Communication and Networking: International Conference, by Sun-Min Hwang, Seung-Min Han, Ga-Won Lee, Eui-Nam Huh

By Sun-Min Hwang, Seung-Min Han, Ga-Won Lee, Eui-Nam Huh (auth.), Dominik Ślęzak, Tai-hoon Kim, Alan Chin-Chen Chang, Thanos Vasilakos, MingChu Li, Kouichi Sakurai (eds.)

As destiny iteration info know-how (FGIT) turns into really good and fr- mented, possible lose sight that many issues in FGIT have universal threads and, due to this, advances in a single self-discipline can be transmitted to others. Presentation of contemporary effects acquired in numerous disciplines encourages this interchange for the development of FGIT as an entire. Of specific curiosity are hybrid recommendations that c- bine rules taken from a number of disciplines with the intention to in attaining whatever extra signi- cant than the sum of the person components. via such hybrid philosophy, a brand new precept will be found, which has the propensity to propagate all through mul- faceted disciplines. FGIT 2009 used to be the 1st mega-conference that tried to stick to the above inspiration of hybridization in FGIT in a kind of a number of occasions relating to specific disciplines of IT, carried out by way of separate medical committees, yet coordinated in an effort to disclose crucial contributions. It incorporated the subsequent overseas meetings: complicated software program Engineering and Its purposes (ASEA), Bio-Science and Bio-Technology (BSBT), keep an eye on and Automation (CA), Database conception and alertness (DTA), D- aster restoration and company Continuity (DRBC; released independently), destiny G- eration communique and Networking (FGCN) that used to be mixed with complicated conversation and Networking (ACN), Grid and dispensed Computing (GDC), M- timedia, special effects and Broadcasting (MulGraB), safeguard know-how (SecTech), sign Processing, picture Processing and development popularity (SIP), and- and e-Service, technology and know-how (UNESST).

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Extra resources for Communication and Networking: International Conference, FGCN/ACN 2009, Held as Part of the Future Generation Information Technology Conference, FGIT 2009, Jeju Island, Korea, December 10-12, 2009. Proceedings

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The output bandwidth (bytes/second) of various PEFD algorithms Rate Control Algorithms Algorithm 1 Algorithm 2 Algorithm 3 Algorithm 4 Algorithm 5 4 Output bandwidth 18,143 18,438 18,008 18,241 (n = 4) (n = 3) (n = 2) (n = 1) (n = 0) 17,229 16,596 15,138 13,102 11,535 Experimental Results In our experiments, the proposed algorithms are implemented in an IP CAM. The client is a PDA. In addition, all the video sequences captured by the IP CAM are transmitted over wireless network. The IP CAM contains an MPEG-4 ASIC for encoding video sequences.

Wi,K . The subtree rooted at wi,j , denoted by Ti,j , is unary. Let T be the complete tree shown in Figure 1. , vC . (1), where ri,j is the leaf node of the Ti,j . -P. Lin et al. Fig. 2. (2), where di,j is obtained by measuring the average distortion of the reconstructed video sequence i encoded with rate ri,j . The largest S is T . , ri,j = Rj ). , vC . In this case each Bi,j obtains only minimum bit rate R1 . Consider the set of points (D(S), R(S)) of all the subtrees S of T in the ratedistortion plane.

Let Bi,j be the set of clients associated with the server subscribing the video sequence i with rate ri,j ≤ Rj , where 1 ≤ i ≤ C and 1 ≤ j ≤ K. , Rj }. , Rj for all the clients in set Bi,j ). The actual allocated bandwidth ri,j may be lower than the specified one. Let ni,j be the number of clients in the set Bi,j . Therefore, the total bandwidth consumed by the server, denoted by R, is given by CDN-Based Video Streaming Using Dynamic Bandwidth Allocation 35 Fig. 1. The tree model for generalized BFOS algorithm for fast dynamic bandwidth allocation C K R= ni,j ri,j .

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