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Hierarchical routing is a network routing technique that organizes routers and networks into a multi-level structure, allowing for efficient management and communication across large networks. In this approach, routers are grouped into clusters or regions, each responsible for routing within its own area while also connecting to higher-level routers for inter-region communication. This reduces the complexity of routing tables and enhances scalability by limiting the size of routing information that each router must handle. Overall, hierarchical routing improves both network performance and reliability.
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When should distance vector routing be used?
Distance vector routing is used when the network is simple and has no hierarchical design. Examples of distance vector routing protocols are RIP and IGRP.
Which element of ip addressing enables it to be hierarchical?
The use of network prefixes in IP addressing enables it to be hierarchical. By subdividing the address space into network and host portions, IP addresses can be aggregated into larger blocks that simplify routing and management of networks. This hierarchical structure allows for efficient routing of data packets across a network.
What two routing protocols use a hierarchal network topology?
The two routing protocols that use a hierarchical network topology are Open Shortest Path First (OSPF) and Enhanced Interior Gateway Routing Protocol (EIGRP). OSPF organizes networks into areas to optimize routing efficiency and scalability, while EIGRP uses a hierarchical approach by grouping networks into subnets for better management and quicker convergence. These protocols help reduce routing overhead and enhance overall performance in large networks.
In a three-layer hierarchical network design which distribution layer function delineates broadcast domains?
routing between VLANs
What are advantage of hierarchical routing?
Network Admidistrators use routers in large networks for packet filtering, connections between LAN's and WAN's and traffic control. The main benefit of these is that it filters traffic to where if a packet is sent on a local segment it will get discarded if it does not apply to any other devices on the network.
Which two benefits are provided by using a hierarchical addressing network addressing scheme?
1- Reduces routing table entries 2- Ease of management and troubleshooting.
Which hierarchical design model layer controls the flow of network traffic using policies and delineates broadcast domains by performing routing functions between virtual LANs?
distribution
A network technician has been asked to implement a hierarchical addressing scheme. Which two statements could describe the hierarchical addressing scheme structure to the technician?
A hierarchical addressing scheme organizes addresses in a structured format that reflects the network's topology, allowing for efficient routing and management. It typically involves multiple levels, such as a global prefix for the entire network and subnets for individual segments, enabling easier scalability and administration. Additionally, this approach can help reduce routing table sizes and improve overall network performance by grouping similar addresses together.
What one should do for routing huge networks?
For routing huge networks, one should implement a hierarchical routing architecture to reduce complexity and improve scalability. Utilizing protocols like OSPF or BGP allows for efficient path selection and management of large routing tables. Additionally, employing techniques such as route summarization and link aggregation can optimize performance and enhance redundancy. Regularly monitoring and analyzing network performance is also crucial to ensure efficient routing and quick troubleshooting.
What are the routing strategies?
Routing strategies refer to the methods used to determine the optimal path for data transmission across a network. Common strategies include static routing, where predetermined paths are used, and dynamic routing, which adjusts paths based on current network conditions. Other strategies include load balancing, which distributes traffic evenly to prevent congestion, and hierarchical routing, which structures the network into layers for efficient management. Each strategy has its advantages and is chosen based on the specific needs and complexity of the network.
What are Flat and hierarchical addresses with examples?
Flat addresses are unique identifiers that do not convey any relationship or structure, often used in systems like IPv4 addresses (e.g., 192.168.1.1) where each address is independent. In contrast, hierarchical addresses reflect a structured relationship, allowing for easier routing and organization, such as in IPv6 addresses (e.g., 2001:0db8:85a3:0000:0000:8a2e:0370:7334), where segments represent different levels of the network. Hierarchical addressing can facilitate efficient data routing and management, while flat addresses simplify identification without implying any system hierarchy.
Explain in detail hierarchical routing in computer network?
It is used for routing the packets hierarchically and it is designed for the following Reasons: 1)Routers need more memory space to store the routing tables. 2)More CPU time needed to scan table. 3)More Bandwidth required to send the scanned report. So this routing algorithm divides the router into number of routers called regions and maintain tables for them to decrease the size. this is done in TELEPHONE SYSTEM.
