client Net Client Net Client Net
  • 5. 5   ©  2009  Cisco  Systems,  Inc.  All  rights  reserved.   Cisco  Confiden*al   20091103  OPASTCO  Peering   -­‐  sulrich   tradi*onal  Internet  peering  model   •  *er  1  providers  have  access  to  the  en*re  Internet  (region)  rou*ng  table   solely  through  peering  rela*onships   •  *er  2  providers  must  buy  some  transit  from  *er  1  providers   •  content  providers  buy  transit  (primarily  from  *er  1)  to  provide  content   Tier 1 Tier 1 Tier 2 Tier 2 Enterprise Content Enterprise
  • 6. 6   ©  2009  Cisco  Systems,  Inc.  All  rights  reserved.   Cisco  Confiden*al   20091103  OPASTCO  Peering   -­‐  sulrich   Internet  peering  evolu*on   •  *er  1  providers  have  access  to  the  en*re  Internet  (region)   rou*ng  table  solely  through  peering  rela*onships   •  *er  2  providers  must  buy  some  transit  from  *er  1  providers   •  content  providers  peer  with  access  networks  providing   content  directly  onto  the  broadband  networks   IOC / RLEC content provider Enterprise Tier 1 Tier 1 Tier 2 Tier 2 CDN
  • 7. peering  ra*onale   •  commonly  es*mated,  10  -­‐   20%  of  traffic  can  be  peered   away   •  even  under  conges*on,   capacity  can  be  upgraded   and  managed  more   effec*vely   •  improve  applica*on   performance,  reduc*on  in   latency   –  improvement  in  throughput   •  CDNs  as  content  providers   •  peering  at  NAPs  or  with  ISPs   improves  burstability   –  backup  for  on-­‐net  servers   •  marke*ng  -­‐  CDNs  tout  the   number  of  interconnec*ons   they  have  to  their   customers   7   for the ISP for content providers •  reduce  transit  ISP  service  costs   •  upgrades  require  less  planning  and  costs   •  greater  control  over  rou*ng  and  traffic  load  balancing   common to both
  • 8. Internet  peering  interconnec*on   ISP #1 ISP #6 ISP #5 ISP #4 ISP #3 ISP #2 switched ethernet ISP #2ISP #1 ethernet public / shared peering private peering •  peering  between  equivalent   sizes  of  service  providers  (e.g.   *er  2  to  *er  2)   shared  cost  private  interconnec*on,   equal  traffic  flows   “no  cost  peering”   •  peering  across  exchange  points   if  convenient,  of  mutual  benefit,   technically  feasible   •  fee  based  peering   unequal  traffic  flows,  “market   posi*on”  
  • 9. addi*onal/local  resources   •  h[p://peeringdb.com   find  a  peering  loca*on  near   you!   •  MICEMN   –  h[p://micemn.net/   –  here  in  minneapolis,  mn   –  less  than  2  miles  from  where   you’re  standing/siang     MICEMN  par*cipants   Airstream  Communica*ons   AITech   Akamai  Technologies   Arvig   Berbee  Informa*on  Networks  Corpora*on   Coopera*ve  Network  Services,  LLC   Enven*s  Telecom   Hurricane  Electric   Integra  Telecom     ipHouse   MDU  Ethernet  Solu*ons   Minnesota  VoIP   Paul  Bunyan  Communica*ons   Savage  Communica*ons  Inc.   Spiralight  Network  LLC   TDS  Telecom   US  Internet   VISI   Wikstrom  Telephone  Company,  Inc.  
  • 10. THANK  YOU   steve  ulrich  (sulrich@cisco.com)  /  @sulrich  

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