Internet Routing Architectures

Medhi, Deepankar; Ramasamy, Karthikeyan

doi:10.1016/b978-012088588-6/50013-9

Cited by 17 publications

(32 citation statements)

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“…Routing protocols are the rules that decide the data movement between the wireless nodes. We will discuss the two main routing protocols [5].…”

Section: Wireless Network and Protocolsmentioning

confidence: 99%

Comparison of Wireless Ad Hoc Routing Protocols

2023

1st International Conference on Modern and Advanced Research Icmar 2023

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Routing protocols are crucial for efficient data transmission in computer networks, determining the best paths for data to traverse between devices. Their significance lies in ensuring reliable and scalable communication within and across networks, enhancing their functionality and interconnectedness. Network simulators, like NS-2 (Network Simulator 2), play a vital role in network engineering, research, and education due to their powerful features, open-source nature, and flexibility. This paper compares DSDV and AODV protocols, analyzing performance, energy consumption, packet loss, throughput, and End-to-End Delay. Results demonstrate that both protocols can be effectively used in diverse applications based on the evaluated parameters. Understanding the differences between these routing protocols empowers network designers and researchers to make informed choices, optimizing network performance and reliability for specific scenarios.

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“…Routing protocols are the rules that decide the data movement between the wireless nodes. We will discuss the two main routing protocols [5].…”

Section: Wireless Network and Protocolsmentioning

confidence: 99%

Comparison of Wireless Ad Hoc Routing Protocols

2023

1st International Conference on Modern and Advanced Research Icmar 2023

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“…The performance of the networks according to this form of delivery entails certain undesired phenomena in which it is found: the possibility that the packages are delivered in order or out of order; the possibility of packages being delivered softly or in bursts; the possibility that whether or not they are delivered. These phenomena [9] can occur due to the following causes:…”

Section: Qos In Ipv6mentioning

confidence: 99%

Control Dynamic System and Qos Manager Agent Over Ipv6 Networks: Intserv and Diffserv Approach in Access Nodes

Hussein

2023

Preprint

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In the last ten years, the growth of IP-based data networks has led to the creation of new applications, which in turn have led to more data being sent. But the bandwidth of intradomain and interdomain transport networks has not grown at the same rate. In the last decade, the growth of IP-based data networks has led to the development of new applications that have increased the amount of data that can be sent. But the bandwidth of both intra-domain and inter-domain transport networks has not grown at the same rate. The present work is to look at how to provide QoS, which is a problem that is currently being looked into and for which there is no clear process or algorithm for a solution. A model that takes advantage of the features of the IPv6 protocol is also being used to find a solution. IPv6 is a very important protocol for the growth and development of Internet services and for supporting new services. But IPv6 doesn't have QoS in and of itself, even though it has different fields. This research aims to solve the QoS problem by trying to find the best way to combine the areas that IPv6 offers. The QoS manager agent was tested with MPLS in a congestion scenario. As a result, the values for jitter and delay for the highest priority flows got a lot better. High-priority flows are those that carry real-time traffic that can't handle delays or packet loss. The fact that the QoS manager agent didn't lose more than 3% of all packets, no matter how much traffic came into the node, shows that priority traffic is protected against network congestion problems. This feature is not present in the MPLS scenario, and as traffic grows, packet loss also grows. The QoS manager agent makes these characteristics better, but it makes them worse in low-level flows. Low-priority flows, on the other hand, are things like web browsing, file transfers, etc., that don't care much about time. The way these flows work is based on connection-oriented protocols like TCP. When packets are lost, the anti-congestion features of this protocol are turned on. The QoS manager agent doesn't have any way to measure incoming flows. This means that high throughput flows can fill up the classes, which goes against management policies, causes packet loss, and changes delay and jitter parameters. To improve the performance of the QoS manager agent in the future, it is suggested that a QoS provisioning protocol be created between a host and a border router. This would allow the agent to have more control over the flows that enter it and would improve the agent's performance.

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“…In this section, we will analyze the BGP behavior over the scenarios presented before, taking advantage of the regularity of the fat-trees multi-plane with R = 1, which can be described by a single parameter k [33]. In effect, in a fat-tree topology of k PoDs, there are k switches (each with k ports) in each PoD, arranged in two levels (Leafs and Spines) of k/2 switches each.…”

Section: Theoretical Analysis Of Bgp Behavior Over Selected Scenariosmentioning

confidence: 99%

Experimenting with Routing Protocols in the Data Center: An ns-3 Simulation Approach

et al. 2022

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Massive scale data centers (MSDC) have become a key component of current content-centric Internet architecture. With scales of up to hundreds of thousands servers, conveying traffic inside these infrastructures requires much greater connectivity resources than traditional broadband Internet transit networks. MSDCs use Fat-Tree type topologies, which ensure multipath connectivity and constant bisection bandwidth between servers. To properly use the potential advantages of these topologies, specific routing protocols are needed, with multipath support and low control messaging load. These infrastructures are enormously expensive, and therefore it is not possible to use them to experiment with new protocols; that is why scalable and realistic emulation/simulation environments are needed. Based on previous experiences, in this paper we present extensions to the ns-3 network simulator that allow executing the Free Range Routing (FRR) protocol suite, which support some of the specific MSDC routing protocols. Focused on the Border Gateway Protocol (BGP), we run a comprehensive set of control plane experiments over Fat-Tree topologies, achieving competitive scalability running on a single-host environment, which demonstrates that the modified ns-3 simulator can be effectively used for experimenting in the MSDC. Moreover, the validation was complemented with a theoretical analysis of BGP behavior over selected scenarios. The whole project is available to the community and fully reproducible.

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Internet Routing Architectures

Cited by 17 publications

References 0 publications

Comparison of Wireless Ad Hoc Routing Protocols

Comparison of Wireless Ad Hoc Routing Protocols

Control Dynamic System and Qos Manager Agent Over Ipv6 Networks: Intserv and Diffserv Approach in Access Nodes

Experimenting with Routing Protocols in the Data Center: An ns-3 Simulation Approach

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