Re: [RPRWG] PHY independence
Ti-Shiang,
I believe that some companies are looking at implementing
RPR at OC-12/48/192/768 rates.
mike
ti-shiang.wang@xxxxxxxxx wrote:
>
> Hi, Mike
>
> Thanks for your information. Got it.
> Another question comes up. Does it make sense that RPR could be applied in Mbps levels (for example, SONET ring with OC-12, 622Mbps) as well? why are 1 Gbps and 10 Gbps concerned at this moment? Thanks.
>
> Ti-Shiang
>
> -----Original Message-----
> From: ext Mike Takefman [mailto:tak@xxxxxxxxx]
> Sent: Wednesday, June 05, 2002 4:00 PM
> To: Wang Ti-Shiang (NRC/Boston)
> Cc: stds-802-17@xxxxxxxx
> Subject: Re: [RPRWG] PHY independence
>
> Ti-Shiang,
>
> in theory RPR will run over many PHY layers as it is media independant. That being said
> for every PHY layer a reconcilliation will be required. Our first PHYs will be
> SONET/SDH and 1GE and 10GE.
>
> I am aware of fiber, microware and copper medias are possible for some of the
> Layer 1 technologies shown above.
>
> mike
>
> ti-shiang.wang@xxxxxxxxx wrote:
> >
> > Hi,
> >
> > I am new to RPR and not quite clear about PHY independence provided by RPR. Can I say that RPR can be applied to a ring built by several transmission media such as fiber, microwave, copper, etc? How does it work for the PHY-indep. in the MAC layer (or others)? Please be free to advise. Thanks.
> >
> > Ti-Shiang
> >
> > ---------------------------------------------------------------------------
> > Ti-Shiang Wang
> > Nokia Research Center
> > 5 Wayside Road, Burlington, MA 01803, USA
> > (O) 781-993-3781; (Fax) 781-993-1907
> > Email: ti-shiang.wang@xxxxxxxxx
>
> --
> Michael Takefman tak@xxxxxxxxx
> Manager of Engineering, Cisco Systems
> Chair IEEE 802.17 Stds WG
> 2000 Innovation Dr, Ottawa, Canada, K2K 3E8
> voice: 613-254-3399 fax: 613-254-4867
--
Michael Takefman tak@xxxxxxxxx
Manager of Engineering, Cisco Systems
Chair IEEE 802.17 Stds WG
2000 Innovation Dr, Ottawa, Canada, K2K 3E8
voice: 613-254-3399 fax: 613-254-4867