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Episode 701             Episode 703
Episode 702

Link protection
Fri, 2019-Apr-05 01:35 UTC
Length - 1:58

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Welcome to popular Wiki of the Day where we read the summary of a popular Wikipedia page every day.

With 460,233 views on Thursday, 4 April 2019 our article of the day is Link protection.

Link protection is designed to safeguard networks from failure. Failures in high-speed networks have always been a concern of utmost importance. A single fiber cut can lead to heavy losses of traffic and protection-switching techniques have been used as the key source to ensure survivability in such networks. Survivability can be addressed in many layers in a network and protection can be performed at the physical layer (SONET/SDH, Optical Transport Network), Layer 2 (Ethernet, MPLS) and Layer 3 (IP).

Protection architectures like Path protection and Link protection safeguard the above-mentioned networks from different kinds of failures. In path protection, a backup path is used from the source to its destination to bypass the failure. In Link protection, the end nodes of the failed link initiate the protection. These nodes detect the fault and are responsible to initiate the protection mechanisms in order to detour the affected traffic from the failed link onto predetermined reserved paths. Other types of protection are channel-, segment- and p-cycle protection.

This recording reflects the Wikipedia text as of 01:35 UTC on Friday, 5 April 2019.

For the full current version of the article, see Link protection on Wikipedia.

This podcast is produced by Abulsme Productions based on Wikipedia content and is released under a Creative Commons Attribution-ShareAlike License.

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These podcasts are produced by Abulsme Productions based on Wikipedia content.

They are released under a Creative Commons Attribution-ShareAlike 3.0 Unported License.

Creative Commons License

Abulsme Productions also produces Curmudgeon's Corner, a current events podcast.

If you like that sort of thing, check it out too!

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