link state routing protocol characteristics
Tài liệu Cisco Systems - Link-State and balanced hybrid routing pdf
... link- state updates to all other routers Link- State Routing Protocols© 2002, Cisco Systems, Inc. All rights reserved. ICND v2.0—5-6 Link- State Routing Protocol Algorithms© 2002, Cisco Systems, ... v2.0—5-11Summary• Link- state routing uses LSAs, a topological database, the SPF algorithm, the resulting SPF tree, and a routing table of paths and ports to each network. • Link- state routing algorithms ... a network. • Link- state routing may flood the network with LSAs during initial topology discovery and can be both memory- and processor-intensive. •Balanced hybrid routing protocols combine...
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Tài liệu HSRP – Hot Standby Routing Protocol ppt
... 09:26:26:%STANDBY-6-STATECHANGE: Standby: 0: FastEthernet0/1 state Active-> Init Reconnect West router: 09:26:57: %STANDBY-6-STATECHANGE: Standby: 0: FastEthernet0/0 state Listen-> ... you can watch the state changes as it is disconnected and reconnected to the network. Disconnect West router: 09:26:26:%STANDBY-6-STATECHANGE: Standby: 0: FastEthernet0/0 state Active-> ... they are both connected to the same network. A routing protocol is not needed. Each router has knowledge of all networks in the network. IP Routing will need to be enabled on all routers. ...
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Tài liệu Enhanced Interior Gateway Routing Protocol ppt
... vector protocol, link state protocol không phi giải quyết vấn đề chống loop và thời gian hội tụ rất lớn bởi vì không giống như routing- by-rumor approach của distance vector các router link state ... Gateway Routing protocol (EIGRP) là một sự nâng cấp của IGRP. Bên cạnh những tính chất vốn có IGRP là một distance-vector protocol, EIGRP còn mang một số tính chất của link state protocol. Tất ... Routing Protocol( EIGRP) Tác giả: Trần Văn Thành Enhanced Interior Gateway Routing Protocol( EIGRP) Lần đầu tiên được đưa vào sử dụng trong phiên bn ISO 9.21, Enhanced Interior Gateway Routing...
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Tài liệu Choose Routing Protocol pptx
... an easy protocol to use. All that is required is to enable RIP and configure a networkstatement for the router interfaces that will be running RIP. RIP version 1 is a classful routing protocol, ... router an Intermediate System. Thus, the protocol defines communication from an Intermediate System to another Intermediate System. IS-IS isa link- state protocol and, like OSPF, divides the network ... OSPF, mostly because there are fewer changes you can make to the protocol soperation.Network TopologyIS-IS is a link- state protocol and thus divides the network into a two-level hierarchy...
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Tài liệu Enhanced Interior Gateway Routing Protocol (EIGRP) pptx
... Gateway Routing Protocol (EIGRP) ● AS number of the destination● Configurable administrator tag● ID of the external protocol ● Metric from the external protocol ● Bit flags for default routing Route ... to make routing decisions, the results of which are stored in the IP routing table. IP-Enhanced IGRP is responsible for redistributing routes learned by other IP routing protocols. Routing ConceptsEnhanced ... learned from the Routing Table Maintenance Protocol (RTMP). The IP implementation redistributes routes learned from OSPF, Routing Information Protocol (RIP), IS-IS, Exterior Gateway Protocol (EGP),...
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Tài liệu Hybrid: Enhanced Interior Gateway Routing Protocol (EIGRP) pptx
... Gateway Routing Protocol (EIGRP) As internetworks grew in scale and diversity in the early 1990s, new routing protocols were needed. Cisco developed Enhanced Interior Gateway Routing Protocol ... popular routing protocols among network engineers. EIGRP can be referred to as a hybrid protocol. It combines most of the characteristics of traditional distance vector protocols with some characteristics ... of link- state protocols. Specifically, EIGRP is “enhanced” by using four routing technologies: • Neighbor discovery/recovery • Reliable Transport Protocol (RTP) • DUAL finite-state...
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Distance Vector vs. Link State docx
... this interfaceinterface32OSPF Network Types50show ip protocols show ip protocols Router#•Verifies the configured IP routing protocol processes, parameters and statisticsVerifying OSPF ... 30.0.0.130.0.0.240.0.0.110.0.0.240.0.0.2AB1Distance Vector Link State HybridDistance Vector vs. Link State Route tableTopologyIncremental UpdatePeriodic UpdateRouting by rumorAB C DXE23OSPF DesignEach ... convergenceBased on detailed knowledge of every link in the area and the OSPF "cost" of eachbuilds an OSPF treeOSPF tree with itself at the route8 Link State There are two types of PacketsHelloLSA’s44OSPF...
