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What is hierarchical class of service (HCoS)?

by Juniper Employee on ‎08-01-2016 02:11 PM - edited on ‎09-20-2017 01:06 PM by Administrator Administrator (2,121 Views)

Question

What is hierarchical class of service (HCoS)?

Answer

Hierarchical Class of Service:

  • Hierarchical class of service is also referred to as hierarchical quality of service (HQoS) in other vendor’s documentation.
  • Hierarchical class of service (HCoS) is most frequently used to enforce service level agreements at the subscriber edge using dynamic traffic control profiles.
  • You can apply hierarchical schedulers to Ethernet pseudowire interfaces, aggregated Ethernet interfaces, L2TP network server (LNS) inline services, and generic routing encapsulation (GRE) tunnels.

For more information, click Hierarchical Class of Service Overview