Issues and Future Directions

• Hybrid L2/L3 devices like OSR/7600 present new challenges

  • Risk of incorrect configuration may violate MOU

• Future requirement for Jumbo Frames anticipated

  • ISPs currently moving to 4470 or 9192 core MTU
    • Peter Lothberg religion at NANOG22: core MTU at least 4470 is a MUST:
      http://www.nanog.org/mtg-0105/real/iponly.ram
  • IXPs need to move in step with ISPs to avoid becoming the MTU bottleneck

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