绛斿: Re: Re: [Sigtran] RE: M3UA and M2PA issues
<qin.changpeng <at> zte.com.cn>
2004-11-05 03:36:12 GMT
Thanks a lot.
As for MAP interfaces,my suggestion is using STP based on SCCP. It's
protocol stack can be SCCP/M3UA，and we can use this type of STP the same
way as in tranditional SS7 net.
"xingyanxia"
<xingyx <at> ctbri.com 收件人： <qin.changpeng <at> zte.com.cn>
.cn> 抄送： <jon.peterson <at> neustar.biz>, "Ong, Lyndon" <Lyong <at> Ciena.com>,
<mankin <at> psg.com>, <sar <at> epilogue.com>, <sigtran <at> ietf.org>, <sigtran-bounces <at> ietf.org>
2004-11-05 11:28 主题： Re: Re: [Sigtran] RE: M3UA and M2PA issues
yes ,all what I talk is about SIGTRAN used in Mobilenetwork,may be that is
WCDMA R4.
you know in mobile network,MAP and CAP is basic,and GT translate is
necessary and the traffic is very heavy.
so STP is needed.SS7 is also a choice.but you know all IP is trend.
xingyanxia
----- Original Message -----
From: <qin.changpeng <at> zte.com.cn>
To: "xingyanxia" <xingyx <at> ctbri.com.cn>
Cc: <jon.peterson <at> neustar.biz>; "Ong, Lyndon" <Lyong <at> Ciena.com>;
<mankin <at> psg.com>; <sar <at> epilogue.com>; <sigtran <at> ietf.org>;
<sigtran-bounces <at> ietf.org>
Sent: Friday, November 05, 2004 10:35 AM
Subject: 答复: Re: [Sigtran] RE: M3UA and M2PA issues
>
> Can you tell me why there is a precondition of existing of STP？ If we
are
> talking about pure sigtran network,I think it's no use of STP based on
> level MTP3; and if we want maintain the tranditional network
structure,why
> we dont use SS7?
> Thanks.
>
>
>
> ---------------------------------------
> Life is like a box of choclate，
> You never know what you're going to get
> ---------------------------------------
>
>
>
>
> "xingyanxia"
> <xingyx <at> ctbri.com 收件人： "Ong, Lyndon"
<Lyong <at> Ciena.com>, <qin.changpeng <at> zte.com.cn>
> .cn> 抄送：
<jon.peterson <at> neustar.biz>, <mankin <at> psg.com>, <sar <at> epilogue.com>,
> <sigtran <at> ietf.org>,
<sigtran-bounces <at> ietf.org>
> 2004-11-05 10:15 主题： Re: [Sigtran]
RE: M3UA and M2PA issues
>
>
>
>
>
>
> dear experts
> I'm very happy to get the mail from ZTE,because we are from the same
> country,yes it is CHINA.
> I don't agree with you completely .and I think no matter what protocol
> stack is used ,M2PA or M3UA ,
> the reliability of signaling netwok is needed. and if we used STP ,the
SCTP
> can only guarantee the reliability of
> two STP when use multihoming,it can not guarantee the reliability of two
IP
> Signaling Point ,so we need the machanism like MTP3 .if we do not use STP
> ,I think SCTP is enough,but in mobile network it is needed.
> thank you again.
>
>
> xingyanxia
> China Telecom Beijing research institute
> Tel：010－58552131
> Fax：010－66001396
>
>
>
>
>
>
>
>
>
>
> ----- Original Message -----
> From: <qin.changpeng <at> zte.com.cn>
> To: "Ong, Lyndon" <Lyong <at> Ciena.com>
> Cc: <jon.peterson <at> neustar.biz>; <mankin <at> psg.com>; <sar <at> epilogue.com>;
> <sigtran <at> ietf.org>; <sigtran-bounces <at> ietf.org>; "'xingyanxia'"
> <xingyx <at> ctbri.com.cn>
> Sent: Friday, November 05, 2004 9:41 AM
> Subject: 答复: [Sigtran] RE: M3UA and M2PA issues
>
>
> >
> > Hi
> > We just meet the same problem. The network planning using sigtran
> exclusive
> > is something new . It's critical whether to use the tranditional
> framework
> > or not.
> > There are two ways: no tranditional framework and tranditional
framework.
> >
> > In a network using M3UA exclusively has no need STP,for STP based on
MTP3
> > has two functions,i.e. converging the signalling links and rerouting at
> the
> > fault of links.Ip network has no concept of links, you can understand
it
> a
> > meshwork,there is no need to converg; and Ip network has an automatic
> > rerouting machanism.
> > As for the network management functions of MTP3,they are aimed at
> > perserving reliability at link failures.In sigtran,reliability if
> provided
> > mainly by SCTP,line fault is corrected by IP rerouting
mechanism,endpoint
> > fault is corrected by multihost mechanism.In sigtran network,as the TDM
> > network,there is no way to keep communication when all endpoints
fail,no
> > matter which protocol stack used(m3ua or mtp3/m2pa).
