function of transport layer protocols

... performance using striping techniques at the link -layer, transport- layer, and application -layer. We are the first to implement and evaluate a transport- layer protocol that can utilize multiple paths ... CDF of latency ratio of overlay paths to direct paths . . . . . . . . . . . . . . 59 3.12 CDF of number of path examined before finding the intercept path . . . . . . . 61 4.1 CDF of number of ... striping without requiring any changes to the upper layers of the protocol stack. Another area of related work is the use of striping at the application -layer to improve throughput by opening multiple...

Ngày tải lên: 15/03/2014, 21:20

... indicate which of the Methanosarcina Fd proteins function as natural elec- tron carriers. Localization and dual function of FpoF As a prerequisite for the in vivo action of FpoF as an Fd:F 420 oxidoreductase, ... fact cannot be explained by trafficking of premature FpoF intended for binding to the FpoA–O complex but points to a second function of the soluble form of FpoF that is characterized by a slow electron ... cell lysates of the DfpoA-O mutant or the DfpoF mutant was in the range of 5 mUÆmg )1 of protein and hence 10-fold higher than the rate of H 2 production from F 420 H 2 in the absence of CoM-S-S-CoB....

Ngày tải lên: 14/03/2014, 23:20

... RNA and downstream by an ORF of unknown function. The sequence of the crr region contains two possible start codons. Analysis of the Fig. 1. Genetic organization of the S. coelicolor crr gene ... °Cinareaction volume of 0.1 mL containing rate-limiting amounts of IIA protein (50 pmoles), 55 lgproteinofLM1extract,and a final concentration of 12 l M [ 14 C]aMG (1.4 mCiÆmmol )1 ). Phosphorylation of aMG ... IIA Crr could replace the functions of E. coli IIA Glc in glucose transport and inducer exclusion. These findings suggest that IIA Crr might be involved in carbohydrate transport and C-regulation...

Ngày tải lên: 17/03/2014, 23:20

Ngày tải lên: 01/04/2014, 12:20

Ngày tải lên: 21/06/2014, 08:20

Ngày tải lên: 13/08/2014, 16:20

... assignment, means of transport in Hanoi as well as from Hanoi to Sapa by bus, by train, by motorbike… II. Body : It shows some typical features of Sapa, the history and development of history of train, ... infrastructure of the national railway network. More over, the current development of tourism make for high demand of train service from Ha Noi to Sapa and vice versa.There are five couples of train ,of ... from Hanoi with variety means of transport. It’s good idea to go to Sapa from Hanoi. Sapa is really an attractive destination of tourists all over the world because of beautiful sites and traditional...

Ngày tải lên: 03/09/2012, 09:19

... response stop and wait Transport Layer 3-23 Principles of Reliable data transfer ❒ important in app., transport, link layers ❒ top-10 list of important networking topics! ❒ characteristics of unreliable ... control ❒ learn about transport layer protocols in the Internet: ❍ UDP: connectionless transport ❍ TCP: connection-oriented transport ❍ TCP congestion control Transport Layer 3-49 Selective ... from above Wait for ACK or NAK 1 Λ Λ Transport Layer 3-5 Transport vs. network layer ❒ network layer: logical communication between hosts ❒ transport layer: logical communication between...

Ngày tải lên: 12/09/2012, 15:06

Ngày tải lên: 30/08/2013, 23:58

Ngày tải lên: 05/09/2013, 14:58

Ngày tải lên: 05/09/2013, 17:03

Ngày tải lên: 07/09/2013, 13:45

... are working with them to enhance the features of SIP servers so that they can have the functionality of a softswitch. Such a softswitch may perform the functions of a call controller, MGC, and SS7 SG. SIP ... enhanced 3 As mentioned earlier, the softswitch concept probably originated during the development of MGCP. A softswitch is sometimes referred to as a collection of software-defined entities residing ... 1 of the H.323 protocol: a. Many of the desired and advanced PSTN-domain call features and ser- vices could not be easily implemented using H.323v1 because of its lack of openness (i.e., all of...

Ngày tải lên: 30/09/2013, 07:20

Ngày tải lên: 01/11/2013, 12:20

Ngày tải lên: 17/12/2013, 15:09

... the establishment of TCP sessions Học viện mạng Bách khoa - Website: www.bkacad.com 29 Transport Layer Role and Services • Describe the role of segments in the transport layer and the two ... Synchronize sequence numbers – FIN: No more data from sender Transport Layer Role and Services • Major functions of the transport layer and the role it plays in data networks – Tracking the ... Website: www.bkacad.com 25 Transport Layer Role and Services Học viện mạng Bách khoa - Website: www.bkacad.com 9 • At the Transport layer the three basic operations of reliability are: – Tracking...

Ngày tải lên: 22/12/2013, 13:17

Ngày tải lên: 03/01/2014, 19:44

... taking relationship between the amount of unique strategies and comprehension Block (1992) 16 proficient readers of English, 9 non-proficient readers of English; think- aloud reports at ... University of Transport and Communications (hereafter UTC). The study of learning strategies in other English skills would be beyond the scope. 1.2.2. Aims of the study The major purposes of this ... both of these processes. This view is now shared by a majority of researchers in a numerous number of studies on reading. The last part of the chapter discusses reading strategies, the focus of...

Ngày tải lên: 29/01/2014, 10:33

... recruitment of MOF to recently transcribed regions, especially at the 3¢ ends of genes where H3-K36me3 is enriched [128]. In mammalian cells MOF also exists as part of a sepa- rate MOF–MSLv1 complex ... region of nucleosome mobilization upstream of the GM-CSF gene, it can also be seen that a fraction of the nucleosomes end up as fragments of close packed nucleosomes with a repeat length of just ... enrichment of AcH4-K16 within transcribed genes is closely correlated with binding of both MOF and Tip60 (equivalent to Esa1 in yeast NuA4) [124,130]. However, in human cells depletion of MOF, but...

Ngày tải lên: 14/02/2014, 18:20