Tuesday 10 March 2020

Performance Evaluation ofAndroid Operating System

Performance Evaluation of Android Operating System
Instant messenger, often shortened to IM is one type of communication service that allows person to have a conversation (chat) privately with others via the internet. Within the calls & messaging on Android and iOS operating systems, they both have an equal value in the terms of innovation and performance. In this work, we focus on evaluate the performance of the IM application on Android and iOS operating systems used several criteria; delay, packet size, and throughput. We usetwo methods of data collection; primary and secondary data, and compare the IM application using simulation methods. Input parameters for this simulation is in thestanza form of a text message, and the output consists of delay, packet size, and throughput. The results of this work indicate that the IM on iOS operating system with criteria of delay, packet size and throughput can send and receive messages faster than IM on android operating system

Message id is an element of the XML form that serves to show the id of every sent message.b)Message tois an element of the XML form that serves to indicate the sent message to the recipient's address. c)Message Fromis an element of the XML form that serves to show the messages from the sender address. d)Message typeis an element of the XML form that serves to indicate the type of sent message.e)Bodyis an element of the xml form that serves as the content of the message to be sent. f)Threadis an element of the XML form that serves to demonstrate the unique of each conversation,asentmessageinaconversation has a thread that differentiates messages in one conversation with another conversation.https://codeshoppy.in/

.Cellular network optimization can be seen as a process to improve the overall network quality as experienced by the mobile subscribers and to ensure that the network resources are efficiently utilized. In design of any system Quality of Service (QoS) is one of the important issues from both customers and providers point of view that means customers expect the service of best quality from the system providers and providers want to give best quality of service to the customers from the system. Same in case of wireless communication systems. All the parameters related to QoS are having different importance for all customers and applications. The contentment level of different customers depends on different QoS parameters[5].The general quality of service (QoS) parameters most considered in the packet switched network are delay, packet size, and throughput [6].Quality of service (QoS) has a standard requirement for some primarily one-way of media data transfer/retrieval that is throughput should be less than 384 kbit/s or 384000 bit/s bps and delay should be less than 10 second [7].Based on the data above, the number of instant messenger is more than the number of smartphones itself that dominated by Android and iOS operating systems. However, according to DigitalTrends, these two operating systems ability are tend to be balance.
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Conceptual Model Conceptual models are used to describe the architecture system comparison instant messenger applications on iOS and Android smartphone devices. Fig.2. shows that Openfire used as a server.Smartphones based on iOS and Android which they have instant messenger applications installed to exchange messages between one to another device. The messages that will be included in the application form as a character, but when it is sent to the server itwill be shaped as stanza which is an XML that contains the sender, the recipient, the type of chat, message and the thread that is used as a unique individual messages. MySQL database is used as a data source such as instant messenger user account, admin account, sent messages, etc., are all stored in a MySQL database. Wireshark is used for monitoring the system which in this study is devoted to see the way the message from the sender to the recipient until passing the port 5222. This port is used for interaction from the client to the server and vice versa. Routers are used as data communication lines between smartphone with Openfire which exchange data messages. 
In this stage, we perform verification and validation of the previous stages. We correct or improve if something goes wrong at each stage of the simulation method. Verification is done by testing the IM applications on IOS smartphone and Android device whether it is run according to the flowchart simulations. While the validation is done by testing the IM application on IOS smartphone and Android device whether corresponding to the provisions of the stages of conceptual models, input/output data, and modeling.
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