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Questions tagged [sctp]

Stream Control Transmission Protocol (SCTP) is a transport layer protocol providing reliable transport of data like TCP but with message oriented features like UDP.

It provides some of the same service features of both: it is message-oriented like UDP and ensures reliable, in-sequence transport of messages with congestion control like TCP.

http://en.wikipedia.org/wiki/Stream_Control_Transmission_Protocol

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Netty SctpMultiChannel

Is there support for SCTP multichannel in Netty library? I have checked the source code and it depends on the SctpChannel class and there is no use to the com.sun.nio.sctp.SctpMultiChannel. And if the answer is 'No', then is there any plan to…
MON205
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Firefox does not allow initiating unreliable WebRTC dataChannels?

In this example I'm using simple-peer, although I have tested with other implementations as well as my own. This seems to be an issue with creating the data channels. The example from the github page of simple-peer has been slightly modified and…
Matt DeVenge
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Exposing SCTP port from docker container to host

My docker container (sctp server) is running on sctp with port number 36412. However, my sctp client on the host machine unable to communicate with the container. How do I expose this port from container to host? Is it not same as TCP/UDP? When I…
mdasari
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CLang: Running function in std::thread causes BAD_ACCESS on struct creation

I've recently switched from Kubuntu 16.04 to Mac OS High Sierra and started porting parts of the code I work with on a regular basis. Among that is a C++ wrapper library for libsctp-dev. I'm using the SCTP kernel extension to have the same SCTP API…
htipk
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sctp cumulative tsn ack incorrrect

Cumulative TSN in SACK (SCTP Server) is not incorrect after association created. It is always ('Initial TSN' - 1). Actually, Client sends messages to Server. Just wondering whether it is the issue of LKSCTP ? Red Hat Enterprise Linux Server release…
Zegang
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Client sends messages through one series of ip and receivers answer through another series of ip, after the primary ip is made down and up

In case of SCTP multihoming, the client sends messages through one series of ip and receivers answer through another series of ip, after the primary ip is made down and up. here I have configured 2 paths, primary path, and secondary path. Initially,…
sharath shetty
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Can a SCTP entity still send data once it has received a SHUTDOWN chunk?

i'm learning SCTP protocols and I cannot figure out that one thing. Once the server has received a SHUTDOWN message from the client, is it allowed to send data back? And what about the ACK messages, can they still be sent/received or must the server…
mwstudingi
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sctp fast retransmission in ubuntu linux

we have to test sctp assosiation intializing between two ubuntu servers. We use sctp_darn on one server(B) to listen and on another(A) to send data. Every thing is Ok we could send data from one to another with sctp protocol. but when we look on…
Elmir Karimullin
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How to configure DTLS echo server and client code?

I found the web archives of DTLS SCTP sample code. http://web.archive.org/web/20150617012520/http://sctp.fh-muenster.de/dtls-samples.html I want to run the DTLS echo server and client. However, I`m unable to compile. Here is error contents: $gcc…
SJ Lee
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SCTP server has an abnormal behaviour when connecting with a client

I have this code on a small server that is getting requests from a client using SCTP connection, I keep getting this error every now and then. BlockingIOError: [Errno 11] Resource temporarily unavailable I know that I can avoid it by using…
ratebaltal
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Retrieve information about a specific peer address of an SCTP-association

I'm trying to retrieve information about a specific peer address of an association, including its reachability state, congestion window, and retransmission timer values. (RFC 6458, p. 82) with this client-code snippet: struct sctp_paddrinfo…
user1511417
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How can you retrieve (RTO-, MTU- and SRTT-) information from a SCTP message?

How can you retrieve furhter information (like RTO, MTU and SRTT) from a struct sctp_rcvinfo of a received SCTP message? Everytime a SCTP-message is reveived and processed via a callback function like static int receive_cb(struct socket *sock, union…
user1511417
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SCTP Destination unreachable (protocol unreachable）

when testing sctp msg communication between sender and reveiver in respective linux redhat VM , suddenly protocol unreachable for sender， then sender sending ABORT ICMP package tenter image description hereo receiver and rebuild asssociation and…
xiaoweli
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webrtc datachannel sctp details

When a webrtc datachannel is connected, I'd like to get details about the connection. (I admit I'm still fuzzy about ice and renegotiation). In my datachannel.onopen I tried to get sctp var sctp = myPeerConnection.sctp; but it is returning…
phomlish
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Protocol specific Socket creation and socket option information

I am trying to create a socket of sctp and then retrieve the socket options information, using sctp_opt_info(). I am successfully able to create the specific socket however on socket option retrieval I am getting the value as -1 indication some…
learner
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