LSR (Label Switch Router)

A Label Switch Router (LSR) is a type of network device used in modern data networks, particularly in MPLS (Multi-Protocol Label Switching) environments. It directs data packets based on labels rather than traditional IP addresses. This process allows for faster and more efficient data routing because the LSR doesn’t need to examine the entire packet; it uses the label to quickly forward data along predetermined paths. This helps improve network performance, reduce congestion, and enhance overall communication efficiency, making it particularly useful for large organizations and service providers.