Re: [RPRWG] A problem with fairness messages
David,
may I beg to differ with your statement? :)
If the station that sources the packet goes
nutz, TTL is required to strip the packet
and avoid double delivery. TTL still
has to scope the packets travel.
mike
"David V. James" wrote:
>
> Robert,
>
> Hope is all going well.
> I beg to differ with your statement:
> >> We still need to be able to set the TTL to something
> >> less than 255 to allow for bidirectional flooding of
> >> user data frames.
>
> The DSID proposed by the BAH can be used to specify the
> strip point and a distinct flooding bit can be used to
> specify the flooding mode. Not only is that possible,
> its preferred to having the TTL decrement be messy,
> as in frame-type-dependent and run-side-dependent,
> as would be the case if used as suggested.
>
> DVJ
>
> David V. James, PhD
> Chief Architect
> Network Processing Solutions
> Data Communications Division
> Cypress Semiconductor, Bldg #3
> 3901 North First Street
> San Jose, CA 95134-1599
> Work: +1.408.545.7560
> Cell: +1.650.954.6906
> Fax: +1.408.456.1962
> Work: djz@xxxxxxxxxxx
> Base: dvj@xxxxxxxxxxxx
>
>
> >>-----Original Message-----
> >>From: owner-stds-802-17@xxxxxxxxxxxxxxxxxx
> >>[mailto:owner-stds-802-17@xxxxxxxxxxxxxxxxxx]On Behalf Of Anoop Ghanwani
> >>Sent: Monday, June 17, 2002 9:46 AM
> >>To: 'Castellano, Robert'; Anoop Ghanwani; 'Necdet Uzun '
> >>Cc: ''John Lemon' '; ''stds-802-17@xxxxxxxx' '; Komal Rathi
> >>Subject: RE: [RPRWG] A problem with fairness messages
> >>
> >>
> >>
> >>
> >>Bob,
> >>
> >>This discussion only applies to fairness messages.
> >>
> >>-Anoop
> >>
> >>> -----Original Message-----
> >>> From: Castellano, Robert [mailto:RCastellano@xxxxxxxxx]
> >>> Sent: Monday, June 17, 2002 9:46 AM
> >>> To: 'Anoop Ghanwani'; 'Necdet Uzun '
> >>> Cc: ''John Lemon' '; ''stds-802-17@xxxxxxxx' '; Komal Rathi
> >>> Subject: RE: [RPRWG] A problem with fairness messages
> >>>
> >>>
> >>> Hi,
> >>>
> >>> I am just catching up on this thread.
> >>>
> >>> Is the TTL being set to 255 just for congestion control
> >>> messages or also data frames in general. We still need
> >>> to be able to set the TTL to something less than 255 to
> >>> allow for bidirectional flooding of user data frames.
> >>>
> >>> thanks,
> >>>
> >>> robert
> >>
--
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