Hybrid Access CPE Multipath Interface Reliability Management
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Solution Overview
Problem
Current communication systems face challenges in ensuring network path reliability for end users, particularly in aggregating multiple access network paths into a single logical connection, as existing techniques do not effectively manage the reliability of wide area network interfaces in hybrid access environments.
Innovation Solution
A hybrid-access customer premises equipment (HCPE) determines the reliability statuses of wide area network interfaces based on evaluations, including link status, verification checks, and path validation tests, to control a multipath interface group for a multipath connection, ensuring that only reliable interfaces are included and maintaining the group's reliability through continuous monitoring and testing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple WAN interfaces are aggregated into a multipath connection to increase traffic speed, then bandwidth and throughput are improved, but the complexity of managing interface reliability and path selection increases
Solution Approach 1:
The HCPE autonomously evaluates WAN interface reliability, performs path validation tests, and dynamically manages the multipath interface group without requiring external intervention. The system self-monitors link status, executes verification checks, and automatically adjusts interface inclusion based on reliability assessments, enabling the device to serve itself in managing complex multipath connections.
Solution Approach 2:
The system continuously monitors WAN interface reliability through periodic evaluations, link status checks, and path validation tests. Based on the feedback from these monitoring activities, the HCPE dynamically adjusts the multipath interface group composition, adding or removing interfaces according to their current reliability status, thereby optimizing traffic distribution while managing complexity through adaptive control.
2Reliability
If comprehensive reliability evaluations including path validation tests are performed on WAN interfaces, then network path reliability is improved, but the time and computational resources required for evaluation increase
Solution Approach 1:
The HCPE performs path validation tests and reliability evaluations in advance before fully activating WAN interfaces for multipath connections. By conducting link status checks, verification checks, and path validation tests beforehand, the system ensures that only pre-validated reliable interfaces are included in the active multipath group, thereby maintaining high reliability while reducing the time required during active operation since interfaces are already evaluated.
3Reliability
If dynamic management of the multipath interface group is implemented based on real-time reliability status, then traffic reliability is improved, but the frequency of monitoring and reconfiguration operations increases
Solution Approach 1:
The HCPE implements periodic monitoring of WAN interface reliability status through scheduled evaluations and path validation tests. Instead of continuous monitoring, the system performs checks at defined intervals, dynamically adjusting the multipath interface group based on these periodic assessments. This approach maintains traffic reliability through regular updates while optimizing monitoring efficiency by avoiding excessive reconfiguration operations.
Data Source
AI summary
Various example embodiments for supporting network path reliability are presented. Various example embodiments for supporting network path reliability may be configured to support network path reliability for a set of network paths of an end user. Various example embodiments for supporting network path reliability may be configured to support network path reliability for a set of network paths associated to form a single logical connection for an end user based on use of hybrid access technology and multipath technology. In at least some example embodiments, support for network path reliability may include supporting one or more network path testing types (e.g., network path reachability testing, network path performance testing, or the like, as well as various combinations thereof) in hybrid access based on multipath technology.