Implementation of High Availability Concept Based on Traffic Segregation Over MPLS-TE (original) (raw)
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Virtual Private Network (VPN) Network Design For Multiprotocol Label Switching (MPLS) Networks
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MPLS is a packet delivery technology on high-speed backbone networks that connects several advantages of circuit-switched and packet-switched communication systems that produce better technology than existing. MPLS works on packages with MPLS headers, which contain one or more labels. The MPLS header consists of 32 data bits, including a 20-bit label, 2 test bits, and 1 stack collection bit, and 8 TTL bits. Labels on MPLS are used for process forwarding, including traffic engineering processes. It is hoped that with this MPLS path the network can be connected and connected easily and the access process is expected to be faster and better. This study aims to create a network model and implement a VPN network with routing protocols on the Multiprotocol Label Switching (MPLS) network at AMIK Indonesia. This research will use the method. This research will use the literature study method which is intended to obtain and study data contained in personal computers connected to the network in the AMIK Indonesia computer network laboratory. Data is collected according to the focus of research in the form of network topology used, IP addressing and MPLS techniques. The collection of data/information is simultaneously a simulation of researchers to imitate or represent the behavior of real systems. The conclusion obtained from this study is that this research has succeeded in building MPLS VPN networks and providing a stable network bandwidth efficiency and is used at AMIK Indonesia.
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Multiprotocol Label Switching (MPLS) is a label based switching technique initiated by Internet Engineering Task Force to bring the speed of layer 2 switching to layer 3. Its label based switching technique allows routers to make the forwarding decision based on the contents of label instead of performing a complex route lookup table. Furthermore it allows explicit routing to overcome links and nodes failure in the network. For fault recovery multiprotocol label switching has two domains called Protection Switching and Rerouting. Explicit routing, in it the alternative paths are pre-established through MPLS core router (ingress node). We developed new protocol using explicit routing for multiple fault tolerance in the network. We simulate it in an open source network simulator ns2 and compare it with rerouting fault recovery protocol in NS that belongs to rerouting domain. The simulation shows that the proposed protection switching fault recovery protocol performed better in fault r...
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Virtual router redundancy protocol (VRRP) is designed to eliminate the single point of failure in the static default routing environment in LAN. The original VRRP protocol does not support load balancing for both incoming and outgoing traffic. This paper describes EVRRP, i.e. enhanced VRRP. EVRRP supports an efficient multiple-node cluster and symmetric load balancing among routers. Each router periodically exchanges information to determine the status of the master and backups. The master router distributes and redirects the traffic to one of the backup routers by ICMP redirect message. Backup routers accept the traffic from the master and one of the backup routers takes over the master traffic using a gratuitous ARP message when the master fails. The improved election protocol speeds up the original VRRP election protocol and shortens the failover time by adding a new state in the previous VRRP state diagram and a new protocol type. An extensive evaluation of the EVRRP protocol is described in the paper.
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REVIEW ON HIGH AVAILABILITY AND FASTER CONVERGENCE IN IP NETWORKS
This paper explains the importance of High Availability and Faster Convergence in today's Networks and the current set of high availability and faster convergence protocols and technologies used. Network Convergence and High Availability of IP networks are related with each other and both play a very important role in achieving the business continuity and to make IT works for any business. As Networks act as a base to transport the data from one part to other and most of the business units are dependent on IT for its functions to run, the paper includes those technologies and protocols that helps achieving best results to achieve around hundred percent business continuity with the help of networks. Through the studies it's been detected that BGP is best in ISP Edge Networks and BFD is most beneficial in the event where L2 Network is operating as a transit route for L3 Network, while LSA and SPF Pacing is effective to fasten the core Routing.
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Enhancing Fault Tolerance and Rerouting Strategies in Mpls Networks
Multi Protocol Label Switching (MPLS) has been used to provide traffic engineering and high speed networking. MPLS is an evolving network technology. MPLS is a framework which is introduced by IETF. It is a differentiated and scalable framework. MPLS delivers end-to-end IP services with the use of simple configuration and management. Fault tolerance is an important Quality Of Service factor. Fault tolerance needs to be considered to maintain network survivability. Fault tolerance is very important in every network system because it provides the facility to operate the network if any one or more parts of the system are damaged. The network devices are enabled by MPLS to specify path based on quality of service and bandwidth. The main use of MPLS technology is to speed up the network flow with the use of labels. Keyword:-MPLS, FEC(forward equivalence class), LSP
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