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Questions tagged [duplex]

A duplex communication system is a point-to-point system composed of two connected parties or devices that can communicate with one another in both directions, simultaneously.

A duplex communication system is a point-to-point system composed of two connected parties or devices that can communicate with one another in both directions, simultaneously. An example of a duplex device is a telephone.

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Duplex communication with WCF without CallbackContract

What is good practice using WCF for the following scenario? Basic description There are several modules (programs) which will provide a WCF Service. Each application can start more than one time. The normal case is that this applications are started…
Daniel Bişar
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Silverlight PollingDuplexHttpBinding and cross domain issues

I created a silverlight component and a WCF service, both are communicating using a PollingDuplexHttpBinding to enable push and pull functionality. Works perfectly in our domain, however, a host outside our domain makes completly no calls to the…
Michiel
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wcf duplex large message gives no meaningful reply on large message with ReliableSessions

I am using a NetTCP duplex binding to send a document from the server to the client as byte[]. When this byte[] is pretty large (say 10Meg) the server quits by giving The server did not provide a meaningful reply; this might be caused by a contract…
jwdehaan
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securing duplex WCF MSMQ

I'm building a system where several clients are connected to a central server by WCF using duplex MSMQ (updates are sent to the server, messages are periodically pushed out to several clients). How do I best secure this scenario? The nature of…
SteveCav
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WIA via silverlight, duplex scanning

I'm trying to scan an A3 page in duplex using my Xerox documate 752. I'm getting it to scan fine using the document feeder but only on side. How do I access the other image?? Here is my basic code: dynamic imageFile1; dynamic imageFile2; dynamic…
keeney
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[WCF Duplex]Could not find endpoint element that references contract in the ServiceModel client configuration section

I have a publish-subscribe notification running with wcf duplex wsdualhttpbinding. But when I started to subscribe in client side, I got the message: "Could not find endpoint element that references contract in the ServiceModel client configuration…
Le Danh
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ASP.NET continuous data streaming suggestion

I have a problem. I have a client server setup. My client wants to share data (binary) with all other clients. I don't want to have an extra database layer primarily because I don't have the need for storing the data and secondary, I want to skip…
Jayesh
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How do I debug WCF Duplex server callbacks vanishing on a silverlight client?

So, I have a duplex server housed in a service that provides webservices to a Silverlight 4 control. Most of the time everything works -- but one specific callback which should retrieve a collection, never seems to be consumed by the client. I…
jwrush
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PHP TCP/IP full duplex client

My task is to write a full duplex TCP/IP client using PHP. The client connects to a server and sends a heartbeat packet using a predefined interval. This is OK and I know how to handle it. The server can send a data packet time to time. This is my…
user3523426
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WCF Duplex Service with Inter-Session communication

I'm trying to implement a WCF service with duplex messaging for a multi-user status messaging system... What I can't really figure out how to do though (I'm very new to WCF) is communicate across sessions within the WCF service instance. So, for…
Adam Haile
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Duplex WCF service channels continuously alive (WSDualHttpBinding)

The arhitecture: console application that contains a wcf duplex service; windows app consumers; every app subscribe to Duplex, so we have a list of subscribers and the service must send notifications to some of them in case that some events…
sh_001
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Is there any way i can use google duplex in my project/or there is any Api available regarding that

i want to use google duplex service in my app and web and use its result into my app to make some appointment or some thing like that. how i can impliment it.is there any api available or not?
Hamza Nawaz
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Checking the server avaliability over DuplexChannelFactory without Faulted state

When a DuplexChannelFactory is created with 'CreateChannel()' the status is 'Created', this state only means the duplex connection request is ready to be connected. The problem is that when calling 'Open()' if the server isn't available the…
Dan Hall
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Is the Node.js internal duplex stream equivalent to the duplexify library?

Node.js has an internal implementation of Duplex Streams, defined as: Duplex streams are streams that implement both the Readable and Writable interfaces. There is a widely popular package called Duplexify:…
yodama
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Consuming WCF Duplex Service from ASP.NET Core Web Api

I have a WCF duplex service that sends messages to several clients. This part is working good but the thing I need to do is starting the process from an ASP.NET Core Web API. I have a UI that is using this API and when the user submits the form in…
Okan SARICA
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