International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056 Volume: 08 Issue: 05 | May 2021 www.irjet.net p-ISSN: 2395-0072 © 2021, IRJET | Impact Factor value: 7.529 | ISO 9001:2008 Certified Journal | Page 85 Implementation of Traffic Engineering in MPLS Networks by Creating TE Tunnels Using RSVP and Implementing Fast Reroute Mechanism for Back up Paths L. David William Raj 1 , G. Megala 2 , J.I. Monica Shree 3 , J. Preetha 4 , V. Rashmika 5 1 Assistant professor, 2,3,4 UG Scholars, Department of Electronics and Communication Engineering, Adhiyamaan College of Engineering, Krishnagiri district, Tamilnadu, India 1 davidraj1311@gmail.com, 2 megalaguru22@gmail.com , 3 monicaganesh717@gmail.com, 4 preethajayakumar331999@gmail.com, 5 rashmika8254@gmail.com ---------------------------------------------------------------------***-------------------------------------------------------------------- Abstract - In network Traffic engineering (TE) is most effective where some connections are heavily used and have little to no bandwidth available, while others hold little to no traffic. It has been crucial to the recent growth of mobile and wireless technology. Without the TE mechanism, there is a risk of under-utilization and over-utilization problems along the connection. It is important to think about the implementation that will prevent the network's target of unreliable bandwidth delivery. As a result, operations and service providers need a smooth mix of network protocols for better service efficiency (QOS). The Resource Reservation Protocol Tunneling Extension Multiprotocol Layer Switching (RSVP-TE MPLS) will be the subject of this paper. By enforcing the configuration of the dynamic and static LSPs, bandwidth allocation would be possible (Label Switching Paths). The simulation method will be used to test the network model that was developed. The MPLS model will be checked and presented. It would gradually increase QOS while increasing bandwidth usage and lowering operating costs. Key Words: MPLS, OSPF, Resource Reservation Protocol, TE Tunnels, LSP. 1.INTRODUCTION The Internet has developed into a pervasive network in recent years, inspiring the creation of a wide range of innovative business and consumer applications. The demand for improved and assured bandwidth requirements in the network's backbone has risen as a result of these new applications. New voice and multimedia services are being built and implemented in addition to the existing data services already offered over the Internet. The Internet has become the network of choice for delivering these converged services. However, the speed and bandwidth demand imposed on the network by these new applications and services have strained the existing Internet's resources. This shift to a packet-and-cell-based network infrastructure has added complexity to what had previously been a fairly deterministic network. Apart from resource limitations, another problem is the transport of bits and bytes through the backbone in order to offer distinct classes of service to customers. When the Internet was first launched, it was designed to meet the needs of data transfer over a network. Simple applications like file transfer and remote login were supported by this network. A simple software-oriented router platform with network interfaces to support the existing T1/E1 – or T3/E3 – based backbones was sufficient to meet these requirements. As the demand for higher speed and the capacity to support higher-bandwidth transmission rates increased, devices with the ability to switch at the Level-2 (data link) and Level-3 (network layer) in hardware had to be deployed. Layer-2 switching devices were used to overcome switching bottlenecks within subnets of a local- area network (LAN). Layer-3 switching devices helped alleviate the bottleneck in Layer-3 routing by moving the route lookup for Layer-3 forwarding to high-speed switching hardware. These early solutions discussed they did not discuss the specifics contained in the packets' service requirements, but they did address the need for wire-speed packet transfer as they traversed the network. Furthermore, most routing protocols in use today are based on algorithms that seek out the shortest path through the network for packet traversal and ignore additional metrics (such as latency, jitter, and traffic congestion), which can degrade network efficiency even further. There are two types of data in packets: control information and user data (payload). The control information gives the network the information it needs to deliver the user data, such as source and destination network addresses, error detection codes, and sequencing data. Packet headers and trailers usually contain control data, with payload data in the center. With packets, consumers can better share the transmission medium's bandwidth than with circuit switched networks. When one user isn't sending packets, the connection can be filled with packets from other users, allowing the cost to be shared with minimal