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

[Sri Gundavelli <[e-mail]>]

Yes. There is the proposed text from you. Thanks !

There was also a comment on ND layer considerations when presenting multiple
peers on the other side of the p2p link as a single peer. Else, it should be
fine. 


Regards
Sri



On 9/9/11 9:35 AM, "Julien Laganier" <[e-mail]> wrote:

> We have discussed this extensively during meetings and on list and
> this was the proposal on the table:
> 
> http://www.ietf.org/mail-archive/web/netext/current/msg01944.html
> 
> --julien
> 
> On Thu, Sep 8, 2011 at 9:34 PM, Sri Gundavelli <[e-mail]> wrote:
>> Hi Julien,
>> 
>> I know we discussed about this during the meeting, on wow the logical
>> interface should appear to the applications. You preferred to not to state
>> any thing. I was ok with that, I just wanted to check the socket API, and if
>> there is any API which provides the type (p2p or non-p2p), based on that we
>> can resolve this. Let me work on this.
>> 
>> 
>> 
>> Regards
>> Sri
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> On 9/8/11 9:04 AM, "Julien Laganier" <[e-mail]> wrote:
>> 
>>> 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,  <[e-mail]> 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-sup
>>>> po
>>>> rt-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-supp
>>>> or
>>>> t-03.txt
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>>