Re: [spring] [sfc] Why Transport Dependence is deemed as a problem?//re: I-D Action: draft-ietf-sfc-problem-statement-04.txt

2014-04-18 Thread Ron Parker
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

Re: [spring] [sfc] Why Transport Dependence is deemed as a problem?//re: I-D Action: draft-ietf-sfc-problem-statement-04.txt

2014-04-21 Thread Xuxiaohu
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

Re: [spring] [sfc] Why Transport Dependence is deemed as a problem?//re: I-D Action: draft-ietf-sfc-problem-statement-04.txt

2014-04-21 Thread Robert Raszuk
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