The Data Communication Network of Shandong Unicom is a special data communication network, which carries the business support system, the operation support system, the managerment support system and other system to support the daily operation of the company. With the limitation of technology and equipment in the early construction of DCN, the access control list
(Read More…)
NGN (Next Generation Network) is an integrated network framework based on softswitch core.which can provide voice,data, multimedia and other services.NGN is a communications technology development direction and has been of great concern to the industry since NGN concept is proposed.With the maturity of the soft switching technology and NGN applications of the backbone network development,
(Read More…)
With the rapid developments in Internet and wireless technologies, the wireless local area network (WLAN) has attained the widespread application. The increased demands for more real-time services makes the QOS(quality of service) become a key problem in WLAN.WLAN performs the access control, medium sharing visit and channel resource distribution through the (media access control) (MAC)
(Read More…)
With the rapid development of VOIP technology, more and more enterprises attach great importance to VOIP telephone system because of its low cost, easy to implement value-added services and so on. And VOIP telephone system is now generally considered as the future technology direction. However, the signaling network which is widely used by the traditional
(Read More…)
Web service is a hot research at present. As one of the important branch in web service system, the development of web service discovery affects the development of the web service. There are still some weaknesses in today’s web service discovery technology: In one hand, the model of web service discovery is not very perfect,
(Read More…)
Nowdays, with the development of science and technology, particularly the rapid development of communication technology, the simple voice and SMS services can not meet the needs of daily life. IEEE 802.16e is an emerging broadband wireless access technology, which provides users with sufficient bandwidth, high transmission rate and multimedia services with high spectral efficiency, IEEE
(Read More…)
Grid workflow is the combination of the grid and workflow management which provides a highly promising solution for the design of the next generation of the distributed and collaborative workflow system. Grid workflow scheduling, as one of the key issues in the Grid workflow management, can have significant impact on the performance of the system.
(Read More…)
On the ages in Internet high speed development, business enterprise inner part of information-based and the information exchanges of the business colleague’s is more and more important, VPN network Be solve this need of efficiently one of the ways, drive more and more of customer use. MPLS-VPN because of it in QoS and the discharge
(Read More…)
The current telecommunication network is undergoing profound changes, from the traditional circuit-switched network based program-controlled exchange, toward the IP network, to packet-switched network-based softswitch. Face IP network, the original traditional network troubleshooting techniques becomes increasingly applied no longer.The softswitch network, according to the function is divided into different levels and various functional levels of connectivity
(Read More…)
The IP Multimedia Subsystem or IP Multimedia Core Network Subsystem (IMS) is an architectural framework for delivering Internet Protocol (IP) multimedia services. It was originally designed by the wireless standards body 3rd Generation Partnership Project (3GPP), as a part of the vision for evolving mobile networks beyond GSM. Its original formulation (3GPP Rel-5) represented an
(Read More…)
