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NANOG Meeting Presentation Abstract

Single Pass Load Balancing with Session Persistence in IPv6 Network
Meeting: NANOG62
Date / Time: 2014-10-06 3:00pm - 3:30pm
This item is webcast
Room: Constellation Ballroom
Presenters: Speakers:

Charlie Liu, Charter Communications

Dr. C.J. (Charlie) Liu has been working as Director, Eng.-IP Management, at Charter Communications since July, 2013. Charlie built an IP management team from the ground up, and established IPControl system as the IP ‘source of truth’ for Charter residential high speed internet data (with 4.5M+ customers) and voice (with 2.3M+ customers) services. Charlie is leading and managing the IP team to establish IP source of truth for additional lines of business (enterprise, commercial, and etc.), and streamline/centralize IP address management in Charter. Charlie earned his Ph.D. (1988) in Physics from Yale University, and B.S. (1979) in Physics from National Taiwan University. Charlie published 16 papers in internationally recognized journals, such as Physical Reviews, Physical Review Letters, Modern Physics Letters, J. Opt. Soc. Am., and etc.. Charlie joined AT&T Bell Laboratories in 1991, and began his Internet career in AT&T IP backbone network architecture team in 1999. Charlie and his colleague developed architecture and routing design for AT&T MPLS Layer 3 VPN service offerings. Charlie also worked on QoS/CoS architecture to differentiate different type of services (voice, video, data, and routing) and MPLS TE feasibility in AT&T IP backbone network. Charlie joined Comcast network design and traffic analysis group in 2005. While at Comcast, Charlie developed IP-SLA implementation to actively measure end-to-end latency/jitter and packet loss in Comcast IP networks. Charlie also developed and successfully executed IPv6/IPv4 dual stacks implementation for 23+ Comcast CRANs. Charlie led and completed MPLS based MetroE/Cell Backhaul and Layer 2 VPN service engineering certification in Comcast CRANs. Charlie also worked on data denter architecture & technology evolution, including ethernet fabric, virtualization, cloud computing, and burgeoning SDN, in 2012.
Abstract: In a server farm serving mainstream applications, a load balancer is employed to direct packets of an application session to a server that is available and in healthy state for the purpose of scalability and manageability. The load balancer is always in the path of all packets from the client to the server. The load balancer is also in the path of all packets from the server back to the client, except in the case of using DSR (direct server return) technique. In a network topology where a load balancer is not directly connected to servers (as shown in next slide), a server farm throughput is unnecessarily limited by the deployed load balancer’s I/O capacity. Alternative is to add more LB or scale up load balancer. Both alternatives are expensive. With DSR, the returned packets from a server does not need to go through load balancer, however, every incoming packet from a client still need to go through the load balancer. The mechanism described here will enable better scalability of server farm and reduce cost of increasing throughput from the server farm.
Files: pdf Single Pass Load Balancing with Session Persistence in IPv6 Network(PDF)
youtube Single Pass Load Balancing with Session Persistence in IPv6 Network
Sponsors: None.

Back to NANOG62 agenda.

NANOG62 Abstracts

  • Security Track
    Speakers:
    John Kristoff, Team Cymru ; Krassimir Tzvetanov, A10 Networks;
  • Security Track
    Speakers:
    John Kristoff, Team Cymru ; Krassimir Tzvetanov, A10 Networks;
  • DNS Track
    Moderators:
    Paul Ebersman, Comcast; Speakers:
    Glen WileyVerisign; .
    Tim WicinskiSalesforce; .
    Dave LevinUniversity of Maryland; .
  • DNS Track
    Moderators:
    Paul Ebersman, Comcast; Speakers:
    Glen WileyVerisign; .
    Tim WicinskiSalesforce; .
    Dave LevinUniversity of Maryland; .
  • DNS Track
    Moderators:
    Paul Ebersman, Comcast; Speakers:
    Glen WileyVerisign; .
    Tim WicinskiSalesforce; .
    Dave LevinUniversity of Maryland; .
  • DNS Track
    Moderators:
    Paul Ebersman, Comcast; Speakers:
    Glen WileyVerisign; .
    Tim WicinskiSalesforce; .
    Dave LevinUniversity of Maryland; .
  • Research Track
    Moderators:
    Manish KarirMerit Network; .
    Speakers:
    Robert LychevGeorgia Tech; .
    Maria KonteGeorgia Tech; .
    Sean DonovanGeorgia Institute of Technology; .
    Nithin MichaelCornell University; .
    Hyojoon KimGeorgia Tech; .
  • Research Track
    Moderators:
    Manish KarirMerit Network; .
    Speakers:
    Robert LychevGeorgia Tech; .
    Maria KonteGeorgia Tech; .
    Sean DonovanGeorgia Institute of Technology; .
    Nithin MichaelCornell University; .
    Hyojoon KimGeorgia Tech; .
  • Research Track
    Moderators:
    Manish KarirMerit Network; .
    Speakers:
    Robert LychevGeorgia Tech; .
    Maria KonteGeorgia Tech; .
    Sean DonovanGeorgia Institute of Technology; .
    Nithin MichaelCornell University; .
    Hyojoon KimGeorgia Tech; .
  • Research Track
    Moderators:
    Manish KarirMerit Network; .
    Speakers:
    Robert LychevGeorgia Tech; .
    Maria KonteGeorgia Tech; .
    Sean DonovanGeorgia Institute of Technology; .
    Nithin MichaelCornell University; .
    Hyojoon KimGeorgia Tech; .
  • Research Track
    Moderators:
    Manish KarirMerit Network; .
    Speakers:
    Robert LychevGeorgia Tech; .
    Maria KonteGeorgia Tech; .
    Sean DonovanGeorgia Institute of Technology; .
    Nithin MichaelCornell University; .
    Hyojoon KimGeorgia Tech; .
  • Research Track
    Moderators:
    Manish KarirMerit Network; .
    Speakers:
    Robert LychevGeorgia Tech; .
    Maria KonteGeorgia Tech; .
    Sean DonovanGeorgia Institute of Technology; .
    Nithin MichaelCornell University; .
    Hyojoon KimGeorgia Tech; .

 

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