ns-3
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The "Mean--Deviation" RTT estimator, as discussed by Van Jacobson. More...
#include <rtt-estimator.h>
Public Member Functions | |
RttMeanDeviation (const RttMeanDeviation &) | |
void | Measurement (Time measure) |
Add a new measurement to the estimator. | |
Time | RetransmitTimeout () |
Returns the estimated RTO. | |
Ptr< RttEstimator > | Copy () const |
void | Reset () |
Resets sthe estimator. | |
void | Gain (double g) |
Sets the estimator Gain. | |
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RttEstimator (const RttEstimator &) | |
virtual void | SentSeq (SequenceNumber32 seq, uint32_t size) |
Note that a particular sequence has been sent. | |
virtual Time | AckSeq (SequenceNumber32 ackSeq) |
Note that a particular ack sequence has been received. | |
virtual void | ClearSent () |
Clear all history entries. | |
virtual void | IncreaseMultiplier () |
Increase the estimation multiplier up to MaxMultiplier. | |
virtual void | ResetMultiplier () |
Resets the estimation multiplier to 1. | |
void | SetMinRto (Time minRto) |
Sets the Minimum RTO. | |
Time | GetMinRto (void) const |
Get the Minimum RTO. | |
void | SetCurrentEstimate (Time estimate) |
Sets the current RTT estimate (forcefully). | |
Time | GetCurrentEstimate (void) const |
gets the current RTT estimate. | |
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virtual TypeId | GetInstanceTypeId (void) const |
template<typename T > | |
Ptr< T > | GetObject (void) const |
template<typename T > | |
Ptr< T > | GetObject (TypeId tid) const |
void | Dispose (void) |
void | AggregateObject (Ptr< Object > other) |
AggregateIterator | GetAggregateIterator (void) const |
void | Start (void) |
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SimpleRefCount (const SimpleRefCount &o) | |
SimpleRefCount & | operator= (const SimpleRefCount &o) |
void | Ref (void) const |
void | Unref (void) const |
uint32_t | GetReferenceCount (void) const |
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void | SetAttribute (std::string name, const AttributeValue &value) |
bool | SetAttributeFailSafe (std::string name, const AttributeValue &value) |
void | GetAttribute (std::string name, AttributeValue &value) const |
bool | GetAttributeFailSafe (std::string name, AttributeValue &attribute) const |
bool | TraceConnect (std::string name, std::string context, const CallbackBase &cb) |
bool | TraceConnectWithoutContext (std::string name, const CallbackBase &cb) |
bool | TraceDisconnect (std::string name, std::string context, const CallbackBase &cb) |
bool | TraceDisconnectWithoutContext (std::string name, const CallbackBase &cb) |
Static Public Member Functions | |
static TypeId | GetTypeId (void) |
This method returns the TypeId associated to ns3::RttMeanDeviation. |
Additional Inherited Members | |
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Time | m_currentEstimatedRtt |
Time | m_minRto |
uint32_t | m_nSamples |
uint16_t | m_multiplier |
The "Mean--Deviation" RTT estimator, as discussed by Van Jacobson.
This class implements the "Mean--Deviation" RTT estimator, as discussed by Van Jacobson and Michael J. Karels, in "Congestion Avoidance and Control", SIGCOMM 88, Appendix A
void ns3::RttMeanDeviation::Gain | ( | double | g | ) |
Sets the estimator Gain.
g | the gain, where 0 < g < 1. |
References NS_ASSERT_MSG, and NS_LOG_FUNCTION.
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static |
This method returns the TypeId associated to ns3::RttMeanDeviation.
Attributes defined for this type:
Attributes defined in parent class ns3::RttEstimator:
No TraceSources defined for this type.
Reimplemented from ns3::RttEstimator.
References ns3::TypeId::SetParent().
Referenced by ns3::TcpL4Protocol::GetTypeId().
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virtual |
Add a new measurement to the estimator.
measure | the new RTT measure. |
Implements ns3::RttEstimator.
References ns3::Time::FromDouble(), NS_LOG_DEBUG, NS_LOG_FUNCTION, and ns3::Time::ToDouble().
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virtual |
Returns the estimated RTO.
Implements ns3::RttEstimator.
References ns3::Time::FromInteger(), ns3::Time::GetSeconds(), NS_LOG_DEBUG, NS_LOG_FUNCTION, and ns3::Time::ToInteger().