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29
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Handling RX CAN messages in the AUTOSAR ASWC
I’m working with periodic RX CAN messages in an ASWC. I have several messages with a cycle time of 10 ms, some with 20 ms, and others with 1000 ms. I need to handle them using periodic runnables. ...
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1
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71
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How to create two nodes, each containing three layers (PHY, MAC, APP) in OMNeT++?
How to create two nodes, each containing three layers (PHY, MAC, APP) in OMNeT++? There should be at least two applications at each node. There should also be a wired or wireless connection among ...
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1
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325
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UDP Broadcast to all nodes
I am trying to solve OMNET++ Ad hoc wireless UDP message to all nodes. My config file is as:
<config>
<interface hosts='host*' address='192.168.0.x' netmask='255.255.255.x'/>
<...
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2
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285
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UDP Broadcast Messages to all nodes in OMNET++
I am using OMNET++ INET for Ad hoc networks.
I want to broadcast my message to all my neighbors in UDP. I have tried all the possible solutions in UDPBasicApp. It broadcasts a message to one node at a ...
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1
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169
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How to avoid services in DtoMappers layer
Good day, I have a Spring Boot based backend , we are using own library to convert JPA entities to Dto's (library works based on reflection).
The problem is , we inject service layer directly to some ...
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1
answer
189
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Network example - IP address
I just started to learn about networking and follow the book by Kurose and Ross. They have the following snippets of python code to illustrate the UDP protocol.
The code for the simple client is given ...
0
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1
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539
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Using Postgres' external procedural languages over application code [closed]
I am trying to figure out the advantages and disadvantages of using non-plpgsql procedural languages (PL/Python, PL/Perl, PL/v8, etc.) to implement data manipulation logic on the database level ...
2
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1
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943
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How to detect packets using http or other application layer protocols?
I am writing a program which can detects protocols used in network packets. For every packet receives it will try to detect protocols in layers such network and transport. Detecting protocols in ...
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1
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171
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What is the application layer specifically?
I was reading the Comptia network+ All in One Guide by Mike Meyers, and I came across this line:
"The application layer does not refer to the applications themselves, rather it refers to the code ...
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1
answer
108
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How to access information about network from TCP?
I am writing an application layer protocol in Java. It basically just transfers files. I would like it generate error messages if the transfer is unable to be completed or if the connection between ...
2
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0
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582
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UDP packets always arrive at the transport layer (detected by wireshark) but not are not always read by the application
Context
I have been creating a system where an raspberry PI is sending images to a remote client in real-time.
The raspberry PI captures the images using a raspberry PI camera. A captured image is ...
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129
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How are protocols used encoded in the data send over them?
I was reading answers to this this SO question explaining how the firewall will take certain actions dependent on the protocol data was sent over (such as FTP vs HTTP, etc.). In addition, the router ...
1
vote
1
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760
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What application layer protocol is being used when using sockets?
When using web browsers, the application layer protocol being used is HTTP. Whereas I frequently use sockets to create a connection to a server and pass along strings, a frequently used example in ...
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1
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59
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allow/restrict application protocols like ampq, mongodb, HTTP,etc in AWS security groups
I want to allow/disallow only certain application protocols like HTTP, mongodb, ampq, etc on my running EC2 instance.
I could see that in we can change inbound and outbound rules from security groups....
2
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0
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163
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OMNET++: INET 4.0 How to obtain beacon frame signal power in the app layer?
I'm using INET 4.0 framework for OMNET++ and I'm trying to obtain the received signal power of the beacon frames sent by Access Points at my AdhocHost's app layer.I am well aware that it is possible ...