> > The STP based on SCCP can be used in the sameway as tranditional SS7
> > network.
> > Constructing net in this will cheaper,even more reliable and efficient
> for
> > this is no bottleneck.
> >
> > And a network using MTP3/M2PA has the same structure as the
tranditional
> > SS7 network,its planing idea and maintainance can be the same as
> > tranditional net.
> >
> >
> >
> >
>
> > "Ong, Lyndon"
>
> > <Lyong <at> Ciena.com> 收件人： "'xingyanxia'"
> <xingyx <at> ctbri.com.cn>
> > 发件人： 抄送：
> sar <at> epilogue.com, sigtran <at> ietf.org, jon.peterson <at> neustar.biz,
> mankin <at> psg.com
> > sigtran-bounces <at> i 主题： [Sigtran] RE:
> M3UA and M2PA issues
> > etf.org
>
> >
>
> >
>
> > 2004-11-04 21:42
>
> >
>
> >
> >
> >
> >
> > Hi Xingyan,
> >
> > Sorry I did not get back to you earlier, the issues with M2PA have
mainly
> > to do with
> > the wording of the security section, and it is complicated because the
> > Security Area
> > leadership is changing.
> >
> > There is basically no functional change in the updated M3UA, mostly
> > corrections and
> > clarifications as a result of interoperability testing experiences.
> >
> > Cheers,
> >
> > Lyndon
> > -----Original Message-----
> > From: xingyanxia [mailto:xingyx <at> ctbri.com.cn]
> > Sent: Monday, October 25, 2004 5:22 PM
> > To: Ong, Lyndon
> > Cc: mankin <at> psg.com; jon.peterson <at> neustar.biz; sar <at> epilogue.com;
> > sigtran <at> ietf.org
> > Subject: Re: M3UA and M2PA issues
> >
> > Dear chairman and experts
> >
> > Thank you very much for your reply.
> > can you give me some introduction of what kind of comments of
> M2PA?
> > Is that for function or some detail thing?
> > And for M3UA ,Did the updated version concern about the
requirement
> > of usage by STP(Signaling Transport Point),
> > in another word ,does there exist some mechanism to guarantee the
> > stability and reliability of signaling network?
> > and do you think the requirements are reasonable?
> >
> > best regards
> >
> > ----- Original Message -----
> > From: Ong, Lyndon
> > To: 'xingyanxia'
> > Cc: sigtran <at> ietf.org
> > Sent: Monday, October 25, 2004 9:41 PM
> > Subject: RE: M3UA and M2PA issues
> >
> > Xingyan Xia,
> >
> > Regarding the status of M2PA, it is currently resolving comments
> > from the IESG. Once these
> > comments have been resolved and it receives approval of the
IESG,
> it
> > will progress to the RFC
> > Editor's queue for allocation of an RFC number. There is no
> > definite timetable but I would
> > expect that it should be in position to receive an RFC number in
a
> > matter of a few months,
> > due to the size of the queue.
> >
> > We have also just approved (at the Working Group level), an
> updated
> > version of the M3UA,
> > and this is under review by our Area Director. The updated
> version
> > contains some clarifications
> > resulting from interoperability testing. The text can be found
at
> >
> http://ietf.org/internet-drafts/draft-ietf-sigtran-rfc3332bis-02.txt
> >
> > Cheers,
> >
> > L. Ong
> > -----Original Message-----
> > From: xingyanxia [mailto:xingyx <at> ctbri.com.cn]
> > Sent: Sunday, October 24, 2004 11:20 PM
> > To: Ong, Lyndon
> > Cc: sigtran <at> ietf.org
> > Subject: M3UA and M2PA issues
> >
> > dear experts
> > My question is about SIGTRAN use in WCDMA R4
network.you
> > know if the network is quite large,we need a signaling
> > network composed by STP(Signaling Transport Point) just
like
> > signaling network in GSM network.when all signaling are
> > transported over IP ,what is the STP'S protocol stack ?
> > M3UA/SCTP/IP or MTP3/M2PA/SCTP/IP? In RFC 3332 about M3UA
> > ,there is no definition of network management such as
> > signaling rerouting、changeover and changeback and other
> > functions signaling network ,do you have any plan to
extend
> > M3UA to use in STP ,not only used in SG? If we use M2PA in
> STP
> > ,we can reuse the function and mechanism of MTP3,maybe
> > everything is OK ,but why is M2PA only a draft?when will
it
> > become RFC?
> > I need you help,can you give me some instruction?
> >
> > best regards
> > _______________________________________________
> > Sigtran mailing list
> > Sigtran <at> ietf.org
> > https://www1.ietf.org/mailman/listinfo/sigtran
> >
> >
> >
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