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[RRG] 答复: [RRG] Are host-stack modifications allowed or disallowed ?




> -----邮件原件-----
> 发件人: owner-rrg@psg.com [mailto:owner-rrg@psg.com] 代表 Bengt Ahlgren
> 发送时间: 2008年3月6日 19:11
> 收件人: William Herrin
> 抄送: Routing Research Group
> 主题: Re: [RRG] Are host-stack modifications allowed or disallowed ?
> 
> "William Herrin" <bill@herrin.us> writes:
> 
> > Loose and strict source routing existed in IPv4 for a reason. There
> > were some security issues, some performance issues and the network got
> > wider than they could support but they weren't fundamentally a bad
> > idea. Indeed, if loose source routing was still valid, our map-encap
> > schemes might not need the encap part at all.
> 
> This is IMO an important point.  You can get the same function as a
> tunnel, but without requiring the other end to decap.  In NIIA we call
> it routing hint, but it has basically the same function.

With LOOSE source route, we still need encap/decap part and don't need map
part in each hop of loose source route hop-list.

Regards,
Xiaohu XU



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