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DIFF Subgroup
H04L 67/1004

Server selection for load balancing

Introduced: January 2022

Full Title

Full titles differ between systems:

IPC:

Network arrangements or protocols for supporting network services or applications > Protocols > in which an application is distributed across nodes in the network > for accessing one among a plurality of replicated servers > Server selection for load balancing

CPC:

Network arrangements or protocols for supporting network services or applications (user-to-user messaging H04L51/00; network arrangements, protocols or services for supporting real-time applications in data packet communications networks H04L65/00) > Protocols > in which an application is distributed across nodes in the network (software deployment G06F8/60; multiprogramming arrangements G06F9/46) > for accessing one among a plurality of replicated servers > Server selection for load balancing

IPC and CPC are identically structured here. All 10 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2022.

Child Classifications

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  • H04L 67/1006 with static server selection, e.g. the same server being selected for a specific client since 2022 IPC+CPC Available in IPC and CPC
  • H04L 67/1008 based on parameters of servers, e.g. available memory or workload (monitoring of computer activity G06F11/30) since 2022 IPC+CPC Available in IPC and CPC
  • H04L 67/101 based on network conditions since 2022 IPC+CPC Available in IPC and CPC
  • H04L 67/1012 based on compliance of requirements or conditions with available server resources since 2022 IPC+CPC Available in IPC and CPC
  • H04L 67/1014 based on the content of a request since 2022 IPC+CPC Available in IPC and CPC
  • H04L 67/1017 based on a round robin mechanism since 2022 IPC+CPC Available in IPC and CPC
  • H04L 67/1019 Random or heuristic server selection since 2022 IPC+CPC Available in IPC and CPC
  • H04L 67/1021 based on client or server locations since 2022 IPC+CPC Available in IPC and CPC
  • H04L 67/1023 based on a hash applied to IP addresses or costs since 2022 IPC+CPC Available in IPC and CPC
  • H04L 67/1025 Dynamic adaptation of the criteria on which the server selection is based since 2022 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

Class H04,2013–2023, worldwide · Source: EPO PATSTAT

  1. HUAWEI TECHNOLOGIES COMPANY CN 101,476
  2. QUALCOMM US 101,139
  3. SAMSUNG ELECTRONICS COMPANY KR 96,655
  4. TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 57,744
  5. LG ELECTRONICS KR 55,253
  6. HUAWEI TECHNOLOGIES COMPANY 54,181
  7. SONY CORPORATION JP 35,309
  8. ZTE CORPORATION CN 32,950
  9. INTEL CORPORATION US 27,533
  10. GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION CN 27,498