Re: [rrg] Next revision

Tony Li <tony.li@tony.li> Thu, 25 February 2010 01:52 UTC

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Date: Wed, 24 Feb 2010 17:54:05 -0800
From: Tony Li <tony.li@tony.li>
To: Noel Chiappa <jnc@mercury.lcs.mit.edu>, rrg@irtf.org
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Subject: Re: [rrg] Next revision
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Noel,

> I'll leave TTR and DFZ as an exercise for others.. :-)

Thank you for your contribution.  I've included them and added a few.
Anyone else?

Tony

   DFZ  Default-Free Zone: The collection of autonomous systems that do
      not require a default route to forward a packet to any
      destination.

   EID  Endpoint IDentifer: The precise definition varies depending on
      the proposal.

   ETR  Egress Tunnel Router: In a system which tunnels traffic across
      the existing infrastructure by encapsulating it, the device close
      to the actual ultimate destination which decapsulates the traffic
      before forwarding it to that ultimate destination.

   FIB  Forwarding Information Base: The forwarding table, used in the
      data plane of routers to make forwarding decisions.

   ITR  Ingress Tunnel Router: In a system which tunnels traffic across
      the existing infrastructure by encapsulating it, the device close
      to the actual original source which encapsulates the traffic
      before using the tunnel to send it to the appropriate ETR.

   PA Provider Assigned: Address space assigned by the service provider.

   PI Provider Independent: Address space independent of any service
      provider.

   PMTUD  Path Maximum Transmission Unit Discovery: The process or
      mechanism that determines the largest packet that can be sent
      between a given source and destination with being either i)
      fragmented (IPv4 only), or ii) discarded (if not fragmentable)
      because it is too large to be sent down one link in the path from
      the source to the destination.

   RIB  Routing Information Base.  The routing table, used in the
      control plane of routers to exchange routing information and
      construct the FIB.

   RLOC  Routing LOCator: The precise definition varies dependeing on
      the proposal.

   xTR  Tunnel Router: In some systems, the term used to describe a
      device which can function as both an ITR and an ETR.