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Connection Request ("STUN" over DHT) #153

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whyrusleeping opened this issue Oct 10, 2014 · 7 comments
Closed

Connection Request ("STUN" over DHT) #153

whyrusleeping opened this issue Oct 10, 2014 · 7 comments
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topic/libp2p Topic libp2p topic/nat Topic nat

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@whyrusleeping
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In a similar vein to #57, I would like to have a message or a service that implements 'connection requests', for example, peer X is behind a NAT and peer Y wants to connect to him. Peer Z has an open connection to X, so peer Y sends a request to Y through Z containing his public IP address and requesting X to connect directly to him.

@jbenet
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jbenet commented Oct 10, 2014

More ambitiously, I want to build an overlay with full on message routing. :)

@whyrusleeping
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I almost feel like that is too ambitious for ipfs... but maybe

@jbenet jbenet changed the title Connection Request Connection Request (STUN) Nov 4, 2014
@whyrusleeping whyrusleeping added this to the α milestone Nov 5, 2014
@jbenet jbenet modified the milestones: NAT Traversal, α Nov 17, 2014
@jbenet
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jbenet commented Nov 17, 2014

I'll be building this service, including a modification to the DHT FindPeer rpc. I'll introduce:

// omitting unchanged things
message Message {
    enum ConnectionType {
        // sender does not have a connection to peer, and no extra information (default)
        NOT_CONNECTED = 0;

        // sender has a live connection to peer
        CONNECTED = 1;

        // sender recently connected to peer
        CAN_CONNECT = 2;

        // sender recently tried to connect to peer repeatedly but failed to connect
        // ("try" here is loose, but this should signal "made strong effort, failed")
        CANNOT_CONNECT = 3;
    }

    message Peer {
        // used to signal the sender's connection capabilities regarding the peer
        optional ConnectionType connection = 3;
    }
}

DHT nodes can (should) set the connection value. That way, we can use dht queries to find out who is connected to a peer, and ask them to send our addresses. (i.e. STUN for free). And since queries, we can try many nodes :). (this is of course long before we have a full packet forwarding network (:package: :fast_forward:) :P)

@jbenet jbenet changed the title Connection Request (STUN) Connection Request ("STUN" over DHT) Nov 17, 2014
@whyrusleeping
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Before relying on queries too heavily, take a look at #308

@jbenet
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jbenet commented Nov 17, 2014

@whyrusleeping that problem sucks and we should fix it, but i dont think it affects this, since this is essentially piggybacking on a FindPeer query.

@whyrusleeping
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Ah, okay. As long as a single request only needs a single response, it should work fine

@jbenet jbenet added topic/nat Topic nat topic/libp2p Topic libp2p labels Mar 28, 2015
@jbenet jbenet removed this from the NAT Traversal milestone Mar 29, 2015
hsanjuan pushed a commit to ipfs/go-ipfs-routing that referenced this issue Feb 14, 2018
@Stebalien
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Closing for spring cleaning. Anyone interested in discussing message routing should file an issue here: https://github.com/libp2p/notes/issues.

Note: The current plan (until we get message routing) is to open a relayed connection, signal over that, and then migrate to a direct connection.

@aschmahmann aschmahmann mentioned this issue Sep 22, 2020
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@aschmahmann aschmahmann mentioned this issue May 14, 2021
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ariescodescream pushed a commit to ariescodescream/go-ipfs that referenced this issue Oct 23, 2021
@aschmahmann aschmahmann mentioned this issue Dec 1, 2021
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laurentsenta pushed a commit to laurentsenta/kubo that referenced this issue Feb 25, 2022
* fix: String method on the OptionalString
* test(OptionalString): empty string is preserved

Co-authored-by: Marcin Rataj <[email protected]>
laurentsenta pushed a commit to laurentsenta/kubo that referenced this issue Feb 25, 2022
* fix: String method on the OptionalString
* test(OptionalString): empty string is preserved

Co-authored-by: Marcin Rataj <[email protected]>
laurentsenta pushed a commit to laurentsenta/kubo that referenced this issue Mar 4, 2022
* fix: String method on the OptionalString
* test(OptionalString): empty string is preserved

Co-authored-by: Marcin Rataj <[email protected]>
laurentsenta pushed a commit to laurentsenta/kubo that referenced this issue Mar 4, 2022
* fix: String method on the OptionalString
* test(OptionalString): empty string is preserved

Co-authored-by: Marcin Rataj <[email protected]>
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