Why is HAL deprecated an not widespread? The main idea behind the HAL is to add an abstraction level above http endpoints. Instead of working with hardcoded addresses a concept of relations is used...

I have gone through different questions/articles on Message Brokers and ESBs(Even on stackoverflow). Still not a clue as what is the CLEAR demarcating difference between an Message Broker and an ES...

My system has two different types of messages - type A and B. Each message has a different structure - type A contains an int member and type B contains a double member. My system needs to pass bot...

Anyone can compare the underlying design and performance among kafka, chronicle queue and disruptor, in terms of logging? Seems kafka has most users but don't avoid GC.

Hi I am new to Tibco RV. After reading the Tibco Rendezvous Concept, I am still confused about the transport parameters: service, network, daemon. So conceptually there is only one daemon running ...

I need to read and publish messages to a Rabbit MQ instance from multiple app services on Azure. Could anyone please suggest the Azure service that I should be using to host the Rabbit MQ instance?...

As Kafka has a topic based pub-sub architecture how can I handle One-to-One and Group Messaging part of web application using Kafka? I am using SpringBoot+Angular stack and Docker Kafka server.

I have been developing an App with react native and i am now looking at rebuilding the App using Flutter. Before i start on a rebuild i was researching the functionality of Flutter and seeing if it...

I'm using react-native-firebase v6.4.0. I successfully registered a background handler with setBackgroundMessageHandler and everything works fine. Now I'm trying to handle notification tap when the...

I know that is a hard question, and we have a similar question here differentiate-celery-kombu-pyamqp-and-rabbitmq-ironmq But I'm still confused about the difference between each other Celery is...

This question is about architecture and kafka topics migrating. Original problem: schema evolution without backward compatibility. https://docs.confluent.io/current/schema-registry/avro.html I a...

Considering a stream of different events the recommended way would be one big topic containing all events multiple topics for different types of events Which option would be better? I underst...

All of the examples of Kafka | producers show the ProducerRecord's key/value pair as not only being the same type (all examples show <String,String>), but the same value. For example: produc...

I'd like a basic message passing/RPC system. I could use a serialisation system but I want some sort of verification to ensure both ends are synchronised. I've looked at Google Protocol Bu...

I've been trying to figure out exactly what message-oriented middleware is, but haven't been able to find any non-enterprise real world examples that make sense to me. Can anyone give me a clear an...

The RabbitMQ Java client has the following concepts: Connection - a connection to a RabbitMQ server instance Channel - ??? Consumer thread pool - a pool of threads that consume messages off the Ra...

Background I am studying ApacheMQ for a project where we need a message broker. Upon reading the official page I see some features that I am interested in: Access to messaging Enterprise Integra...

If I use listener.concurrency property, would this use KafkaMessageListenerContainer or ConcurrentMessageListenerContainer? Note I have not defined any beans explicitly and I leave the required bea...

To be more specific for my application: the shared data are mostly persistent data such as monitoring status, configurations -- not more than few hundreds of items, and are updated and read frequen...

I am working for a while with ZeroMQ. I read already some whitepapers and a lot from the guide, but one question remained open to me: Lets say we use PUB-SUB. Where or on which system are the mess...

Note that I'd like multiple message listeners to handle successive messages from the topic concurrently. In addition I'd like each message listener to operate transactionally so that a processing f...

How does AMQP overcome the difficulties of using TCP directly when sending messages? Or more specifically in a pub/sub scenario?

I am using a standard Amazon SQS queue. Using boto3 library in python3 to interact with SQS. Following is my code for receving messages and then deleting them: from boto3.session import Session b...

As a seasoned Spring user I was assuming that Spring Integration would make the most sense in a recent project requiring some (JMS) messaging capabilities (more details). After some days working wi...

I am using RabbitMQ to have worker processes encode video files. I would like to know when all of the files are complete - that is, when all of the worker processes have finished. The only way I c...