Re: [rtcweb] SIP MUST NOT be used in browser?[was RE: Remote recording - RTC-Web client acting as SIPREC session recording client]
"Ravindran Parthasarathi" <pravindran@sonusnet.com> Sun, 11 September 2011 19:22 UTC
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Thread-Topic: [rtcweb] SIP MUST NOT be used in browser?[was RE: Remote recording - RTC-Web client acting as SIPREC session recording client]
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From: Ravindran Parthasarathi <pravindran@sonusnet.com>
To: Peter Saint-Andre <stpeter@stpeter.im>, igor.faynberg@alcatel-lucent.com
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Subject: Re: [rtcweb] SIP MUST NOT be used in browser?[was RE: Remote recording - RTC-Web client acting as SIPREC session recording client]
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Peter, Thanks for forwarding info about draft-ietf-hybi-thewebsocketprotocol. I started this mail thread to know whether RTCWeb1.0 is a unofficial RFC3261bis for the line side (endpoint to access server) :-) [I really don't know the better term for the line side]. Endpoint may be desktop, smart phone (android), laptop, tablet, CPE, etc., Till reading this draft, I assumed websocket as a socket layer for HTTP and it is bad assumption :-(. In short, browser is able to create two way communication with webserver (which has globally routable address). Two browser creating websocket with web servers will be able to communicate with each other. This architecture exactly fits in SIP world as SIP UA <---->B2BUA<----->SIP UA And resultant as browser<---> webserver <----> browser. I tend to agree with you that Websocket looks as a better choice for this simple web architecture as there is no need of identity exchange here because webserver knows and authenticated both browsers with the corresponding identity. In fact, B2BUA with globally routable address will interop better with any endpoint for that matter. The difference comes into picture for federation (interop between servers). I'm not very clear whether websocket is intended for federation as well or not. Most of the discussion RTCWeb points to use SIP as a federation protocol which may change later. I'm interested knowing your view here. For this mail, I assume that SIP as a federation protocol of RTCWeb1.0 and I'm ready to change if it is the right thing to do :-) I'm asking for the single protocol based on my gateway implementation experience in signaling protocol like SIP, H.323, and basic of MEGACO, Q.931 (ISDN) etc., My understanding is that mapping of between tow protocols leads to get the common set in both protocol and under utilization of specific protocol functionality. The mapping is not perfect lot of times and one of the example which I know in IETF product is RFC 3398. It is not possible in RFC 3398 to proper reverse mapping of cause code for ISUP in case conversion in first gateway converts ISUP to SIP, second gateway converts is SIP to ISUP, ISUP cause code value in second gateway is not same what is received in first gateway and this leads to lot of interop issue which includes passing of reason SIP header with Q.931 IE recently as per IETF-80 decision (workaround bug fix). This is not the only mapping failure which I have seen during the gateway implementation. So, I prefer to look for the strong reason for putting multiple protocol (SIP, websocket) as a RTCWeb architecture. Apart from this, my understanding is that websocket + REST XML is the best choice in web world but SIP + REST XML is an overkill. My understanding is based on SIPREC metadata XML design where I explored to make REST XML which is generic for SIP and other protocols, but I realized that REST XML is overkill for SIP as it has dialog context in both server & client. Please let me know your comments on this. Also, Endpoint shall be single IETF protocol for real-time communication rather than having two protocols (SIP, websocket) for any application. It looks inconsistent for Endpoint application to use SIP and Endpoint browser application to use websocket. IMO, IETF should give some clarity for better real-time network design here. Thanks Partha >-----Original Message----- >From: rtcweb-bounces@ietf.org [mailto:rtcweb-bounces@ietf.org] On Behalf >Of Peter Saint-Andre >Sent: Friday, September 09, 2011 1:22 AM >To: igor.faynberg@alcatel-lucent.com >Cc: rtcweb@ietf.org >Subject: Re: [rtcweb] SIP MUST NOT be used in browser?[was RE: Remote >recording - RTC-Web client acting as SIPREC session recording client] > >On 9/8/11 1:22 PM, Igor Faynberg wrote: >>> On 09/08/11 16:54, Igor Faynberg wrote: >>> ... >> >>> If the issue is getting a signal from a Web server to a client, >>> there's approximately 100 ways to get notifications from the server >to >>> the client using HTTP (hanging GET being one of them). >> >> I thought that COMET-like polling is inefficient. Hanging GETs >> require server resources to hold a TCP session o open. Firewalls and >IE7 >> time out a GET after 30-60 seconds. >> >>> Now that WS is getting standardized, there will be 101. >>> >> >> 101st, seems to be a solution, I agree. But it has not finished >> standardization, > >draft-ietf-hybi-thewebsocketprotocol is close to approve as a Proposed >Standard (discussed on this morning's IESG telechat, still a few issues >to clean up). Not that PS means finalization. > >> while SIP has. > >SIP is not a full Standard. rfc3261bis, anyone? ;-) > >Peter > >-- >Peter Saint-Andre >https://stpeter.im/ > > >_______________________________________________ >rtcweb mailing list >rtcweb@ietf.org >https://www.ietf.org/mailman/listinfo/rtcweb
- [rtcweb] Remote recording - RTC-Web client acting… Elwell, John
- Re: [rtcweb] Remote recording - RTC-Web client ac… Stefan Håkansson LK
- Re: [rtcweb] Remote recording - RTC-Web client ac… Ravindran Parthasarathi
- Re: [rtcweb] Remote recording - RTC-Web client ac… Paul Kyzivat
- Re: [rtcweb] Remote recording - RTC-Web client ac… Dan York
