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transport protocol
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... Quick-Start would not be the first mechanism for explicit
communication from routers to transport protocols about sending
rates. Explicit Congestion Notification (ECN ...
... congestion control feedback from routers to transport protocols,
based on the router detecting congestion ...
... congestion information, but instead would use Quick-Start as an
optional mechanism to give permission to transport protocols to use
higher sending rates, based on the ability of all the routers along
...
... non-normative set of guidelines for
specifying Quick-Start in other transport protocols, and Section 8
discusses using Quick-Start in transport ...
... unicast, congestion-controlled
transport protocol; we do not consider the use of Quick-Start for
multicast traffic ...
... sender uses the default
congestion control mechanisms for that transport protocol, including
the default initial congestion window, response to idle ...
... sender ignores the request, and
reverts to the default congestion control mechanisms of the transport
protocol.
The use of the Quick-Start Option ...
... established, there are several additional points in a connection when
a transport protocol may want to issue a Rate Request. We first
reiterate the notion that Quick-Start is a coarse-grained mechanism.
...
... notifications not presently defined for TCP or
other transport protocols. Finally, a TCP SHOULD NOT use Quick-
Start ...
... Start for case (4) at the current time. Case (4) requires further
thought and investigation with regard to how the transport protocol
could determine it was in a situation that would warrant transmitting
...
... destination host [RFC3234].
Measurement studies of interactions between transport protocols and
middleboxes [MAF04] show that for 70% of the Web servers ...
... The Quick-Start Mechanism in Other Transport Protocols ...
... section, we generalize this to give guidelines for the use of Quick-
Start with other transport protocols. We also discuss briefly how
Quick-Start could be specified for other transport protocols ...
... transport protocols. We also discuss briefly how
Quick-Start could be specified for other transport protocols.
The general guidelines for Quick-Start ...
...
The general guidelines for Quick-Start in transport protocols are as
follows:
...
... * Quick-Start is only specified for unicast transport protocols with
appropriate congestion control mechanisms. Note: Quick-Start ...
... sending rate to request. Quick-Start raises additional issues about
the communication between the transport protocol and the application,
and about the use of past history with Quick-Start in the end node ...
... TCP [RFC3649]
or other transport protocols for high-bandwidth transfers, could go a
significant way towards extending the range ...
... While continued research on the limits of the ability of TCP and
other transport protocols to learn of available bandwidth without
explicit feedback from the router ...
... There have been several proposals somewhat similar to Quick-Start,
where the transport protocol collects explicit information from the
routers along the path.
...
... traffic, Lower Effort services could be used by
transport protocols that start up faster than slow-start. For
...
... expected to process RSVP packets more extensively than the normal
transport protocol IP packets, delivering a Quick-Start rate request
...
... Quick-Start Reply message in the corresponding
transport protocol header in the same way as described in the context
...
... Quick-Start Request was transmitted in a separate packet instead of
as an IP option, the transport protocol packet delivery would not be
delayed due to IP option ...
...
Constraints of the transport protocol:
We note that the Rate Request is also constrained by the abilities of
the transport protocol ...
... transport protocol:
We note that the Rate Request is also constrained by the abilities of
the transport protocol. For example, for TCP with Window Scaling,
the maximum window is at most 2**30 bytes. For a TCP connection ...
... IP packet headers. Other
transport protocols would conceivably use the Quick-Start Request
directly in packets per second ...
... sending rate along
underutilized paths, but that does not attempt to provide a next-
generation transport protocol or congestion control mechanism, and
does not attempt the goal of providing very high throughput ...
... congestion control mechanism, it
raises some new issues about the use of Quick-Start with transport
protocols. In this document, we don't attempt to specify the use of
Quick-Start with DCCP ...
... Alberto Medina, Mark Allman, and Sally Floyd, Measuring Interactions Between Transport Protocols and Middleboxes, Internet Measurement Conference 2004, August 2004. <http://www.icir.org/tbit/". ...
... Alberto Medina, Mark Allman, and Sally Floyd. Measuring the Evolution of Transport Protocols in the Internet. Computer Communications Review, April 2005. ...