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Comment: Re:Will it really go the pulseaudio way? (Score 0) 179

by Wesley Felter (#47057273) Attached to: Wayland 1.5 Released

There are two different ways to do network display: the RDP way and the right way. With RDP you're sending the entire "screen" over the network, so all the windows have to be composited first. Thus RDP requires a fully featured compositor like Weston on the remote end.

The right way is to send each window over the network, which should require a lightweight compression proxy. No one appears to be working on this.

Comment: Re:The always-present question for UDP (Score 3, Interesting) 97

by Wesley Felter (#44136501) Attached to: QUIC: Google's New Secure UDP-Based Protocol

QUIC uses an equivalent of SYN cookies to prevent some kinds of DoS. It also uses packet reception proofs to prevent some ACK spoofing attacks that TCP is vulnerable to. Overall it looks even better than TCP.

As for encryption, Google gives two reasons. They intend to run HTTP over QUIC and Google services are encrypted by default; it's more efficient for QUIC itself to implement encryption than to layer HTTP over TLS over QUIC. The other reason is that middleboxes do so much packet mangling that encryption is the only way to avoid/detect it.

Comment: Real multitasking (Score 3, Informative) 152

by Wesley Felter (#43776115) Attached to: Jolla Announces First Meego Phone Available By End 2013

I used to have an N900 running Maemo with "true multitasking". A poorly-written app in the background (like Firefox with the "full Web experience" of Flash) would run down the battery in two hours. But at least I could use top to find the problem and kill -9 it.

Now I use Android where apps are specifically written to be aware of my battery.

Comment: The real reason is cost (Score 1) 128

by Wesley Felter (#43593399) Attached to: AMD Details Next-Gen Kaveri APU's Shared Memory Architecture

In low-cost systems the CPU and GPU are combined on a single chip with a single (slow) memory controller. Given that constraint, AMD is trying to at least wring as much efficiency as they can from that single cheap chip. I salute them for trying to give customers more for their money, but let's admit that this hUMA thing is not about breaking performance records.

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