QoS guarantees in FOT PON solutions

  The FOT GEPON/GPON series products have powerful QoS guarantee mechanisms and supports end-to-end QoS solution through the entire network. For different users and services, it provides network service of different qualities and provides the foundation for management of various services.

QoS ability of FOT GEPON

Quality of service (QoS) is the overall performance of a telephony or computer network, particularly the performance seen by the users of the network.
  • Supports uplink port’s flow-based policies, including packet filter, re-direction, flow mirroring, traffic statistics, traffic monitoring, queue scheduling, rate control, priority policing and translation.
  • Supports uplink port’s packet filtering and classification based on source MAC address, destination MAC address, Ethernet type, VLAN, CoS, source IP address, destination IP address, IP port and protocol type.
  • The OLTsupports three queue scheduling mechanisms: SP, WRR and SP +WRR; and each port has eight CoS queues.
  • Supports CoS remarking and CoS copy.
    Changes the original CoS value in the subscriber’s data message, or copies the CoS value of the CVLAN to the SVLAN.
  • Supports flow labeling and shaping.
  • Supports 2760 QoS rules.
  • Supports rate control of ports.
  • Supports bandwidth control of EPON port, with a granularity of 1 kbit/s.
  • Supports multi-LLID technology.
    Each ONU supports up to eight LLIDs, which are classified based on source MAC address, destination MAC address, source IP address, destination IP address, TCP, UDP, ToS, CoS, Ethernet type and protocol type.

QoS ability of FOT GPON

To quantitatively measure quality of service, several related aspects of the network service are often considered, such as error rates, bit rate, throughput, transmission delay, availability, jitter, etc.
  • Supports uplink port’s flow-based policies, including packet filter, re-direction, flow mirroring, traffic statistics, traffic monitoring, queue scheduling, rate control,
    priority policing and translation.
  • Supports uplink port’s packet filtering and classification based on source MAC address, destination MAC address, Ethernet type, VLAN, CoS, source IP
    address, destination IP address, IP port and protocol type.
  • The OLTsupports three queue scheduling mechanisms: SP, WRR and SP +WRR; and each port has eight CoS queues.
  • Supports CoS remarking and CoS copy.
    Changes the original CoS value in the subscriber’s data message, or copies the CoS value of the CVLAN to the SVLAN.
  • Supports flow labeling and shaping.
  • Supports 1024 QoS rules.
  • Supports bandwidth control of GPON port, with a granularity of 64 kbit/s.
  • Provides flexible QoS and SLA functions.
  • Classifies priority queues according to MAC address, 802.1p priority, 802.1q VLAN tag, IP ToS, IP address and TCP / UDP address; supports maximally
    eight service-levels.
  • Supports uplink port’s flow-based rate limiting and mirroring.
  • Supports T-CONT type 1 to type 5 service scheduling.
  • Supports uplink DBA and SBA.
Quality of service is particularly important for the transport of traffic with special requirements. In particular, much technology has been developed to allow computer networks to become as useful as telephone networks for audio conversations, as well as supporting new applications with even stricter service demands.

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