2004
DOI: 10.1109/mcom.2004.1304236
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End-to-end QoS specification issues in the converged all-IP wired and wireless environment

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Cited by 56 publications
(27 citation statements)
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“…However, the access networks outside the CN may have their own QoS models and semantics, which cannot be interpreted in other networks along the session path [14]. For example, there exist four different QoS classes for UMTS (i.e.…”
Section: Existing Qos Mechanisms In Imsmentioning
confidence: 99%
See 1 more Smart Citation
“…However, the access networks outside the CN may have their own QoS models and semantics, which cannot be interpreted in other networks along the session path [14]. For example, there exist four different QoS classes for UMTS (i.e.…”
Section: Existing Qos Mechanisms In Imsmentioning
confidence: 99%
“…This non-standardization throughout different network domains makes it more difficult to establish the desired end-to-end QoS reservations and to come up with fair charging agreements on communication paths whose networks are owned by multiple parties. Maniatis et al [14] have tried to tackle t he QoS model translation problem across different networks by applying an intelligent mapping algorithm during end-to-end QoS negotiation such that the best suiting QoS class is selected in each network along the session path. Similarly, the operator can employ AC by using the Policy Decision Function (PDF) at the access network border and making the access network physical bearer enforce a Service Based Local Policy (SBLP), if the bearer actually listens to the commands from the IMS signaling and control layer.…”
Section: Existing Qos Mechanisms In Imsmentioning
confidence: 99%
“…21 As described by Maniatis et. al, 22 no standard exists for specifying QoS requirements; however, such standards would simplify the processing required by the middleware layer. The bandwidth broker periodically distributes the current price schedule and available QoS levels to the middleware layer of each user.…”
Section: Retail Market and Resource Allocationmentioning
confidence: 99%
“…Note, the standardization of such agreements is the subject of current research. 22 In the absence of such standards, the middleware layer must match the different QoS descriptors offered per domain to provide end-to-end QoS.…”
Section: Wholesale Market and Inter-domain Provisioningmentioning
confidence: 99%
“…End-to-end QoS provision requires to investigate many different mechanisms, such as QoS signaling, QoS modeling, QoS mapping, QoS specification, etc, which are analyzed in many papers, such as [1][2][3][4], across heterogeneous scenarios. Supporting QoS of multimedia services in such scenarios requires a QoS architecture able not only of performing cited end-toend QoS functions, but also of reacting to unpredictable changes occurring during the session.…”
Section: Introductionmentioning
confidence: 99%