applications services and application layer protocols

... ®xed network (e.g the Integrated Services Digital Network,ISDN [7]) are handled by a dedicated Gateway 3 Figure 3.1: GSM system hierarchy GSM Switching, Services and Protocols: Second Edition JoÈrg ... authentication and user data encryp-tion based on the subscriber identity IMSI and secret keys Beyond that,the SIM can store short messages and charging information,and it has a telephone book function and ... routing,and service feature processing The main difference between an ISDN switch and an MSC is that the MSC also has to consider the allocation and admin-istration of radio resources and the

Ngày tải lên: 23/12/2013, 17:15

... is also continuing Many new services and applications havebeen developed and standardized during the last few years and are now being implemented tech-in GSM networks and termtech-inals Substantial ... Trang 1Switching, Services and Protocols Second Edition GSM Switching, Services and Protocols: Second Edition JoÈrg EberspaÈcher, Hans-JoÈrg VoÈgel and Christian Bettstetter Copyright ... GSM Phase 2+ It covers new speech and data services,supplementary services,location services,service platforms,WAP,Advanced Speech Call GSM Switching,Services and Protocols: Second Edition JoÈrg

Ngày tải lên: 20/01/2014, 23:20

... link-layer, application-layer andtransport-layer.Chapter 3 focuses on PlanetSeer, a large-scale distributed system for routing anomaly detection and diagnosis We first describe the components and ... performanceusing striping techniques at the link-layer, transport-layer, and application-layer We arethe first to implement and evaluate a transport-layer protocol that can utilize multiplepaths ... performance and robustness.Based on the network layer where the striping techniques are applied, we classify theminto link-layer, transport-layer, and application-layer striping 2.1 Network Testbeds We

Ngày tải lên: 15/03/2014, 21:20

... entities and protocols deployed ateach layer of the transmission architecture in the previous section 3.1 Application layer control and adaptation The purpose of the application layer control and ... [17] 2.2 Transport and network layers The transport and network layers are based on a traditional multimedia streaming protocolstack, including the RTP, UDP, and IP protocols, and no modifications ... RTP/UDP/IPv6 protocols for SVC video transmission 2.3 Data link and physical layers The data link and physical layers supported by the OPTIMIX architecture do not strictlyfollow any specific standard and

Ngày tải lên: 21/06/2014, 17:20

... Segment CRC FEC Radio access bursts Application layer e.g., H.264 Transport and network layer: RTP/IP SNDCP/PDCP/PPP LLC/LAC layer RLC and MAC layer Physical layer GERAN, UTRAN Figure 2: Protocol ... 1categorizes and characterizes wireless video applications with respect to these aspects Especially the real-time services streaming and con-versational services, but also broadcast services, provide ... and the suitability of the H.264/AVC design for wireless video applications are dis-cussed Specifically, we categorize and evaluate different fea-tures of the H.264/AVC standard for different applications

Ngày tải lên: 22/06/2014, 23:20

... calendar events (vCalendar) [2], and so on Thus, existing standards and technologies are leveraged and can be easily migrated into WAP applications and services 1.3.3.5 A layered telecommunication stack ... sources of information and many applications and services are available through this medium Moreover, a whole new industry has arisen that offers networked applications and services that differ ... mobile financial services and 10.11 Principles of building scaleable n-tier 10.12 Building WAP applications 223 10.13 Building multichannel applications 226 10.14 Building financial WAP applications

Ngày tải lên: 27/06/2014, 00:20

... community Existing ISO standards and draft standards in the area of OSI network management form the basis of this profile Other ISO application layer standards (ROSE and ACSE) are used to support ... implement CMIP and accompanying ISO protocols over OSI, TCP and UDP transport protocols This memo must be read in conjunction with ISO and Internet documents defining specific protocol standards ... The Mitre Corporation B Handspicker Digital Equipment Corporation October 1990 The Common Management Information Services and Protocols for the Internet (CMOT and CMIP) Status of this

Ngày tải lên: 16/07/2014, 08:55

... deliver WTA services A WTA service provider offers enhanced telephony services to a WTA user agent by providing content and services accessible on a WTA server 4.6 WTA security model and access ... and their users may vary A WTA user agent executes telephony applications To be able to create telephony applications based on WML and WMLScript, there is a need to have access to the telephony ... the PDC, and the IS-136 specific libraries Functions defined in the network-common and network-specific libraries are only accessible from applications provided by a WTA service provider and executing

Ngày tải lên: 07/08/2014, 21:20

... securely provide applications, including electronic commerce, stock trading, two -way pager messages, and banking These applications require security to ensure their proper use and to protect the ... path for existing services, for example, SMS-based services A faithful old servant is notifications, primarily voice mail notifications Such services can easily be converted, and enhanced to WAP-using ... limited to pocket electronic organizers and cellular voice People and businesses have become accustomed to the availability of quick and easy communications and are performing all sorts of tasks

Ngày tải lên: 07/08/2014, 21:20

... horizontal applications and vertical applications Horizontal applications include applications like corporate e-mail, corporate directory, organizer, and access to corporate groupware In these applications, ... Infotainment services are facing a moderate level of demand and are seen quite opposite from entertainment services They are seen as pragmatic and quite useful The distinction between mass and personal services ... moving towards services First operators offered value-added services like voice mail, SMS, and operator services almost for free, and now they enhance their offerings with content services like

