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opennic:dont_anycast [2017-07-09T23:47:21Z] – created fusl | opennic:dont_anycast [2018-11-21T01:55:36Z] (current) – old revision restored (2018-04-18T16:58:10Z) fusl | ||
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====== Why you shouldn' | ====== Why you shouldn' | ||
- | ===== Anycast server latency fluctuates a lot ===== | + | ===== (-) Anycast server latency fluctuates a lot ===== |
Sometimes, Tier 2 anycast servers are faster than normal Tier 2 servers, this is due to the way an anycast network works, however it could also be very slow at times due to the nature of BGP taking a shorter route path that is actually congested vs. a longer route path that is perfectly fine. | Sometimes, Tier 2 anycast servers are faster than normal Tier 2 servers, this is due to the way an anycast network works, however it could also be very slow at times due to the nature of BGP taking a shorter route path that is actually congested vs. a longer route path that is perfectly fine. | ||
Manually picking a server from the [[https:// | Manually picking a server from the [[https:// | ||
- | ===== Anycast servers are usually very reliable ===== | + | ===== (+) Anycast servers are usually very reliable ===== |
Tier 2 anycast servers rarely go down due to the nature of anycast. There may exist up to tens, hundreds or thousands of points of presence for the anycast network and in case one of them goes down, traffic gets immediately re-routed to the next shortest-path server in the network. | Tier 2 anycast servers rarely go down due to the nature of anycast. There may exist up to tens, hundreds or thousands of points of presence for the anycast network and in case one of them goes down, traffic gets immediately re-routed to the next shortest-path server in the network. | ||
- | ===== Anycast servers make the network centralized ===== | + | ===== (-) Anycast servers make the network centralized ===== |
Due to the reliability and the usually very good latency of anycast servers, many people decide to use it instead of the [[https:// | Due to the reliability and the usually very good latency of anycast servers, many people decide to use it instead of the [[https:// | ||
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===== You decide ===== | ===== You decide ===== | ||
- | Reliability or decentralization? | + | Reliability or decentralization? |