[Policy] ask for advise about "draft-ke-policy-icmp-ext-00.txt"

[du.ke at zte.com.cn]

Hello!

Does anyone consider it interesting, and give us some advise?

thanks!

Du Ke


Add:   No.68 Zijinghua Rd,Yuhuatai District,
       Nanjing. P.R.China.
Zip:   210012
Tel:   0086-25-52871809
Fax:   0086-25-52871000
E-Mail: du.ke at mail.zte.com.cn



ICMP Extensions for Policy-based Routing

ping/traceroute and other network diagnostic tools are widely used
in the IP networks to diagnose the network reachability, IP packet
routing and routing failure location. However, the existing
ping/traceroute tools are adaptable only to the pure networks where
the routing is based on destination address. When an IP packet
passes a certain equipment based on ACL policy routing, the
ping/traceroute packet routing MAY be different from the real
traffic flow routing. This will lead to an erroneous diagnostic
result.

This document presents an ICMP extension solution. The ICMP echo
messages carry the flow description information of the traffic flow
to be diagnosed, during the delivery process, the router routes
according to the flow description information. This ensures that
the ping/traceroute diagnostic packet will route along the traffic
flow.

A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ke-policy-icmp-ext-00.txt

Title  : ICMP Extensions for Policy-based Routing
 Author(s)         : D. Ke, et al.
 Filename          : draft-ke-policy-icmp-ext-00.txt
 Pages             : 11
 Date              : 2004-7-14





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