Thực hiện chất lượng dịch vụ trong các mạng IP (P2)
Thực hiện chất lượng dịch vụ trong các mạng IP (P2)
... is
provided by ETSI’s IP telephony project TIPHON. Currently they
cover only telephony. The end-to-end service quality characteri-
zations used by TIPHON are as follow [TIPHON-2]:
• overall transmission ... a VoIP call with application sharing, for example, the following
distinct service event types can be enumerated:
• connection set-up signalling (e.g., H.323 or SIP);
• transmission of Vo...
Thực hiện chất lượng dịch vụ trong các mạng IP (P1)
... computer (PC), and xDSL Customer Premise
Equipment (CPE). The mere existence of different kinds of equip-
ment is no bad thing as such; it is often good to use equipment
specifically designed for one ... network, allowing for cost-efficient
design of networking equipment. IP is a good convergence layer in
the sense that it can be run over multiple link layer technologies,
including ATM. On th...
Thực hiện chất lượng dịch vụ trong các mạng IP (P3)
... version of IPv4, IPv6 has a larger address space,
but is not yet widely deployed. IPv6-based research network 6Bone
has been operating for many years now, and IPv6 has also been
3.7 ROUTING IN IP NETWORKS ... delivery IPv6 packets require IPv6-capable routers using
routing protocols, which can handle IPv6. It is obvious that the
whole Internet will not be upgraded into IPv6 overnight. Sub-...
Thực hiện chất lượng dịch vụ trong các mạng IP (P4)
... Service Quality in IP Networks Vilho R
¨
ais
¨
anen
2003 John Wiley & Sons, Ltd ISBN: 0-470-84793-X
106 TRAFFIC ENGINEERING FOR MULTI-SERVICE IP NETWORKS
the effect of multiple network elements ... subject to
standardization at least in IETF [RFC1757, RFC2021, RFC3432] and
ETSI’s IP telephony project TIPHON [TIPHON-5].
Passive measurements do not add further traffic into the net-
w...
Thực hiện chất lượng dịch vụ trong các mạng IP (P5)
... the IP telephony
project TIPHON, which has devised a reference models for IP
telephony, in which service providers can be separated from trans-
port operators [TIPHON-3]. The model pertains to IP ... service quality
descriptors, or with predefined service quality support classes as
in the TIPHON model. Additionally, the TCP /IP implementation
of the operating system of the end user IP...
Thực hiện chất lượng dịch vụ trong các mạng IP (P6)
... briefly. For concreteness, IP telephony
spanning multiple transport domains is used as an example.
SLA-based interworking means that the transport operators have
mutual SLAs for IP transport support ... system and net-
work drivers is paramount for VoIP, covering the areas of Operat-
ing System (OS) process scheduling, interrupt handling, TCP /IP
stack implementation, and device driver su...
Thực hiện chất lượng dịch vụ trong các mạng IP (P7)
... signalling per-
formance of a SIP proxy by using a SIP client, which is able to time
the individual signalling events. In this case, provided that the
endpoints (client and SIP proxy) are operating ... measurements, but may be expressly
7.3 TRAFFIC CONTROL 219
IP domain
ER
ER
Traffic engineering
measurements
IP domain
ER
ER
Testing of aggregate
performance
SIP proxy
Terminal
Testing of si...
Tài liệu Thực hiện chất lượng dịch vụ trong các mạng IP (P8) pptx
... access
domain, and egress policing, when used, can be based on network
destination.
IP domain
IP domain
IP domain
IP domain
IP domain
Endpoint
Endpoint
QA
QA
QA
QA
Figure 8.5 Funnels in Schel
´
en’s scheme
8.2 ... dynamically controlling service quality in IP net-
works is our next topic. There are two primary uses for such
methods: dynamic control of resources within an IP doma...
Tài liệu Thực hiện chất lượng dịch vụ trong các mạng IP (P9) pptx
... quality support
User IP layer
Application
Radio tunneling
RAB
Link
Radio tunneling
RAB
Link
GTP
IP
Link
GTP
IP
Link
GTP
IP
Link
GTP
IP
Link
Link
User IP layer User IP layer
Terminal IP base transceiver
station ... QUALITY SUPPORT IN AN IP- BASED CELLULAR RAN
Application
PDP context
Managed mapping
IP transport
bearer
Radio
access
bearer
Figure 9.6 Service mapping for user...
Tài liệu Thực hiện chất lượng dịch vụ trong các mạng IP (P10) ppt
... Protocol
(IP) . IP- based applications have been in wide-scale use since the
development of Transfer Control Protocol (TCP) in the 1980s.
The application programming interface (API) of TCP /IP has ... real-time services requires
that new technologies be added to basic IP. The most demanding ser-
vices such as Voice over IP (VoIP)and streamed multimedia typically
10.2 DIFFSERV 301
consis...
Từ khóa:
- thực trạng và giải pháp nâng cao chất lượng dịch vụ trong kinh doanh nhà hàng tại khách sạn hà nội horison
- thực trạng chất lượng dịch vụ buồng
- đặc điểm chất lượng dịch vụ trong khách sạn
- nâng cao chất lượng dịch vụ trong nhà hàng
- chất lượng dịch vụ trong kinh doanh khách sạn
- đánh giá về chất lượng dịch vụ trong mạng voip