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Color me confused. Just a week ago they posted "We also have server-side means to “hash away” and route around trouble spots, if they occur." https://code.face
by donavanm 12y ago
Color me confused. Just a week ago they posted "We also have server-side means to “hash away” and route around trouble spots, if they occur."
https://code.facebook.com/posts/360346274145943/introducing-data-center-fabric-the-next-generation-facebook-data-center-network/ https://code.facebook.com/posts/360346274145943/introducing-...
Does the server side flow hash manipulation dependent on ip tuple manipulation? Only enabled for some hosts/devices? A bit disappointed, was hoping for clever dscp or mpls tag manipulation. If they rely on new streams with specific src ports its a lot less interesting, and less useful for long lived connections.
- mcpherrinm 12y agoThis problem has been ongoing for two years: the post you linked described their new data center design, which may not even be online yet.
- hueving 12y agoThey explicitly mention in the article that this may not apply to their new data center.