Ngày tải lên: 07/08/2014, 21:20

... 10Mobile Financial Services and Applications Stuart Marsden 10.1 Introduction This chapter looks at the opportunities and challenges facing the designer of mobile financial services and applications ... familiar and trusted retail brands may become the norm as branded wireless network providers In the meantime, mobile financial services and applications will target the high net-worth individual and ... next-generation mobile applications, it will be the power struggle between network providers and handset manufacturers to control the channel Content providers, Internet portals, and financial institutions

Ngày tải lên: 07/08/2014, 21:20

... generation of WAP -based financial services and applications The next generation of WAP-based financial services and applications will be driven by an increase in network bandwidth using technologies ... applications Over and above the considerations for building WAP applications, there are several factors which must be considered when designing and constructing mobile financial services (FS) applications ... mobile financial services application may one day look like See Figure 10.17 10.16 Possible mobile financial services applications using WAP It is worth examining some of the financial services offerings

Ngày tải lên: 07/08/2014, 21:20

... Kelly Coursey Understanding GPS: Principles and Applications, Elliott D Kaplan, editor Understanding WAP: Wireless Applications, Devices, and Services, Marcel van der Heijden and Marcus Taylor, ... Wong andDavid Britland Mobile Telecommunications: Standards, Regulation, and Applications, Rudi Bekkers and Jan Smits Personal Wireless Communication With DECT and PWT, John Phillips and Gerard ... for Engineers and Managers, William Webb GSM and Personal Communications Handbook, Siegmund M Redl, Matthias K Weber, and Malcolm W Oliphant GSM Networks: Protocols, Terminology, and Implementation,

Ngày tải lên: 07/08/2014, 21:20

... two layers are added in between the Service Layer and the Application Or- chestration Layer, namely the Service Management Layer and the Context Realization Layer The Service Management Layer ... ubiquitous applications is mostly realized in the User Interface Layer, Application Orchestration Layer and Service Layer, as illustrated in Figure 1.1 For instance, the presentation style of an application ... ubiquitous applications, research gaps have been identified on-in the development process of these applications ([17], [18], [19] and [20]) Most earlyubiquitous applications as demonstrated in [21] and

Ngày tải lên: 10/09/2015, 08:36

... QFD AND SERVQUAL: APPLICATIONS IN ACCOMMODATION SERVICES AND DISTANCE LEARNING ZHANG YU NATIONAL UNIVERSITY OF SINGAPORE 2003 Trang 2SERVQUAL: APPLICATIONS IN ACCOMMODATION SERVICES AND DISTANCE ... characteristics; 3 Process plan and quality control charts - identify critical product and process parameters and develop check points and controls for these parameters; and 4 Operating instructions ... manufacture and service sectors are more fiercely competitive and global than ever Consumers are more demanding, competition is more global, fierce, ruthless, and technology is advancing and changing

Ngày tải lên: 29/09/2015, 13:01

... Transport layer protocols – TCP and UDP header formats – TCP and UDP port numbers • The processes and protocols at the TCP/IP application layer – – – – – Domain Name Services File Transfer Protocols ... well-known TCP/IP applications Table of Content TCP/IP Transport Layer TCP/IP Application Layer TCP/IP TRANSPORT LAYER Introduction to transport layer • The primary duties of the transport layer are ... layer protocols • Describe TCP and UDP header formats • Describe TCP and UDP port numbers • List the major protocols of the TCP/IP application layer • Provide a brief description of the features and...

Ngày tải lên: 16/02/2014, 07:20

... Acknowledgment Transport layer protocols TCP and UDP header formats TCP and UDP port numbers The processes and protocols at the TCP/IP application layer Domain Name Services, File Transfer Protocols, Simple ... segment and reassemble several upper -layer applications onto the same transport layer data stream The transport layer defines end-to-end connectivity between host applications Transport services ... transport layer does the work of transporting data between • • applications on source and destination devices This module will describe the functions and services of this critical layer of the...

Ngày tải lên: 05/07/2015, 22:11

... web services directly—the portlet container will handle all of their portlet application s interaction with WSRP WSRP solves an application syndication problem If one portal serves a portlet application, ... aggregate portlets from local and remote sources and provide them to the user’s web browser as a portal web page Producer portals publish portlet applications as web services that consumers can ... architecture, with two producers and one consumer The WSRP model should open enterprise architectures to a new range of applications for portals because all portal applications will share a common...

Ngày tải lên: 05/10/2013, 04:20

... can calculate a set of (RAND, SRES) 2tuples in advance, store them in the HLR, and send them on demand to the requesting VLR The VLR stores this set (RAND[n], SRES[n]) and uses a new 2-tuple from ... blocks of the TCH/F9.6 and TCH/H4.8 channels to the standard format of 456 bits Thus, blocks of these channels can also be processed in a standardized way (interleaving, etc.), and the amount of redundancy ... transmitted (e.g a handover command), the current data block n is replaced by the convolutional coded FACCH message, and it is interleaved in a block-diagonal way with the data blocks (n 1) and (n 1) of...

Ngày tải lên: 17/10/2013, 21:15

... encryption and decryption on the data channel The RR sublayer provides several services at the RR-SAP to the MM sublayer These services are needed to set up and take down signaling connections and to ... controlled by Layer RR sublayer (layer management, establishment and release of channels) rather than by control procedures in the link layer Control of Layer SAPs by RR comprises activation and deactivation, ... FACCH) Between Layer and the RR sublayer of Layer there is a direct interface The abstract service primitives exchanged at this interface mostly concern channel assignment and Layer system information,...

Ngày tải lên: 20/10/2013, 15:15