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HTTP Speed+Mobility draft-montenegro-httpbis-speed-mobility-00

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Not that I'm anti-SPDY per se, but I would like to see a finalized RFC on HTTP 2.0 before everyone adopts SPDY. This draft expires on September 2, 2012.

It looks like they're trying to improve not only performance, but also battery life for mobile devices. From the article:

Any new protocol for transporting HTTP data on the Internet must also

take into account the types of systems and devices that use HTTP and

how they are connected to the Internet. The growth of the Internet

of the next decade (and longer) will be fueled by mobile apps and

mobile devices, as well as by the cheap, limited-capability devices

envisioned by the "Internet of Things." For all these devices, speed

is only one design tenet: considerations about battery life,

bandwidth limitations, processor and memory constraints, and various

policy mandates will also challenge designers and users. For

instance, the user of a device connected over mobile broadband may

need to minimize the amount of data sent in order to conserve

bandwidth, minimize power usage and monetary cost of communication.

Furthermore, transmitting the same amount of data may have radically

different power implications depending on how the transfer is

structured: for example, when operating over a mobile broadband

interface it is more efficient to use a single larger transfer than

to space out the transmission in multiple smaller transfers.

Multiple transfers may cause multiple radio transitions between low

and high powered states, causing additional battery drain.

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