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> Our understanding is that Apple have currently only enabled MPTCP for Siri. This probably makes sense - Siri isn't mission critical, but is very delay sensiti

> Our understanding is that Apple have currently only enabled MPTCP for Siri. This probably makes sense - Siri isn't mission critical, but is very delay sensitive. I have to disagree that it makes sense to cripple APIs and give preferential treatment to certain software. If the support is there, give developers an API to use it! Also, good job on MPTCP - it's awesome :) EDIT: I'm being downvoted, but I'd really love to hear a justification for why it makes sense for apple to restrict features to use in apple-developed software only.

ska 12y ago
Good engineering practice: you have an untried technology operating in a complicated environment and in-house testing can only get you so far. Looking at this "in the wild" in a constrained way where you control most of the variables is an obvious next step.
mhandley 12y ago
Not sure why you're being downvoted, and I've no direct insight into Apple's deployment decisions. But I'd guess they're concerned that deploying MPTCP could cause problems with middleboxes in some environments. Siri is a good way to test the water. First, they own the servers, so they can ensure there's no problem on their end. Second, Siri isn't mission-critical in the way IMAP or HTTP would be, so if there is a problem, it's less of a PR disaster for them. Personally, I'd also prefer to see an API that developers can use to enable it, but I'm OK with them taking it slow at first. Every cellular and WiFi network on the planet got to see how their middleboxes handle MPTCP, so having them test the water like this makes life so much easier for anyone else later.