- Re: [rtcweb] Remote recording - RTC-Web client ac… Elwell, John
- Re: [rtcweb] Remote recording - RTC-Web client ac… Olle E Johansson
- Re: [rtcweb] Remote recording - RTC-Web client ac… Dan York
- Re: [rtcweb] Remote recording - RTC-Web client ac… Hutton, Andrew
- Re: [rtcweb] Remote recording - RTC-Web client ac… Igor Faynberg
- [rtcweb] SIP MUST NOT be used in browser?[was RE:… Ravindran Parthasarathi
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Igor Faynberg
- Re: [rtcweb] Remote recording - RTC-Web client ac… Randell Jesup
- Re: [rtcweb] Remote recording - RTC-Web client ac… Elwell, John
- Re: [rtcweb] Remote recording - RTC-Web client ac… Hutton, Andrew
- Re: [rtcweb] Remote recording - RTC-Web client ac… Harald Alvestrand
- Re: [rtcweb] Remote recording - RTC-Web client ac… Dzonatas Sol
- Re: [rtcweb] Remote recording - RTC-Web client ac… Igor Faynberg
- Re: [rtcweb] Remote recording - RTC-Web client ac… Paul Kyzivat
- Re: [rtcweb] Remote recording - RTC-Web client ac… Harald Alvestrand
- Re: [rtcweb] Remote recording - RTC-Web client ac… Elwell, John
- Re: [rtcweb] Remote recording - RTC-Web client ac… Matthew Kaufman
- Re: [rtcweb] Remote recording - RTC-Web client ac… Dzonatas Sol
- Re: [rtcweb] Remote recording - RTC-Web client ac… Ravindran Parthasarathi
- Re: [rtcweb] Remote recording - RTC-Web client ac… Timothy B. Terriberry
- Re: [rtcweb] Remote recording - RTC-Web client ac… Ravindran Parthasarathi
- Re: [rtcweb] Remote recording - RTC-Web client ac… Ravindran Parthasarathi
- Re: [rtcweb] Remote recording - RTC-Web client ac… Matthew Kaufman
- Re: [rtcweb] Remote recording - RTC-Web client ac… Matthew Kaufman
- Re: [rtcweb] Remote recording - RTC-Web client ac… Bernard Aboba
- Re: [rtcweb] Remote recording - RTC-Web client ac… Robert O'Callahan
- Re: [rtcweb] Remote recording - RTC-Web client ac… Robert O'Callahan
- Re: [rtcweb] Remote recording - RTC-Web client ac… Elwell, John
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Matthew Kaufman
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Igor Faynberg
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Ravindran Parthasarathi
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Matthew Kaufman
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Olle E. Johansson
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Ravindran Parthasarathi
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Asveren, Tolga
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Igor Faynberg
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Justin Uberti
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Matthew Kaufman
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Matthew Kaufman
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Matthew Kaufman
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Matthew Kaufman
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Paul Kyzivat
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Olle E. Johansson
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Roman Shpount
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Igor Faynberg
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Igor Faynberg
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Ravindran Parthasarathi
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Harald Alvestrand
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Markus.Isomaki
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Randell Jesup
- [rtcweb] Encryption mandate Randell Jesup
- Re: [rtcweb] Encryption mandate Olle E. Johansson
- Re: [rtcweb] Encryption mandate Dzonatas Sol
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Olle E. Johansson
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Olle E. Johansson
- Re: [rtcweb] Encryption mandate Dzonatas Sol
- Re: [rtcweb] Encryption mandate (and offer/answer) Jonathan Lennox
- Re: [rtcweb] Encryption mandate Christopher Blizzard
- Re: [rtcweb] Encryption mandate Igor Faynberg
- Re: [rtcweb] Encryption mandate Dzonatas Sol
- Re: [rtcweb] Encryption mandate Paul Kyzivat
- Re: [rtcweb] Encryption mandate Igor Faynberg
- Re: [rtcweb] Encryption mandate Randell Jesup
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Matthew Kaufman
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Matthew Kaufman
- Re: [rtcweb] Encryption mandate (and offer/answer) Randell Jesup
- Re: [rtcweb] Encryption mandate Matthew Kaufman
- Re: [rtcweb] Encryption mandate Randell Jesup
- Re: [rtcweb] Encryption mandate Dzonatas Sol
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Silvia Pfeiffer
- Re: [rtcweb] Encryption mandate Christopher Blizzard
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Ravindran Parthasarathi
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Ravindran Parthasarathi
- Re: [rtcweb] Encryption mandate Olle E. Johansson
- Re: [rtcweb] Encryption mandate Olle E. Johansson
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Olle E. Johansson
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Silvia Pfeiffer
- Re: [rtcweb] Encryption mandate Randell Jesup
- [rtcweb] AVPF [was: Encryption mandate (and offer… Christer Holmberg
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Harald Alvestrand
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Olle E. Johansson
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Silvia Pfeiffer
- Re: [rtcweb] Encryption mandate Michael Procter
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Tim Panton
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Olle E. Johansson
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Jonathan Lennox
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Igor Faynberg
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Tim Panton
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Igor Faynberg
- [rtcweb] Meeting Bridge and Webex link for Sept 8… Sohel Khan
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Harald Alvestrand
- Re: [rtcweb] Encryption mandate Paul Kyzivat
