[SIPForum-discussion] Re: [SIPForum-discussion] 回复： Re: Which one maintain the route information in SIP, transaction layer or IP layer?

[Peili Xu]

Hi Mark,

Although similar at abstract level, SIP strict route and loose route
are different concepts from IP route. You can find definition of
strict route&loose route in rfc3261.

regards.
Peili

在 07-9-3，mark lee<gogofly_lee at yahoo.com.cn> 写道：
> Hi,Peili:
> In the IP pocket, strict route or loose route item can be located in the IP
> header for pocket routing, in the SIP,  strict route or loose route is also
> used by SIP signal,but it's used by different layer, I want to know: is the
> strict route/loose route of SIP same as the strict route/loose route of IP
> header? or the strict route/loose route of SIP is a new item which is only
> used by SIP route?
>
> Thanks
> Mark
>
> Peili Xu <xupeili at huawei.com> 写道：
> Hi Mark,
>
> Could you please clarify what do you mean by saying "route information"?
> route-set?
>
> Peili
>
> 在 07-9-3，mark lee 写道：
> > Hello, everyone:
> > As you know, SIP defines strict route and loose route, could you tell me
> > which layer should maintain the route information in couple of cases,
> > transaction layer or IP layer?
> >
> > Thanks a lot
> >
> > Mark
> >
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