The best replacement for dscp is cos.

The best alternatives to dscp are rated as following:
★★★★★  cos
★★★★★  tos
★★★★  ip precedence
★★★  802.1p
★  diffserv
★  ipp
  qos
  precedence
  phb

Your alternative for dscp is not listed? Suggest!
Speaking about dscp, one probably shouldn't forget about qos.

Other search terms related to dscp and their ratings are:
★★★★★ qos
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Google Trends

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dscp
cos
tos