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Re: [Masque] Call for MASQUE use cases

Ben Schwartz <bemasc@google.com> Mon, 24 February 2020 04:05 UTC

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From: Ben Schwartz <bemasc@google.com>
Date: Sun, 23 Feb 2020 23:05:38 -0500
Message-ID: <CAHbrMsAVXmyvqJKNzcmHOvM3NvPqhpfC9MuDEq9kNUBKe7=7=g@mail.gmail.com>
To: Eric Rescorla <ekr@rtfm.com>
Cc: Christopher Wood <caw@heapingbits.net>, masque@ietf.org
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Subject: Re: [Masque] Call for MASQUE use cases
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I think virtually all the use cases for SOCKS and HTTP CONNECT are also
in-scope for MASQUE.  Additionally, there are some cases that they don't
handle, or that MASQUE could handle better:

 - TCP proxying over congested/lossy client-proxy links.  SOCKS and
HTTP/1.1 don't multiplex, so the congestion controllers for each TCP
connection fight over this link.  HTTP/2 multiplexes but has head-of-line
blocking on loss.  CONNECT over HTTP/3 would get us unified
congestion control without blocking.

- Proxied WebRTC (or RTC generally).  Currently, using a proxy generally
forces WebRTC to use TCP, which generally also forces it to route through a
TURN server (another proxy!).  This adds up to significantly impaired
latency and quality.  By supporting UDP, MASQUE could do better.

- Virtual machine running in a webpage.  MASQUE could enable standardized
networking for virtual machines in WebAssembly.

- Network debugging when using a proxy.  HTTP CONNECT doesn't provide any
indication of why a connection failed, e.g. to distinguish RST, FIN,
timeout, or an ICMP error.

On Sat, Feb 22, 2020 at 6:14 PM Eric Rescorla <ekr@rtfm.com> wrote:

> I am interested in this as an alternative transport for securely proxying
> HTTP traffic (cf. https://fpn.firefox.com/)
>
> -Ekr
>
>
> On Thu, Feb 20, 2020 at 7:13 PM Christopher Wood <caw@heapingbits.net>
> wrote:
>
>> The core MASQUE protocol [1] describes a simple negotiation mechanism
>> for various
>> applications. However, it omits use cases for these applications. MASQUE
>> obfuscation
>> in support of a "hidden VPN" service is one use case [2]. Tunneling QUIC
>> is another [3].
>>
>> Given that MASQUE and the upcoming BoF will be successful insofar as it
>> addresses important
>> use cases, I think it'd be useful to discuss these application use cases
>> in more detail
>> before Vancouver. To that end, let's use this time before the meeting to
>> discuss them!
>>
>> I'd like to ask interested parties to please surface use cases they know
>> of (and care about).
>>
>> Thanks!
>> Chris
>>
>> [1] https://tools.ietf.org/html/draft-schinazi-masque-02
>> [2] https://tools.ietf.org/html/draft-schinazi-masque-obfuscation-00
>> [3] https://tools.ietf.org/html/draft-kuehlewind-quic-substrate-02
>>
>> --
>> Masque mailing list
>> Masque@ietf.org
>> https://www.ietf.org/mailman/listinfo/masque
>>
> --
> Masque mailing list
> Masque@ietf.org
> https://www.ietf.org/mailman/listinfo/masque
>

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