View source for 18692120. METHOD AND APPARATUS FOR DESIGNATED ROUTER SEAMLESS SWITCHOVER simplified abstract (Telefonaktiebolaget LM Ericsson (publ))

=METHOD AND APPARATUS FOR DESIGNATED ROUTER SEAMLESS SWITCHOVER=


==Organization Name==

[[:Category:Telefonaktiebolaget LM Ericsson (publ)|Telefonaktiebolaget LM Ericsson (publ)]]


[[Category:Telefonaktiebolaget LM Ericsson (publ)]]

==Inventor(s)==

[[:Category:Wei Xu of Beijing (CN)|Wei Xu of Beijing (CN)]][[Category:Wei Xu of Beijing (CN)]]

[[:Category:Shuxia Tai of Beijing (CN)|Shuxia Tai of Beijing (CN)]][[Category:Shuxia Tai of Beijing (CN)]]

[[:Category:Huajie Guo of Beijing (CN)|Huajie Guo of Beijing (CN)]][[Category:Huajie Guo of Beijing (CN)]]

[[:Category:Lei Zhou of Beijing (CN)|Lei Zhou of Beijing (CN)]][[Category:Lei Zhou of Beijing (CN)]]

==METHOD AND APPARATUS FOR DESIGNATED ROUTER SEAMLESS SWITCHOVER - A simplified explanation of the abstract==


This abstract first appeared for US patent application 18692120 titled 'METHOD AND APPARATUS FOR DESIGNATED ROUTER SEAMLESS SWITCHOVER

The abstract describes a method and apparatus for seamless switchover of a Designated Router (DR) in a network device, specifically in an Open Shortest Path First (OSPF) network.

* Detecting a DR failure event and the unreachability of the second edge device.
* Holding refresh of router-Link State Advertisements (router-LSA) in a link-state database.
* Flooding procedure when a Backup Designated Router (BDR) has not declared to be a working DR in an OSPF network.

Potential Applications:
- Networking infrastructure
- Telecommunications
- Data centers

Problems Solved:
- Ensuring continuous network operation in the event of DR failure
- Preventing network disruptions due to unreachable edge devices

Benefits:
- Improved network reliability
- Seamless switchover process
- Enhanced network performance

Commercial Applications:
Title: "Enhanced Network Reliability Technology for Seamless Switchover"
This technology can be used in various industries such as telecommunications, data centers, and networking companies to ensure uninterrupted network operations and improve overall reliability.

Questions about Designated Router Seamless Switchover:
1. How does the method detect a DR failure event?
The method detects a DR failure event by monitoring the status of the DR in the network.
2. What is the significance of holding refresh of router-LSA in a link-state database?
Holding refresh of router-LSA ensures that the network topology information remains accurate during the switchover process.


==Original Abstract Submitted==

Embodiments of the present disclosure provide method and apparatus for Designated Router (DR) seamless switchover. A method performed by a network device comprises detecting a DR failure event due to a failure DR. The method further comprises detecting that the second edge device is unreachable. The method further comprises holding refresh of router-Link State Advertisements (router-LSA) in a link-state database and flooding procedure, when a Backup Designated Router (BDR) has not declared to be a working DR in an Open Shortest Path First (OSPF) network.



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