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MPLS

 

MPLS Is A Networking Technology That Uses Labels To Identify Paths, Rather Than Network Addresses.

MPLS Can Improve Performance, Scalability, Security, And Reliability Of Networks.

MPLS Is Used In A Variety Of Applications, Including Enterprise Networks, Carrier Networks, And The Internet Backbone.

Here Are Some Of The Key Benefits Of MPLS:

Improved Performance

MPLS Can Reduce The Amount Of Processing Required To Route Packets, Which Can Improve Performance.

Increased Scalability

MPLS Can Be Easily Scaled To Support A Large Number Of Devices.

Enhanced Security

MPLS Can Be Used To Create Secure Vpns.

Improved Reliability

MPLS Can Provide Better Reliability By Providing Multiple Paths For Data Traffic.


PROCESS OF MPLS WORK










MPLS DOESN'T NOT EXCHANGE LABELS AUTOMATICALLY.

LDP IS A PROTOCOL THAT AUTOMATICALLY GENERATES AND EXCHANGES LABELS BETWEEN ROUTERS.

EACH ROUTER WILL LOCALLY GENERATE LABELS FOR ITS PREFIXES AND WILL THEN ADVERTISE THE LABEL VALUES TO ITS NEIGHBORS.

IT'S A STANDARD, BASED ON CISCO'S PROPRIETARY TDP (TAG DISTRIBUTION PROTOCOL).

LIKE MANY OTHER PROTOCOLS,

LDP FIRST ESTABLISHES A NEIGHBOR ADJACENCY BEFORE IT EXCHANGES LABEL INFORMATION. IT WORKS A BIT DIFFERENT THAN MOST PROTOCOLS THOUGH...

FIRST WE SEND UDP MULTICAST HELLO PACKETS TO DISCOVER OTHER NEIGHBORS. ONCE TWO ROUTERS DECIDE TO BECOME NEIGHBORS, THEY BUILD THE NEIGHBOR ADJACENCY USING A TCP CONNECTION.


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