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Báo cáo hóa học: " A scalable multi-sink gradient-based routing protocol for traffic load balancing" pot
... demand.Hybrid protocols combine properties of both proactiveand reactive protocols. Among those protocols, it isknown that gradient-based routing protocols whichbelong to the proactive protocols ... directlydetermined by the routing protocol. Particularly, in large-scale WSNs, communication protocols should scale withthe number of sensor nodes [4]. Routing protocols pro-posed in the ... gradient-based routing protocolsIn gradient-based routing protocols, no routes are set upprior to sending data. Nodes are assigned only gradients,which are equal to the minimum cumulative link (ornode)...
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Báo cáo hóa học: " Research Article Impact of LQI-Based Routing Metrics on the Performance of a One-to-One Routing Protocol for IEEE 802.15.4 Multihop Networks" docx
... Considerations for Routing. Ideally, a link quality esti-mator for a routing protocol should be accurate, agile, andstable, and should add minimum overhead to the routing protocol. Below, we ... trafficconfiguration0102030405060708090100 Link delivery ratio (%)Average LQI -link 1Average LQI -link 2LDR -link 1LDR -link 2Figure 21: Influence of background trafficonLQIandLDRfortwodifferent links in scenario A. ... trafficconfiguration0102030405060708090100 Link delivery ratio (%)Average LQI -link 1Average LQI -link 2LDR -link 1LDR -link 2Figure 22: Influence of background trafficonLQIandLDRfortwodifferent links in scenario B....
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Báo cáo hóa học: "Research Article A Random Ant-Like Unicast Routing Protocol for Wireless Ad Hoc Sensor Networks and Performance Evaluation" pdf
... efficiencyof the routing protocols. The traditional flooding routing protocols have the advantages that they normally have highsuccess rate in finding the path to destination, however,flooding protocols ... toupdate their routing tables with the new path correspondingto the link failure. Since RAURs inform the upstream nodesto update the routing table related to the failure link toprovidecorrectroutepathinthefuture,weconsiderithavingthe ... LEACH, all the other protocols support multihop routing. Depending on how many copies of one datapacket are forwarded to the destination simultaneously,these multihop routing protocols can be divided...
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Báo cáo hóa học: " Energy-Aware Routing Protocol for Ad Hoc Wireless Sensor Networks" pdf
... Energy-Aware Routing Protocol 6371.3. Link availability Link availability addresses the problem of prediction of thestatus of a link between two nodes after time t based ... energy-aware rout-ing protocol (EARP) is presented and its energy efficiencyis compared with that of the ad hoc on-demand distance-vector (AODV) routing protocol. 2. ENERGY-AWARE ROUTING PROTOCOL In energy-efficient ... the energy consumption in vari-ous phases of routing. 2.1.1. Probability of link validity (P link- valid)This is defined as the probability of any link which is valid att = 0, will remain valid...
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The Complete IS-IS Routing Protocol potx
... base protocol. So IS-IS can be used for routing IP packets just as well as the other major link- state protocol, the Open Shortest Path First (OSPF) protocol. But why bother having another link- state ... theconfiguration file are propagated to the routing processes that “speak” router-to-routerprotocols like OSPF or IS-IS or Border Gateway Protocol (BGP). If the same routing protocol is provisioned on both ... based on an entirely new routing tech-nology called link- state routing. All previous packet-based network technology at thattime was based on variations of distance-vector routing (sometimes also...
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bài tiểu luận về các giao thức định tuyến - routing protocol
... Distance Vecter Routing Protocol. Mặc dù vậy nóvượt trội hơn các giao thức cùng loại khác về khả năng định tuyến và có vàinét giống với các giao thức định tuyến Link State Routing Protocol. • Metric ... định tuyến IGPs. Cụ thể là cácgiao thức định tuyến động distance vecter protocols và link state protocols.Distance vecter protocols:Sử dụng thuật toán vecter khoảng cách, tính toán khoảng cách ... 2.• EIGRP (Enhanced Interior Getway Routing Protocol) : sử dụng thuậttoán DUAL (Diffusing Update Algrorithm) để tính toán đường đi ngắnnhất. Link state protocols:• Sử dụng thuật toán Dijksta’s...
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The Complete IS-IS Routing Protocol- P1 pps
... base protocol. So IS-IS can be used for routing IP packets just as well as the other major link- state protocol, the Open Shortest Path First (OSPF) protocol. But why bother having another link- state ... routing, and new protocol features all contribute to making routing protocols complex to design, write and deploy effectively in networks. For example, IS-ISstarted as a link- state routing protocol ... Novell then decided toaugment their network architecture with link- state routing. At that time, DEC was widelyknown for their link- state routing experience, and so Novell recruited Neil Castagnoli,...
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The Complete IS-IS Routing Protocol- P2 pot
... duties of the routing protocols to report that a certain sub-net is unreachable. The routing protocols propagate this change and all routersalong the path recompute their IP routing tables. ... the packet processing stress placed on the routing protocols.However, a modern control plane has to do more than just run a single instance of a routing protocol. It usually also has to run a variety ... (CLI)•Several instances of multiple routing protocols including OSPF, IS-IS and BGP•Several instances of MPLS-related signalling protocols like RSVP and LDP Routing and Forwarding Tables 21LookupSRAMmemoryForwarding...
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