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design a gateway that forwards data from a sensor to a server in java

€30-250 EUR

Closed
Posted over 6 years ago

€30-250 EUR

Paid on delivery
-design a gateway that forwards data from a sensor to a server, using sockets, datagram packets and threads. - allow a sender node to send a packet to a gateway with a packet that should be forwarded to a server. The server would reply to the receipt of a packet with an acknowledgement. The packet from the sender should carry a sequence number and the acknowledgement should carry the sequence number that the server expects next. The sender should resend the packet if it has not received an acknowledgement after a given time. -The setSoTimeout method of the DatagramSocket class causes an exception to be thrown if a receive method has not returned within a given time. This timeout mechanism may form the basis for a timer mechanism. - allow for the gateway and the server to handle multiple clients at any given time and the server to send a negative acknowledgement to the client if it receives a packet with a segment number that it did not expect. PLUS a report : (1) explains the design + implementation of the protocol, accompanied by snapshots of some of the packets that were transmitted , it should highlight the management information in these packets and illustrate how this information is used
Project ID: 15567541

About the project

7 proposals
Remote project
Active 6 yrs ago

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7 freelancers are bidding on average €243 EUR for this job
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Dear Customer, My name is Yuriy Tumakha. I am interested in your Sensor Gateway project. I am Senior Scala/Java Developer with 12 years of experience and strong problem-solving skills. Relevant Skills and Experience Java, Scala, Telecommunications Engineering Proposed Milestones €125 EUR - Task 1 €125 EUR - Task 2
€250 EUR in 5 days
4.9 (16 reviews)
5.4
5.4
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I am an IITK graduate and I have 11 years of experience in software development. I have 100% completion rate and I have finished all the projects with the highest level of customer satisfaction. Relevant Skills and Experience I usually finish projects with ease on which other freelancers have already given up. I learn and understand new stuff very fast and finish the job with top quality and reliability. Proposed Milestones €155 EUR - First Milestone
€155 EUR in 3 days
4.0 (24 reviews)
5.6
5.6
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Hi there! I am professional web developer and programmer and i read your posted description extremely carefully and i can do this for you in better way. Relevant Skills and Experience Experienced web developer and programmer Proposed Milestones €242 EUR - Complete I will feel glad to talk to you. Thank You
€242 EUR in 3 days
5.0 (2 reviews)
2.9
2.9
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Worked on device gateway with hospital systems. Relevant Skills and Experience Expertise in Java and network programming.
€277 EUR in 5 days
0.0 (0 reviews)
0.0
0.0
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Hi, I'm a C++ and Java developer with a lot of network packeting system experiences, such as distributed Server/Client of trading system, and looking forward to discuss with you about the project. Relevant Skills and Experience Java Networking Protocol Proposed Milestones €277 EUR - Complete the project
€277 EUR in 3 days
0.0 (0 reviews)
0.0
0.0
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A proposal has not yet been provided
€250 EUR in 10 days
0.0 (0 reviews)
0.0
0.0

About the client

Flag of IRELAND
Dublin 17, Ireland
5.0
1
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Member since Nov 5, 2017

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