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Bernard Aboba
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Igor Faynberg
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Igor Faynberg
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Ravindran Parthasarathi
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Harald Alvestrand
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Ravindran Parthasarathi
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Roman Shpount
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Roman Shpount
- Re: [rtcweb] Encryption mandate Paul Kyzivat
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Paul Kyzivat
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Ravindran Parthasarathi
- Re: [rtcweb] Encryption mandate Christopher Blizzard
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Igor Faynberg
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Justin Uberti
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Peter Saint-Andre
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Igor Faynberg
- Re: [rtcweb] SIP MUST NOT be used in browser? Aaron Clauson
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Justin Uberti
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Alan Johnston
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Justin Uberti
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Matthew Kaufman
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Dzonatas Sol
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Eric Rescorla
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Justin Uberti
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Dzonatas Sol
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Alan Johnston
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Roman Shpount
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Dzonatas Sol
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Dzonatas Sol
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Christer Holmberg
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Dzonatas Sol
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Christer Holmberg
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Randell Jesup
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Justin Uberti
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Dzonatas Sol
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Dzonatas Sol
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Paul Kyzivat
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Olle E. Johansson
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Olle E. Johansson
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Olle E. Johansson
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Roman Shpount
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Matthew Kaufman
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Dzonatas Sol
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Dzonatas Sol
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Dzonatas Sol
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Dzonatas Sol
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Roman Shpount
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Matthew Kaufman
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Bernard Aboba
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Christer Holmberg
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Paul Kyzivat
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Randell Jesup
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Stefan Håkansson LK
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Hadriel Kaplan
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Timothy B. Terriberry
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Dzonatas Sol
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Ravindran Parthasarathi
- Re: [rtcweb] SIP MUST NOT be used in browser? Ravindran Parthasarathi
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Ravindran Parthasarathi
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Roman Shpount
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Roman Shpount
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Roman Shpount
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Stefan Håkansson LK
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Stefan Håkansson LK
- [rtcweb] SIP vs Websocket in RTCWeb [was RE: SIP … Ravindran Parthasarathi
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Matthew Kaufman
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Matthew Kaufman
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… DRAGE, Keith (Keith)
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Muthu Arul Mozhi Perumal (mperumal)
- Re: [rtcweb] SIP vs Websocket in RTCWeb [was RE: … Peter Saint-Andre
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Paul Kyzivat
- Re: [rtcweb] SIP vs Websocket in RTCWeb [was RE: … Dzonatas Sol
- Re: [rtcweb] SIP vs Websocket in RTCWeb [was RE: … Ravindran Parthasarathi
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Ravindran Parthasarathi
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Jozsef Vass
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Roman Shpount
- Re: [rtcweb] SIP vs Websocket in RTCWeb [was RE: … Peter Saint-Andre
- [rtcweb] signaling protocol SHANMUGALINGAM SIVASOTHY
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Hadriel Kaplan
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Hadriel Kaplan
- Re: [rtcweb] SIP MUST NOT be used in browser? Tim Panton
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Tim Panton
- Re: [rtcweb] SIP MUST NOT be used in browser? Olle E. Johansson
- Re: [rtcweb] SIP MUST NOT be used in browser? Ravindran Parthasarathi
- Re: [rtcweb] SIP MUST NOT be used in browser?[was… Muthu Arul Mozhi Perumal (mperumal)
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Dan Wing
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Tim Panton
- Re: [rtcweb] AVPF [was: Encryption mandate (and o… Dan Wing