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Address: http://www.sipcenter.com/sip.nsf/html/Chinese+SIP+Overview Introduction Next-generation services Historical Review Advantages of SIP: Web-like scalable open communication SIP session Composition Introduction Communication providers and

Introduction Communication providers and their partners and users are increasingly eager for a new generation of IP-based services. Now we have the SIP Session Initiation Protocol. SIP was born less than a decade ago in the computer science

People often get confused when they understand the IPv6 in the 3GPP/3GPP2 system, which is caused by the IPv6 at two different levels. First is the data load level, where the user data flow through the operator PLMN from MS to PDN. The other is the

Starting from the R4 phase, NGN and 3G technology begin to come together: the soft switching mechanism of NGN load and control separation, the unified IP/ATM Packet service bearer are introduced into the 3G core network. The similarities and

The evolution of the next Generation network is mainly based on two routes: the first route is mainly embodied in the transfer of the traditional telecommunication service from the dedicated TDM bearer to the unified shared IP/ATM network, and the

comparison between WCDMA and CDMA2000 network structure Author: Baoxiangwen Ma Xunong Wan Bing JieAt present, the mobile communication system is developing towards the third generation, because there are two different 2G formats, so 2G to 3G

Embedded Operating System (wince) 1 Introduction to the embedded operating system Windows CE. netWindows CE. Net is a successor to Windows CE 3.0. Windows CE. NET is re-designed for the embedded market and provides a robust real-time operating

Common defense systems and solutions for DDoS security products traditional SolutionsEarly DDoS defenses are detected and implemented through firewalls and routers, which have some protection against early attacks, and firewalls are very effective

Common defense systems and solutions for DDoS security products traditional SolutionsEarly DDoS defenses are detected and implemented through firewalls and routers, which have some protection against early attacks, and firewalls are very effective

PIX 525 Product Essentials and application environment Cisco PIX 525 Firewall Application Environment The Cisco Secure PIX 525 Firewall is part of the world's leading Cisco Secure PIX Firewall series, providing unmatched security, reliability, and