Link state advertisement information synchronization realization method, device and system
A link status notification and information synchronization technology, applied in the field of communication, can solve problems such as bandwidth resource consumption, neighbor link establishment time extension, etc., and achieve the effect of speeding up and reducing waste
Active Publication Date: 2016-06-29
ZTE CORP
View PDF5 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Knownly, in the process of establishing a neighbor relationship on the link 2 or 3, it is necessary to send all the link state advertisement LSA in the LSDB and the summary description information of the local database LSA. It can be seen that this will inevitably cause the neighbor to establish a link The time is extended, and due to the existence of a large number of OSPF packet transmissions, precious bandwidth resources are consumed
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0038] The technical scheme of the present invention will be described in further detail below in conjunction with the accompanying drawings and specific examples, so that those skilled in the art can better understand the present invention and implement it, but the examples given are not intended to limit the present invention .
[0039] refer to figure 2 As shown, a method for synchronizing link state notification information provided by an embodiment of the present invention includes:
[0040] S10. For neighbors with multiple links, create a public external link state advertisement LSA database summary list, a public external LSA request list, and a public external LSA retransmission list when establishing a link for the first time;
[0041] S20. In the subsequent link establishment process, determine whether to perform synchronization of external LSA messages according to the public external link state announcement LSA database summary list, public external LSA request l...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses a link state advertisement information synchronization realization method, device and system. The method includes the steps: for a neighbor with a plurality of links, creating a public external link state advertisement (LSA) database abstract list, a public external LSA request list, and a public external LSA retransmission list during process for link establishment at the first time; and during the subsequent link establishment process, according to the public external link state advertisement LSA database abstract list, the public external LSA request list and the public external LSA retransmission list, determining whether to execute synchronization of an external LSA message. For the method, as the public external lists are created during process for link establishment at the first time and the public external lists are cooperatively operated during the subsequent link establishment process, OSPF (Open Shortest Path First) messages are not additionally transmitted to repeatedly execute the database synchronization steps when synchronization of the database is finished, so that the speed for synchronization of the database can be improved and waste of the bandwidth resource can be reduced.
Description
technical field [0001] The present invention relates to the field of communication technology, in particular to a method, device and system for synchronizing link state notification information. Background technique [0002] There are two main types of dynamic routing protocols, one is the distance vector routing algorithm, and the other is the link state routing algorithm. Distance vector routing algorithms include Routing Information Protocol (Routing Information Protocol, referred to as RIP), Border Gateway Protocol (Border Gateway Protocol, referred to as BGP); link state routing algorithms include Open Shortest Path First (OpenShortestPathFirst, referred to as OSPF), intermediate system - intermediate system (IntermediateSystem -to-IntermediateSystem, referred to as ISIS). [0003] In the distance vector routing algorithm, each router maintains a routing table (that is, a vector), which is indexed to each router in the network, and the table lists the best route from t...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More IPC IPC(8): H04L12/755H04L12/771H04L45/60
Inventor 何建军
Owner ZTE CORP