Re: [tram] [Tsv-art] Tsvart last call review of draft-ietf-tram-turnbis-25
"Konda, Tirumaleswar Reddy" <TirumaleswarReddy_Konda@McAfee.com> Wed, 19 June 2019 14:49 UTC
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From: "Konda, Tirumaleswar Reddy" <TirumaleswarReddy_Konda@McAfee.com>
To: Joe Touch <touch@strayalpha.com>
CC: Magnus Westerlund <magnus.westerlund@ericsson.com>, "tram@ietf.org" <tram@ietf.org>, Brandon Williams <brandon.williams@akamai.com>, "draft-ietf-tram-turnbis.all@ietf.org" <draft-ietf-tram-turnbis.all@ietf.org>, "tsv-art@ietf.org" <tsv-art@ietf.org>, "ietf@ietf.org" <ietf@ietf.org>
Thread-Topic: [Tsv-art] [tram] Tsvart last call review of draft-ietf-tram-turnbis-25
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Date: Wed, 19 Jun 2019 14:48:38 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/tram/ZdQrHhCwwvB-lAsmR5WHdK94mqY>
Subject: Re: [tram] [Tsv-art] Tsvart last call review of draft-ietf-tram-turnbis-25
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Hi Joe, Please see inline From: Joe Touch <touch@strayalpha.com> Sent: Wednesday, June 19, 2019 8:13 PM To: Konda, Tirumaleswar Reddy <TirumaleswarReddy_Konda@McAfee.com> Cc: Magnus Westerlund <magnus.westerlund@ericsson.com>; tram@ietf.org; Brandon Williams <brandon.williams@akamai.com>; draft-ietf-tram-turnbis.all@ietf.org; tsv-art@ietf.org; ietf@ietf.org Subject: Re: [Tsv-art] [tram] Tsvart last call review of draft-ietf-tram-turnbis-25 CAUTION: External email. Do not click links or open attachments unless you recognize the sender and know the content is safe. ________________________________ That text remains insufficient, e.g.: On Jun 19, 2019, at 7:30 AM, Konda, Tirumaleswar Reddy <TirumaleswarReddy_Konda@McAfee.com<mailto:TirumaleswarReddy_Konda@McAfee.com>> wrote: Hi Joe, I have added the following line to address your other comment: Note that the server does not perform per-packet translation for TCP-to-UDP relaying and vice-versa. For TCP-to-UDP relaying from client to peer, the TURN server sets the DF field in the outgoing UDP packet based on the presence of DONT-FRAGMENT attribute in the TURN message. For UDP-to-TCP relaying from peer to client, the TURN server sets IP header fields in the TCP packets on a per-connection basis for the TCP connection. Which parameters? Based on what? [TR] It is already discussed in section 15. <snip> Differentiated Services Code Point (DSCP) field [RFC2474<https://tools.ietf.org/html/rfc2474>] Preferred Behavior: Set the outgoing value to the incoming value, unless the server includes a differentiated services classifier and marker [RFC2474<https://tools.ietf.org/html/rfc2474>]. Note, the TCP connection can only use a single DSCP code point so inter flow differentiation is not possible, see Section 5.1 of [RFC7657]<https://tools.ietf.org/html/rfc7657#section-5.1>. Fragmentation Preferred Behavior: Any fragmented packets are reassembled in the server and then forwarded to the client over the TCP connection. ICMP messages resulting from the UDP datagrams sent to the peer MUST be forwarded to the client using TURN's mechanism for relevant ICMP types and codes. IPv4 Options Preferred Behavior: The outgoing packet is sent without any IPv4 options. </snip> -Tiru In addition, a mere note does not undo the implication of indicating each IP parameter (option, DF) separately as if there are always configurable per-TURN message. Joe
- [tram] Tsvart last call review of draft-ietf-tram… Joseph Touch via Datatracker
- Re: [tram] Tsvart last call review of draft-ietf-… Konda, Tirumaleswar Reddy
- Re: [tram] [Tsv-art] Tsvart last call review of d… Joe Touch
- Re: [tram] [Tsv-art] Tsvart last call review of d… Konda, Tirumaleswar Reddy
- Re: [tram] [Tsv-art] Tsvart last call review of d… Joe Touch
- Re: [tram] [Tsv-art] Tsvart last call review of d… Konda, Tirumaleswar Reddy
- Re: [tram] [Tsv-art] Tsvart last call review of d… Joe Touch
- Re: [tram] [Tsv-art] Tsvart last call review of d… Konda, Tirumaleswar Reddy
- Re: [tram] [Tsv-art] Tsvart last call review of d… Magnus Westerlund
- Re: [tram] [Tsv-art] Tsvart last call review of d… Joe Touch
- Re: [tram] [Tsv-art] Tsvart last call review of d… Brandon Williams
- Re: [tram] [Tsv-art] Tsvart last call review of d… Joe Touch
- Re: [tram] [Tsv-art] Tsvart last call review of d… Konda, Tirumaleswar Reddy
- Re: [tram] [Tsv-art] Tsvart last call review of d… Joe Touch
- Re: [tram] [Tsv-art] Tsvart last call review of d… Konda, Tirumaleswar Reddy
- Re: [tram] [Tsv-art] Tsvart last call review of d… Joe Touch
- Re: [tram] [Tsv-art] Tsvart last call review of d… Konda, Tirumaleswar Reddy
- Re: [tram] [Tsv-art] Tsvart last call review of d… Joe Touch
- Re: [tram] [Tsv-art] Tsvart last call review of d… Konda, Tirumaleswar Reddy
- Re: [tram] [Tsv-art] Tsvart last call review of d… Magnus Westerlund
- Re: [tram] [Tsv-art] Tsvart last call review of d… Konda, Tirumaleswar Reddy
- Re: [tram] [Tsv-art] Tsvart last call review of d… Magnus Westerlund
- Re: [tram] [Tsv-art] Tsvart last call review of d… Joe Touch
- Re: [tram] [Tsv-art] Tsvart last call review of d… Joe Touch
- Re: [tram] [Tsv-art] Tsvart last call review of d… Joe Touch
- Re: [tram] [Tsv-art] Tsvart last call review of d… Konda, Tirumaleswar Reddy
- Re: [tram] [Tsv-art] Tsvart last call review of d… Konda, Tirumaleswar Reddy
- Re: [tram] [Tsv-art] Tsvart last call review of d… Joe Touch
- Re: [tram] [Tsv-art] Tsvart last call review of d… Konda, Tirumaleswar Reddy
- Re: [tram] [Tsv-art] Tsvart last call review of d… Joe Touch
- Re: [tram] [Tsv-art] Tsvart last call review of d… Konda, Tirumaleswar Reddy
- Re: [tram] [Tsv-art] Tsvart last call review of d… Joe Touch
- Re: [tram] [Tsv-art] Tsvart last call review of d… Konda, Tirumaleswar Reddy
- Re: [tram] [Tsv-art] Tsvart last call review of d… Joe Touch
- Re: [tram] [Tsv-art] Tsvart last call review of d… Konda, Tirumaleswar Reddy
- Re: [tram] [Tsv-art] Tsvart last call review of d… Joe Touch
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- Re: [tram] [Tsv-art] Tsvart last call review of d… Joe Touch