Tài liệu IP for 3G - (P2) pdf

... promoted IP for 3G: Networking Technologies for Mobile Communications Authored by Dave Wisely, Phil Eardley, Louise Burness Copyright q 2002 John Wiley & Sons, Ltd ISBNs: 0-4 7 1-4 869 7-3 (Hardback); ... it moves from being Mobi- lity Management (MM)-connected to being MM-idle (when it was turned off completely, it was MM-detached). Mary then boards a bus for the Polytech-...

Ngày tải lên: 21/01/2014, 15:20

... Priorities, 3GPP, November 2001. http:// www.3gpp.org/TB/Other/IETF.htm 3GPP requirements in SIP, Internet Draft (work in progress), November 2001. draft-garcia-sipping-3gpp-reqs-02txt Recommendations for ... (compares all IP architectures – 3GPP R5, 3GPP2 all IP and MWIF NRA). http:// www.mwif.org/gap.ppt CDMA Development Group (CDG). http://www.cdg.org IP FOR 3G2 76 3GPP Interact...

Ngày tải lên: 21/01/2014, 15:20

... supremely optimised for voice delivery, but for future multimedia services where voice, ECONOMIC REASONS FOR IP FOR 3G 15 video, real-time, non-real-time and multicast all mix together, IP evolution ... thing and therefore should be worked into 3G are discussed. 1.2.2 3G What is meant by 3G in the context of this book? IP FOR 3G 3 3G is short for ‘third generation mob...

Ngày tải lên: 24/12/2013, 09:17

... should be self-healing. 3.4.2 The End-to-end Principle The second major design principle is the end-to-end principle. This is really a statement that only the end systems can correctly perform functions ... current problems of IP, the shortage of IP addresses, and finally a discussion on IPv6, the next generation of IP. The IP Packet Header The current version of IP is IPv4. The IPv4...

Ngày tải lên: 21/01/2014, 15:20

... networks, and even in a future IP for 3G network. We presented two examples of the uses of SIP – firstly how SIP can facilitate PSTN-Internet inter-working, and secondly how SIP can be used to provide ... Schulzrinne H, Interworking Between SIP/SDPand H.323. Proceed- ings of the 1st IP- Telephony Workshop (IPTel2000), April 2000. Dalgic, Fang, Comparision of H.323 and SIP for IP tel...

Ngày tải lên: 21/01/2014, 15:20

... CoA with the SIP server. Another option is for macromobility to be supported by mobile IP for long-lived TCP connections (e.g. FTP), and by SIP for real-time sessions. MOBILE IP – A SOLUTION FOR TERMINAL ... of Mobile IP The best-known proposal for handling macromobility handovers is Mobile IP. Mobile IP has been developed over several years at the IETF, initially for IPv...

Ngày tải lên: 21/01/2014, 15:20

... be possible for all users to agree on a common data format – for example, if one user has a very-low-bandwidth link and all other users want high-quality audio. Mixers, placed just before the start ... Louise Burness Copyright q 2002 John Wiley & Sons, Ltd ISBNs: 0-4 7 1-4 869 7-3 (Hardback); 0-4 7 0-8 477 9-4 (Electronic) service for a specified bandwidth of traffic, coul...

Ngày tải lên: 21/01/2014, 15:20

Ngày tải lên: 10/12/2013, 12:15

... to 1.8E+308. Floating-point numbers include a deci- mal point and can include a + / - sign and an exponent value. Examples of floating-point numbers include 3.14 +0.9e-2 -1 70000.5 54.6E42 2.5.3 ... $str . "i"; print $str; Tip: For many cases, PHP has string manipulation functions which use ef - cient algorithms. You should first look at them before you access strings di...

Ngày tải lên: 12/12/2013, 22:15