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RE: Radio over Ethernet draft PAR for the IEEE 1904 pre-review & discussion



Jouni,

Another question I was asked off reflector:

"Why wouldn't this kind of traffic be carried over IP?"

Can you clarify, please?

Glen


> -----Original Message-----
> From: Jouni Korhonen
> Sent: Monday, October 06, 2014 11:57 AM
> To: Marek Hajduczenia; Glen Kramer; 'STDS-1904-WG@xxxxxxxxxxxxxxxxx'
> Subject: RE: Radio over Ethernet draft PAR for the IEEE 1904 pre-review &
> discussion
> 
> Marek,
> 
> Thank you for reviewing the PAR. Comments pointing out ambiguity in the
> text are very important.
> 
> It is not the intention to touch the Ethernet header, by adding /removing /
> changing existing fields. Since this seemed not to crystal clear we better
> clarify the PAR text on this. Could you point at which part of the text exactly
> gave you this impression?
> 
> Headers the PAR mentions are what you refer as " a simple mapping of data
> received from RF interface into payload of an Ethernet frame".
> 
> Thanks,
> 	Jouni
> 
> > -----Original Message-----
> > From: stds-1904-wg@xxxxxxxx [mailto:stds-1904-wg@xxxxxxxx] On Behalf
> Of
> > Marek Hajduczenia
> > Sent: Monday, October 06, 2014 9:36 PM
> > To: Glen Kramer; 'STDS-1904-WG@xxxxxxxxxxxxxxxxx'
> > Subject: RE: Radio over Ethernet draft PAR for the IEEE 1904 pre-review &
> > discussion
> >
> > Glen, et al.,
> >
> > I do not have immediate issues with PAR, but it is not clear at this time what
> the
> > scope of the work would be. PAR mentions "encapsulation of digitized
> radio In-
> > phase Quadrature (IQ) pay-load and related control data into an Ethernet
> packet
> > including the necessary encapsulation header within the encapsulating
> Ethernet
> > frame", which to me reads like a simple mapping of data received from RF
> > interface into payload of an Ethernet frame.
> > However, in different locations PAR refers to Ethernet headers, which
> might be
> > interpreted as implied changes to already defined Ethernet header, by
> adding /
> > removing / changing existing fields. I am not sure whether that is the intent
> of
> > the authors, but some more details on what they are trying to achieve
> would be
> > welcome, perhaps in a form of a Power Point deck showing details of
> needed
> > mapping and intended changes (if any) to Ethernet framing.
> >
> >
> > The only reason why I bring it up is that we (1904WG) do not control
> Ethernet
> > frame structure, and while we can specify how data is mapped from RF
> interface
> > into Ethernet payload, changing the structure of Ethernet headers would
> imply
> > close cooperation with 802.3.
> >
> > Regards
> >
> > Marek
> >
> > -----Original Message-----
> > From: stds-1904-wg@xxxxxxxx [mailto:stds-1904-wg@xxxxxxxx] On Behalf
> Of
> > Glen Kramer
> > Sent: Monday, October 6, 2014 2:16 PM
> > To: STDS-1904-WG@xxxxxxxxxxxxxxxxx
> > Subject: FW: Radio over Ethernet draft PAR for the IEEE 1904 pre-review &
> > discussion
> >
> > Dear Colleagues,
> >
> > I have received the following request for Radio-over-Ethernet (RoE)
> project to
> > be formed under 1904 WG. The draft PAR is attached.
> > We will vote on this PAR at the next meeting. Meanwhile, I encourage
> everyone
> > to review and discuss the draft PAR on the reflector. Feel free to contact
> PAR
> > authors with any questions, or if you want your name to be added as a
> > supporter.
> >
> > If approved, this PAR will become 1904.3 project.
> >
> > Thank you,
> > Glen
> >
> > -----Original Message-----
> > From: Jouni Korhonen
> > Sent: Monday, October 06, 2014 12:00 AM
> > To: Glen Kramer
> > Cc: Zongying He; Jay (James) Teborek; duanran@xxxxxxxxxxxxxxx;
> > cuichunfeng@xxxxxxxxxxxxxxx; liu.qiong@xxxxxxxxxx;
> > Patrice.Plante@xxxxxxxxxx; zhang.boshan@xxxxxxxxxx;
> > satoru.matsushima@xxxxxxxxxxxxxxxx; tero.mustala@xxxxxxx;
> > huangjinri@xxxxxxxxxxxxxxx; Peter.AshwoodSmith@xxxxxxxxxx
> > Subject: Radio over Ethernet draft PAR for the IEEE 1904 pre-review &
> discussion
> >
> > Dear chair of the IEEE 1904 ANWG,
> >
> > Please see the attached draft version of the PAR for Radio over Ethernet
> > (RoE) standardization effort that we (the individuals in the CC list) seek to
> pursue
> > under the IEEE 1904 ANWG. We welcome a review and comments from
> > 1904 members on the current draft version of the PAR. We intend to
> present this
> > PAR in the forthcoming 1904 meeting in Wuhan to drive our cause, which
> means
> > we also ask for a presentation slot in the forthcoming 1904 meeting
> agenda.
> >
> > Should there be any additional backup material prior the meeting, please
> let us
> > know. If there are any other matters we should be aware of just let us
> know.
> >
> > Best regards,
> > 	Jouni (on behalf of the PAR preparation team)
> >
> >
> > --
> > Jouni Korhonen
> > CTO Office, Networking
> > Broadcom