The paper is devoted to the research and development of cyber resilience ensuring approach based on Traffic Engineering Fast ReRoute with support Policing features. basis proposed mathematical model presented by conditions multipath routing, modified flow conservation. It also takes into account traffic policing network edge, as well for protecting (reserving) link, node, bandwidth adapted requirements. advantage solution problem formulation a linear optimization. In numerical example,...

Improvement of the flow-based load balancing model for multipath routing in telecommunications networks with non-uniform topology was proposed through transition to complex optimality criterion obtained solutions. The is linear-quadratic nature, which made it possible ensure a more detailed account each network link utilization separately and substantiated choice routes maximum capacity minimum number hops during implementation strategy. As shown by comparative analysis, results use improved...

In this paper the improvement of flow-based load balancing model for multipath routing in telecommunications networks with nonuniform topology were proposed through transition to complex optimality criterion solutions obtained. The is linear-quadratic character, which allowed a more detailed account each network link utilization separately and substantiated choice routes maximum capacity minimum number hops during implementation strategy. As shown by comparative analysis, results use an...

The balanced queue management scheme on the interfaces of routers telecommunication networks has been developed. novelty proposed lies in application two-level method calculation. At first level, problem allocation and optimal aggregation packet flows by queues formed router interface is solved. second allocating balancing bandwidth interface, taking into account classification queues,

In the paper, a Quality of Service protection scheme under Fast ReRoute and Traffic Policing based on tensor model multiservice networks is proposed. The considers set parameters that have to be protected: bandwidth, probability packet loss, average end-to-end delay. course solving formulated task in accordance with presented model, result was obtained while ensuring given level Resilience over both primary backup routes terms delay network.

This paper proposed the improved two-level method of multicast routing in MPLS-TE network. The original is focused on implementation load-balanced accordance with principles technology Traffic Engineering. defined tasks two hierarchical levels: solution problem (lower level) and prevention link overload MPLS network (upper level). improvement consisting modification conditions will provide reducing number iterations coordination procedure by approximately 1.5-5 times

The paper proposes a mathematical model of queue management on routers interfaces telecommunication networks. novelty this is the approach to consistent and coordinate solution such interface tasks as Congestion Management, Resource Allocation Avoidance. These were solved in course optimization problem quadratic programming.

This paper is devoted to surveying recent efforts overcome fault-tolerance issues in the Software-Defined Network control plane. Additionally, it has proposed an approach adopt First Hop Redundancy Protocols current Networking framework. It highlights promising future directions for academic researchers and engineers pursue improving resilience inspire new solutions. Consequently, research are seen proposition of flow-based mathematical models plane data fault-tolerant interaction based on...

The paper improves the mathematical model of fault-tolerant routing with default gateway protection and ensures load balancing between border routers. Within proposed model, problem is formulated in an optimization form. novelty introduction conditions responsible for ensuring arriving from access networks routers, taking into account their reliability (availability factor). conducted research confirmed efficiency network decisions received through offered model. It established that a slight...

In this paper the mathematical model of multicast routing flows with support shared explicit reservation link resources is proposed. The proposed consists a linear expressions, which are responsible for providing connectivity calculated routes, and also absence loops in them. novelty using conditions prevention congestion communication links due implementation reservation, allows allocating resource between multiple flows, but at same time list these strictly defined. optimization problem...

In this paper, a computation method of the number disjoint paths under maximum bandwidth criterion during multipath routing in infocommunication network is presented. The task calculating was reduced to solving optimization problem integer linear programming with maximization focused on presence constraints since variables are Boolean, and that determine routes used take only values.

This paper analyzes mathematical solutions to the problem of proactive fault-tolerant routing. All models comply with Traffic Engineering concept provide high Quality Service level, and two consider reliability level border routers, namely, RATE ResMetrTE. The calculation results confirmed ResMetrTE routing solutions' sensitivity routers' level. It was proved that consideration when organizing load balancing between them using or led increased network links utilization upper bound. has also...

The paper is devoted to the problems of fault-tolerant routing as a crucial factor for modern communication networks achieve high availability and reliability through mechanisms. mathematical model Traffic Engineering Fault-Tolerant has been investigated in this study support default gateway redundancy strategies network load balancing by analogy with First Hop Redundancy Protocols covers various options core at access level network. findings research demonstrated efficiency suggested model....

In order to ensure the optimal load balancing in telecommunications network, multicast routing flow-based model has been improved direction of implementing multipath packet transmission strategy. It is suggested split original flow into a set subflows, for each which an tree built as route. The problem presented optimization form, contributing most effective network. application proposed allowed improve upper threshold traffic congestion on average from 17 25% compared singlepath solution.

The paper presents a flow-based mathematical model of fault-tolerant routing multicast flows. optimal primary and backup paths are calculated by implementing path bandwidth protection schemes within the for each flow. analysis obtained solutions was carried out in work. model's operability specified their optimality according to variants used metrics has been confirmed. proposed can be develop protocols multimedia

The paper presents an improved method of confidential messages secure routing over intersecting paths in cyber resilient networks. It allows making fuller use the available network resources. Within method, level security routes, networks, and messages, general, was assessed due to compromise probability links. In turn, message is calculated by formula total probability, considering bridges structure without prior calculation disjoint set. According numerical study results application, most...

In this article, features of simulation modeling various routers interfaces operating modes in telecommunication networks are considered. For analysis, the model is using Simulink package integrated into MATLAB environment. The proposed makes it possible to verify adequacy corresponding analytical models terms quality service indicators, as well compare efficiency solving queue management and routing problems.

The article is devoted to the Network Layer means ensure resilience during designing an infocommunication system that can counteract faults and failures. A review of default gateway redundancy protocols concept analysis recent developments overcome fault tolerance challenges in Software-Defined Networks (SDN) control plane are conducted. In addition, approach use existing architecture proposed. Therefore, within approach, virtual controller organized based on current protocol implemented...