Editing Multi-Path Retrieval

= Multi-Path Retrieval in Seigr Ecosystem =

'''Multi-Path Retrieval''' is a key feature within Seigr’s decentralized data network, allowing efficient and resilient access to data capsules by creating multiple retrieval pathways. Multi-Path Retrieval ensures that each [[Special:MyLanguage/.seigr|.seigr]] capsule has multiple, redundant access paths, enhancing accessibility, fault tolerance, and network resilience. This system is crucial for Seigr’s adaptability in dynamic environments, where data requests can be distributed and managed across nodes, reducing latency and optimizing resource use.

== Overview of Multi-Path Retrieval ==

The Multi-Path Retrieval mechanism operates on the principle of non-linear, redundant pathways for data access. Rather than relying on a single direct link to access each data capsule, Seigr creates multiple retrieval paths (primary and secondary) for every capsule, offering several advantages:

* '''Enhanced Fault Tolerance''': If one path is unavailable or compromised, alternative paths enable seamless access, reducing downtime.
* '''Load Balancing''': Distributing requests across multiple paths prevents bottlenecks, particularly for high-demand data segments.
* '''Adaptive Retrieval Paths''': By selecting the most responsive nodes, Multi-Path Retrieval optimizes access based on network conditions, minimizing latency and maximizing retrieval speed.
* '''Security through Redundancy''': By creating diverse access paths, Seigr improves data resilience, as compromising all paths becomes significantly harder for potential attackers.

== How Multi-Path Retrieval Works ==

The Multi-Path Retrieval process in Seigr is based on primary and secondary hash links that define various paths to access each capsule. This is implemented within the metadata structure managed by the [[Special:MyLanguage/Seigr Metadata|Seigr Metadata]] system, which records multiple retrieval links for each capsule. 

=== 1. Primary and Secondary Hash Links ===

Each .seigr capsule includes a primary hash link for direct access and secondary hash links for alternative pathways:

* '''Primary Link''': The default path that points directly to the capsule’s primary storage node.
* '''Secondary Links''': One or more alternative paths that connect to other nodes hosting replicas of the capsule. Secondary links enable access even if the primary link is unavailable.

These links are stored within each capsule’s [[Special:MyLanguage/SegmentMetadata|SegmentMetadata]], which organizes and prioritizes access paths.

=== 2. Dynamic Path Selection ===

When a data request is initiated, the Multi-Path Retrieval system dynamically selects the most optimal path based on factors such as node availability, response time, and network load. This selection process follows these steps:

* '''Path Availability Check''': The system first verifies which paths (primary or secondary) are currently available.
* '''Latency Optimization''': By measuring the response times of each available path, the system prioritizes the paths with the lowest latency.
* '''Adaptive Scaling for High-Demand Data''': Capsules with high access frequencies trigger additional secondary links, providing more access options for high-demand data.

=== 3. Redundant Data Replication ===

Multi-Path Retrieval is tightly integrated with Seigr’s [[Special:MyLanguage/Adaptive Replication|Adaptive Replication]] model, which scales data replication based on demand. Capsules with high-demand metrics replicate to additional nodes, creating more secondary paths and reinforcing availability.

=== 4. Secure Hash Validation ===

Each path’s integrity is validated through hash verification, ensuring that capsules retrieved from secondary links are authentic and unaltered. The [[Special:MyLanguage/Integrity Module|Integrity Module]] recalculates each capsule’s hash to confirm it matches the original, protecting against tampering or data loss.

== Benefits of Multi-Path Retrieval ==

Multi-Path Retrieval provides the following advantages within Seigr’s ecosystem:

* '''Higher Availability and Uptime''': With multiple access paths, capsules remain accessible even if individual nodes are down or experiencing issues.
* '''Increased Network Resilience''': The redundancy provided by multiple paths makes the Seigr network more resilient to both planned and unplanned disruptions.
* '''Optimized Data Access''': By allowing dynamic path selection, Seigr can serve data with minimal latency, particularly for capsules with high access demands.
* '''Improved Security''': With data distributed across multiple paths, attackers face increased difficulty in locating and compromising all copies of a given capsule.

== Mathematical Model of Multi-Path Retrieval ==

The Multi-Path Retrieval model can be represented mathematically through graph theory, where each .seigr capsule is a node, and each retrieval path is an edge connecting nodes.

