positioning packetshaper in network

in practice, where in the network (for shaping WAN/Internet traffic)  is best to connect packetshaper  in terms of security  and in terms of best network design?

Betw WAN router n external firewall, at DMZ external facing firewall or ?
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sunhuxAuthor Commented:
in case ot has any bearing on the decision, our AD acts as NTP server n queries the ntp source externally
David Johnson, CD, MVPOwnerCommented:
the packet shaper usually goes between your ingress point and the WAN (between your site and the internet)

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sunhuxAuthor Commented:
So this will be behind the WAN router and the external-facing DMZ firewall?
David Johnson, CD, MVPOwnerCommented:
yes as close to your ingress point as possible.
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Network Management

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