ZXR10 ZSR V2 Series Router Product Description
ZTE Confidential & Proprietary 73
management of the system clock source, control plane, system maitenance plane and
the environment monitoring plane.
Message forwarding unit
Composed by the forwarding core of the multicore processor and other corresponding
chips on the MPFU, it is responsible for message classification, traffic control and
forwarding.
Management and control unit
The management and control unit is composed by the management core and control
core of the multicore processor, and the 1000M Ethernet switch unit. The management
core and the control core are responsible for the processing of the local protocol
messages, the management and configuration of table entries , MPFU chips and PIU
chips. The 1000M Ethernet switch unit switches the control plane messages of the local
service card. The management and control unit has the following services:
Process all sorts of protocol and signaling. Implement system status control and
report. The routing protocl control plane is independent from the configuration
operationg management plane, so that the protocol control plane becomes more
reliable, and the device is more manageable.
System status configuration and maintenance management. implement system data
configuration and upgrade. Provide system running log. Provide serial port and
RJ45 interface for the device management and maintenance. SD card interface is
offered for data storage.
Traffic control unit
The traffic management unit is responsible for line-side traffic control, precedence
classification, congestion management, congestion avoidance and discarding policy. It
also supports multiple QoS services, e.g. CAR, Shaping, FQ, PA, WFQ, CBWFQ and
WRED. The traffic control unit as per the stream direction splits into Ingress traffic control
unit and Egress traffic control unit.
Monitoring alarm unit
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