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IPC Main Group
H04L 47/00

Traffic control in data switching networks

Introduced: January 2022

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC COMMUNICATION TECHNIQUE
Subclass:
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION

Additional Content

Glossary

congestion control preventing a sender from overwhelming the network, wherein the network is prevented from becoming congested. flow control preventing a sender from overwhelming a receiver wherein traffic is controlled between a sender and receiver such that only the receiver controls the transmission rate. policing performing an action (typically transmit/pass) to packets that conform to a specified rate and performing another action (typically drop) to packets that violate that rate. Quality of Service, QoS description or measurement of the overall performance of a service, typically represented by packet loss, bit errors, bit rate, throughput, goodput, delay, availability or jitter. queuing and scheduling splitting traffic into a plurality of queues or buffers based on various criteria ( such as type of packet, QoS requirements or user) so that a scheduler can decide which packet to service next based on a service discipline e.g. longest queue first, round robin. traffic shaping a bandwidth management technique to make traffic conform to a certain rate by delaying the transmission of packets in a buffer. Delayed packets may be subsequently transmitted/released as bandwidth becomes available.

Limiting references

Arrangements for detecting or preventing errors in the information received

3 direct subcodes

Child Classifications

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Top Applicants

Top 10 applicants by patent filingsfor class H04, 2013–2023, worldwide · Source: EPO PATSTAT

  1. QUALCOMM US 97,396
  2. HUAWEI TECHNOLOGIES COMPANY CN 96,502
  3. SAMSUNG ELECTRONICS COMPANY KR 86,981
  4. TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 55,869
  5. HUAWEI TECHNOLOGIES COMPANY 55,349
  6. LG ELECTRONICS KR 53,649
  7. CANON 33,341
  8. SONY CORPORATION JP 32,761
  9. ZTE CORPORATION CN 32,274
  10. GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION 28,327