Logical Channel Policies for Application Acceleration
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Solution Overview
Problem
Defining logical channels and channel policies in an application acceleration environment is challenging due to heterogeneous networks and bottlenecks in data transfer speed, leading to delays and data loss between headquarters and branch offices.
Innovation Solution
A system and method that establish logical channels and policies across a network with multiple segments, using POPs and CPEs to optimize packet delivery through path selection, load balancing, replication, and timed replay policies, while ensuring secure transmission and packet recovery, utilizing tunneling protocols to encapsulate data across firewalls.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of stationary object
If data is transmitted over a heterogeneous network with multiple segments, then the data can reach distant locations (headquarters and branch offices), but the transmission speed is limited by network bottlenecks, congestion, and distance, resulting in large delays and data loss
Solution Approach 1:
The patent divides the logical link into multiple segments, with each segment having its own endpoints and policies. This segmentation allows independent optimization of each segment's data transfer parameters, enabling faster overall transmission across the heterogeneous network while maintaining broad coverage.
Solution Approach 2:
The patent applies different quality characteristics to different segments of the logical link based on local network conditions. Each segment can have customized transmission parameters, policies, and optimization settings tailored to its specific characteristics, improving overall data transfer speed while maintaining network coverage.
2Loss of time
If the network is optimized for speed, then data transfer delay is reduced, but the network complexity increases due to multiple segments, POPs, and policy definitions
Solution Approach 1:
By segmenting the logical link into manageable parts with defined endpoints, the patent simplifies the complexity of optimizing the entire network at once. Each segment can be independently configured and optimized, reducing the overall complexity while achieving speed improvements.
Solution Approach 2:
The patent changes key transmission parameters at segment boundaries (POPs) to optimize data transfer speed. By adjusting parameters locally at each segment rather than globally across the entire network, the system reduces complexity while achieving time loss reduction.
3Reliability
If logical channels are defined with multiple policies (path selection, load balancing, replication, timed replay), then data transfer reliability is improved, but the complexity of defining and managing channel policies increases
Solution Approach 1:
The patent associates specific policies with individual logical channels and segments, allowing reliable multi-policy management without overwhelming complexity. Each segment can implement relevant policies independently, improving reliability while keeping policy management organized and manageable.
Solution Approach 2:
The POPs act as intermediaries that enforce and manage the defined policies across segment boundaries. This intermediary structure simplifies policy management by centralizing control at specific points rather than requiring complex distributed policy coordination across the entire network.
4Manufacturing precision
If packet delivery is optimized through multiple POPs and logical channels, then data transfer quality is improved, but the number of network components and identification requirements increases
Solution Approach 1:
By dividing the network into segments with defined endpoints and using logical channels to connect them, the patent achieves high data transfer quality through structured organization. The segmentation allows precise control and optimization at each segment while maintaining overall system coherence.
Solution Approach 2:
The logical channels and POPs serve multiple functions simultaneously: they segment the network, provide identification through logical link identifiers, enforce policies, and optimize packet delivery. This multi-functionality reduces the need for separate dedicated components for each function, managing complexity while improving data transfer quality.
Data Source
AI summary
Disclosed are a method and/or a system for defining logical channels and channel policies in an application acceleration environment. In one aspect, a system includes a branch site including a branch client. A headquarters site includes a headquarters server, the branch site and the headquarters site are communicatively coupled over a logical link via a transmission media. A first point of presence (POP) is communicatively coupled with a branch customer premise equipment (CPE) located at the branch site over a first segment of the logical link. A second POP is communicatively coupled with the first POP over a second segment of the logical link. Each segment of the logical link is constructed from a physical link and contains two segment endpoints. The physical link carries a network traffic of the network connection between the two segment endpoints of an associated segment.