Re: [802.21] Providing QoS through current link layer primitives
QoS seems interesting and important issue in terms of link
selectio and change of 21 mobile node. Perhaps, you are
saying more parameters should be newly defined into this
spec. than this. Right ? If yes, which parameters are in
your mind ?
Daniel (Soohong Daniel Park)
Mobile Convergence Laboratory, SAMSUNG Electronics.
----- Original Message -----
From: "Albert Vidal" <Albert.Vidal@NETLAB.NEC.DE>
To: <STDS-802-21@LISTSERV.IEEE.ORG>
Sent: Tuesday, February 21, 2006 1:55 AM
Subject: [802.21] Providing QoS through current link layer primitives
> Hi all,
>
> The current version of the draft specifies two primitives to report
> current link quality parameters:
>
> - Link_Parameters_Change
> - MIH_Link_Parameters_Report
>
> These two primitives could be valuable in order to maintain a certain
> QoS with the current PoA (Point of Attachment), as well as to guarantee
> that the next potential PoA after a handover will be able offer the
> minimum QoS required.
>
> The text offers four example parameters to indicate the link quality:
> Link Speed, Link Bit Error Rate, Link Frame Loss Rate before
> retransmission and Link Received Signal Strength. Nevertheless, more
> parameters will be needed to guarantee the QoS, for instance to address
> load balancing issues among different PoAs of the same network or to
> avoid a handover decision towards a congested PoA. (As an example, see
> some work in progress related to network initiated handovers in the
> framework of the European project Daidalos:
> http://www.ietf.org/internet-drafts/draft-melia-mobopts-niho-ps-00.txt).
>
> How is this aspect of the text expected to be solved? Will the list of
> link layer parameters be left open, or on the contrary, will it be
> closed to a certain number of parameters?
>
>
> Best regards,
> Albert
>
>