Re: [netext] I-D Action: draft-ietf-netext-logical-interface-support-03.txt

Julien Laganier <julien.ietf@gmail.com> Thu, 08 September 2011 16:02 UTC

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From: Julien Laganier <julien.ietf@gmail.com>
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Subject: Re: [netext] I-D Action: draft-ietf-netext-logical-interface-support-03.txt
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I thought that we already discussed this and concluded it wasn't appropriate?

6.3.  Supported Link models for a logical interface

   The sub-interfaces of a logical interface can be bound to a point-to-
   point or a shared link (Example: LTE and WLAN).  The logical
   interface appears as a shared-link to the applications, and adapts to
   the link model of the sub-interface for packet communication.  For
   example, when transmitting a packet on a sub-interface which is
   attached to a p2p link, the transmission conforms to the p2p link
   model and when transmitting on a sub-interface attached to a shared
   link, the transmission conforms to the shared link model.

   Based on the link to which the sub-interface is attached to, the
   layer-2 resolutions may or may not be needed.  If the interface is
   bound to a P2P link with PPP running, there will not be any link-
   layer resolutions in the form of ARP/ND messages.  However, if the
   interface is bound to a shared link such as Ethernet, there will be
   ND resolutions.  The logical interface implementation has to maintain
   the required link model and the associated state for each sub-
   interface.

On Mon, Sep 5, 2011 at 9:15 AM,  <internet-drafts@ietf.org> wrote:
> A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Network-Based Mobility Extensions Working Group of the IETF.
>
>        Title           : Logical Interface Support for multi-mode IP Hosts
>        Author(s)       : Telemaco Melia
>                          Sri Gundavelli
>        Filename        : draft-ietf-netext-logical-interface-support-03.txt
>        Pages           : 26
>        Date            : 2011-09-05
>
>   A Logical Interface is a software semantic internal to the host
>   operating system.  This semantic is available in all popular
>   operating systems and is used in various protocol implementations.
>   The Logical Interface support is required on the mobile node
>   operating in a Proxy Mobile IPv6 domain, for leveraging various
>   network-based mobility management features such as inter-technology
>   handoffs, multihoming and flow mobility support.  This document
>   explains the operational details of Logical Interface construct and
>   the specifics on how the link-layer implementations hide the physical
>   interfaces from the IP stack and from the network nodes on the
>   attached access networks.  Furthermore, this document identifies the
>   applicability of this approach to various link-layer technologies and
>   analyzes the issues around it when used in context with various
>   mobility management features.
>
>
> A URL for this Internet-Draft is:
> http://www.ietf.org/internet-drafts/draft-ietf-netext-logical-interface-support-03.txt
>
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/
>
> This Internet-Draft can be retrieved at:
> ftp://ftp.ietf.org/internet-drafts/draft-ietf-netext-logical-interface-support-03.txt
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