Software Engineering Stack Exchange
Software Engineering Stack Exchange

Questions tagged [service-bus]

38 questions
19
votes
2 answers

How granular should a command be in a CQ[R]S model?

I'm considering a project to migrate part of our WCF-based SOA over to a service bus model (probably nServiceBus) and using some basic pub-sub to achieve Command-Query Separation. I'm not new to SOA, or even to service bus models, but I confess that…
Aaronaught
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18
votes
1 answer

Should I use a command or an event?

The difference between a command and an event in bus communication seems a little vague to me. I know that commands should be executed once only, while an event can be handled multiple times, but still I'm not sure when to use a command or an event.…
Andrzej Gis
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11
votes
7 answers

Best way for a technical manager to stay up to date on technology

My manager asked for a list of technical blogs he should follow to stay current on technology. His problem is he keeps hearing terms that he hasn't heard of (i.e. NoSql, sharding, agure, sevice bus, etc.) and he would prefer to at least have a…
JoelFan
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10
votes
1 answer

Single source of truth within an enterprise distributed system

Within an enterprise distributed system I have many services - an E-commerce service, a CRM, support desk, finance, billing. Many of these services share common data, such as Customer data. These services communicate with each other using an…
MrDeveloper
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10
votes
1 answer

Diagramming messages on a service bus

I'm looking for a way to clearly diagram how multiple applications communicate via a service bus. The best I've come up with so far is a sequence diagram, but I really don't like that. Sequence diagrams necessarily relate some sort of sequence, and…
p.s.w.g
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7
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5 answers

What ESB systems work the best for .Net stack

What Enterprise Service Bus would you use and why?
Erin
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5
votes
1 answer

Difference between ESB and ETL

When should a ESB vs ETL tool be used? I have worked on ESB projects using Tibco Businessworks quite a few years ago. The message bus that we built used to consume messages from a source system , applying validation , perform transformation and send…
Punter Vicky
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4
votes
2 answers

Using distributed locks in microservice environment

I'm developing distributed system and trying to use best practices of microservice architecture. I was faced with a situation when I think I need something like distributed locks. Since I have not so many experience in microservices and still not…
Alexander Bikkuzhin
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4
votes
1 answer

Service bus and authentication

I have a system that consists of several applications. Often these applications need to talk to each other. Sometimes it can make sense to use a "service account" for the communication but other times it will be necessary to authenticate the request…
Ward Clark
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4
votes
1 answer

Actor pattern in azure service fabric

I'm currently designing an application, and I'm confused at how to break apart my monolith application. After doing some research, service fabric actors seem to be the best solution for simple processing, but I'm confused at the approach I should…
Blue
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4
votes
1 answer

Identity propagation using Azure service bus

We currently have a platform with a SOA architecture in which the user's identity is propagated from the web application via middle tier services (REST and SOAP) until we actually query our data storage layer. We use the user's identity to apply…
MvdD
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4
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1 answer

Azure ServiceBus Queue: Consumer Application

I am running a .net MVC4 web application. I want to be able to hit an action on a controller, create an email and send it to my service bus queue to be processed (sent). What are my options as far as creating a consumer for my queue? I've…
Daryl
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4
votes
1 answer

How many Topics (queues) to practically use in an ESB

In all the Service Bus examples and tutorials I've seen, they cover publishing a single message to a single Topic that is picked up by a single listening Subscriber. Whilst this is good for a simple practical overview, it doesn't really explain how…
MrDeveloper
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3
votes
0 answers

ZeroMQ and Majordomo protocol

I am learning ZeroMQ and came across the Majordomo Protocol. I am wondering if I'm understanding this correctly, is the use case the same as.. for example.. the Microsoft Azure AppFabric service? Would I use Majordomo if I wanted to create an…
Will I Am
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3
votes
1 answer

How does one deliver messages to (and query from) sites with possibly bad connectivity, having numerous WCF Soap and Web API services?

My company is investigating using a service bus. Currently we have running prototypes of NServiceBus and Microsoft Service Bus (on premise). I'm quite happy with the pub-sub and topic messaging capabilities the bus provides but I'm getting lost in…
Ruaan Kruger
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