Contents
What are the requirements to run MPLS traffic engineering in the network?
Prerequisites for MPLS Traffic Engineering and Enhancements Your network must support the following Cisco IOS XE features before you enable MPLS traffic engineering: Multiprotocol Label Switching. IP Cisco Express Forwarding. Intermediate System-to-Intermediate System (IS-IS) or Open Shortest Path First (OSPF)
Which LSA is used for MPLS traffic engineering?
MPLS TE uses type 10 LSAs for intra-area MPLS TE.
What is RSVP in MPLS?
RSVP-TE is used to establish MPLS transport LSPs when there are traffic engineering requirements. It is mainly used to provide QoS and load balancing across the network core, and includes the ability to control all-optical networks.
Which is the goal of MPLS traffic engineering?
The goal of Traffic Engineering is to facilitate efficient and reliable IP network operations while simultaneously optimizing resource utilization and network performance. Prior to MPLS TE, this technique is possible with either IP or ATM depending on the protocol used between a pair of edge routers in a network.
Why we use MPLS traffic engineering?
The main advantage of implementing MPLS TE is that it provides a combination of ATM’s TE capabilities along with the class of service (CoS) differentiation of IP. In MPLS TE, the headend router in the network controls the path taken by traffic to any particular destination in the network.
What is OSPF traffic engineering?
OSPF Support for Traffic Engineering. Traffic engineering allows you to control the path that data packets follow, bypassing the standard routing model, which uses routing tables. When traffic engineering is enabled on the routing device, you can enable OSPF traffic engineering support.
How does MPLS-TE help in traffic engineering?
MPLS traffic engineering (MPLS-TE) software enables an MPLS backbone to replicate and expand upon the TE capabilities of Layer 2 ATM and Frame Relay networks. MPLS is an integration of Layer 2 and Layer 3 technologies. By making traditional Layer 2 features available to Layer 3, MPLS enables traffic engineering.
When did Cisco start using MPLS Traffic Engineering?
Sample Chapter is provided courtesy of Cisco Press . Date: Jan 13, 2006. MPLS Traffic Engineering (MPLS TE) is a growing implementation in today’s service provider networks. MPLS adoption in service provider networks has increased manifold due to its inherent TE capabilities.
How does Te work in a MPLS network?
MPLS uses the reachability information provided by Layer 3 routing protocols and operates like a Layer 2 ATM network. With MPLS, TE capabilities are integrated into Layer 3, which can be implemented for efficient bandwidth utilization between routers in the SP network.
Which is the best definition of traffic engineering?
MPLS Traffic Engineering (TE) Traffic engineering refers to the process of selecting LS paths chosen by data traffic in order to balance the load on various links, routers, and switches in the network. This is most important in networks where multiple parallel or alternate paths are available.