=== 1. Network Graph Model ===

Let the Seigr network be represented as a directed graph <math>G = (V, E)</math>, where:
* <math>V</math> is the set of nodes, each representing a .seigr capsule.
* <math>E</math> is the set of directed edges connecting nodes, each edge representing a retrieval path.

For a given capsule node <math>v \in V</math>, the primary and secondary links create a path set <math>P(v)</math> representing all possible retrieval paths:

<math>P(v) = \{ e_{1}, e_{2}, ..., e_{k} \}</math>

where each edge <math>e_{i}</math> connects node <math>v</math> to other nodes hosting replica capsules.

=== 2. Fault Tolerance Model ===

The probability that a capsule remains accessible through Multi-Path Retrieval, <math>P_{\text{access}}</math>, given <math>k</math> paths and probability <math>p</math> that a single path remains accessible, is calculated as:

<math>P_{\text{access}} = 1 - (1 - p)^k</math>

As the number of paths <math>k</math> increases, the probability of accessibility approaches 1, highlighting the fault tolerance benefit of Multi-Path Retrieval.

=== 3. Latency Optimization Model ===

Multi-Path Retrieval dynamically selects the path with the minimum response time <math>t_{\text{min}}</math> from the available paths:

<math>t_{\text{min}} = \min \{ t(e_1), t(e_2), ..., t(e_k) \}</math>

where <math>t(e_i)</math> is the response time for path <math>e_i</math>. This selection minimizes latency and optimizes retrieval speed.

== Integration with Seigr's Immune System ==

Multi-Path Retrieval is integrated with Seigr’s [[Special:MyLanguage/Immune System|Immune System]], supporting data resilience and security through adaptive path selection and monitoring:

* '''Threat Detection and Response''': The Immune System monitors path integrity and flags any tampering or compromised data paths, switching to secure alternatives as needed.
* '''Rollback Support''': If capsules are compromised, Multi-Path Retrieval facilitates access to validated, uncorrupted replicas, supporting Seigr’s [[Special:MyLanguage/Rollback|Rollback]] process.
* '''Scaling of High-Demand Data Paths''': High-demand capsules trigger additional path creation, adapting retrieval to meet network demand.

== Practical Applications of Multi-Path Retrieval ==

The Multi-Path Retrieval model has several practical applications across Seigr’s data ecosystem:

* '''Decentralized Access Management''': Capsules stored across different nodes remain accessible via multiple paths, ensuring high availability for decentralized applications.
* '''Optimized Data Retrieval for High-Traffic Nodes''': High-demand nodes can distribute requests across multiple paths, balancing load and reducing bottlenecks.
* '''Resilient Data Recovery''': For nodes that experience intermittent connectivity, secondary paths enable consistent data retrieval, reducing the impact of local failures.

== Future Enhancements ==

Seigr’s roadmap includes planned advancements for Multi-Path Retrieval:

* '''Predictive Path Scaling''': Using predictive analytics, the system will anticipate high-demand capsules and create additional paths in advance, ensuring seamless access.
* '''Cross-Layer Path Validation''': Extending path validation across network layers to create a multi-layered retrieval system that enhances security.
* '''User-Controlled Path Governance''': Allowing users to influence replication frequency and path selection through decentralized governance, enabling flexible network customization.

== Conclusion ==

Multi-Path Retrieval is a foundational component of Seigr’s resilient and adaptable data ecosystem, providing multiple redundant pathways to ensure secure, high-performance data access. By integrating multiple paths for each .seigr capsule and supporting dynamic path selection, Multi-Path Retrieval enhances network resilience, load balancing, and data availability. Together with Seigr’s [[Special:MyLanguage/Adaptive Replication|Adaptive Replication]] and [[Special:MyLanguage/Immune System|Immune System]] modules, Multi-Path Retrieval exemplifies Seigr’s commitment to building a secure, decentralized, and responsive data network.

For further reading, refer to:
* [[Special:MyLanguage/Seigr Metadata|Seigr Metadata]]
* [[Special:MyLanguage/Adaptive Replication|Adaptive Replication]]
* [[Special:MyLanguage/Immune System|Immune System]]
* [[Special:MyLanguage/Integrity Module|Integrity Module]]
* [[Special:MyLanguage/TemporalLayer|TemporalLayer]]
* [[Special:MyLanguage/Rollback|Rollback]]
* [[Special:MyLanguage/Encoding Utilities|Encoding Utilities]]