As Daniel has also mentioned in another email, I do not believe that 16NG can make a recommendation about when to use a specific CS for IPv6 transport. It depends on the deployment models and operators.
-Raj On 11/17/08 2:06 PM, "ext Brian E Carpenter" <[EMAIL PROTECTED]> wrote: > Teemu, > > Well, I'd like to see a definitive statement of what the > consensus of 16ng is on this point, and then IMHO > the node requirements should exactly reflect that consensus. > > Brian > > On 2008-11-18 06:44, [EMAIL PROTECTED] wrote: >> Hi Brian, >> >> My recollection on this is that Ethernet CS is intended for CPE >> ("wireless DSL") use cases and IP CSes more for handhelds. In this >> regard IP CSes correspond very closely on 3GPP IPv4/IPv6 PDP contexts. >> >> Furthermore, Ethernet CS is optional feature while support for IP CSes >> is mandatory. >> >> In future I'm sure there will be a lot more devices using IPv6 over IPv6 >> CS/IPv6 PDP context/IPv6 EPS bearers than PPP. >> >> Best regards, >> >> Teemu >> >>> -----Original Message----- >>> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On >>> Behalf Of ext Brian E Carpenter >>> Sent: 16 November, 2008 21:13 >>> To: Daniel Park >>> Cc: Loughney John (Nokia-D/MtView); ipv6@ietf.org >>> Subject: Re: Node Req: Issue 6: Support for RFC 5121: IP >>> version 6 over WiMAX >>> >>> Daniel, >>> >>> On 2008-11-14 22:19, Daniel Park wrote: >>>> John, >>>> >>>> I would make a minor change according to the valuable comments from >>>> the WiMAX expert: >>>> >>>> There are two ways to transfer IPv6 over WiMAX: >>>> - IPv6 over WiMAX using IPCS: RFC5121 >>>> - IPv6 over Ethernet carried over WiMAX: AD Evaluation (ID Status) >>> Where does your suggested preference for the IPv6 CS come from? >>> Does 16ng have a consensus on this preference? >>> >>> Since I can't imagine anyone *not* implementing the Ethernet >>> CS, doesn't this make extra work for all implementors, >>> compared with preferring the Ethernet CS for both IP versions? >>> >>> Brian >>> >>>> So. >>>> >>>> 4.X IP version 6 over WiMAX - RFC 5121 >>>> >>>> Nodes supporting IPv6 via IPCS over WiMAX networks MUST implement >>>> >>>> "Transmission of IPv6 via the IPv6 Convergence Sublayer over IEEE >>>> 802.16 Networks" [RFC 5121]. >>>> >>>> >>>> >>>> >>>> Thanks, >>>> >>>> Daniel >>>> >>>> >>>> >>>> >>>> On Fri, Nov 14, 2008 at 6:34 AM, <[EMAIL PROTECTED]> wrote: >>>> >>>>> Daniel Park sent this issue in: >>>>> >>>>> I'd request one more requirement for this bis. It is about 16ng >>>>> deliverable for IPv6 transmission over IPv6CS networks as RFC 5121. >>>>> Due to Convergence Sublayer characteristics of WiMAX networks, the >>>>> below requirement must be included in the Node Requirement. >>> (For example: >>>>> globally unique prefix must be assigned to the WiMAX node, DAD >>>>> considerations, ND features, and etc described in RFC 5121) >>>>> >>>>> 4.X IP version 6 over WiMAX - RFC 5121 >>>>> >>>>> Nodes supporting IPv6 over WiMAX networks MUST implement >>>>> >>>>> "Transmission of IPv6 via the IPv6 Convergence Sublayer over IEEE >>>>> 802.16 Networks" [RFC 5121]. >>>>> >>>>> --> I think this seems like a reasonable thing to add. >>>>> >>>>> John >>>>> -------------------------------------------------------------------- >>>>> IETF IPv6 working group mailing list >>>>> ipv6@ietf.org >>>>> Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 >>>>> -------------------------------------------------------------------- >>>>> >>>> >>>> >>> ---------------------------------------------------------------------- >>>> -- >>>> >>>> -------------------------------------------------------------------- >>>> IETF IPv6 working group mailing list >>>> ipv6@ietf.org >>>> Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 >>>> -------------------------------------------------------------------- >>> -------------------------------------------------------------------- >>> IETF IPv6 working group mailing list >>> ipv6@ietf.org >>> Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 >>> -------------------------------------------------------------------- >>> >> > -------------------------------------------------------------------- > IETF IPv6 working group mailing list > ipv6@ietf.org > Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 > -------------------------------------------------------------------- -------------------------------------------------------------------- IETF IPv6 working group mailing list ipv6@ietf.org Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------