Xiaohu,
While the stack of IP addresses is simple, conceptually, it is quite expensive
on the wire, especially with IPv6 addresses.
A stack of MPLS labels is also conceptually simple, but the use of MPLS is not
universal, especially within data center environments. Also, this use of the
M
Hi Ron,
Thanks for your comments. Please see my response inline.
> -邮件原件-
> 发件人: sfc [mailto:sfc-boun...@ietf.org] 代表 Ron Parker
> 发送时间: 2014年4月18日 20:43
> 收件人: Xuxiaohu; s...@ietf.org
> 抄送: spring@ietf.org
> 主题: Re: [sfc] Why Transport Dependence is deemed as a problem?//re: I-D
> Action
Hi Xu,
How to simply use the MPLS label stack to realize the SFC has been
> described in http://tools.ietf.org/html/draft-xu-spring-sfc-use-case-00.
> Any comments are welcome.
>
The draft says:
"that packet, SN1 could further consume the metadata contained in the
NSH and meanwhile decrease t