Dear all. In this new version of Explicit Measurements draft (https://tools.ietf.org/html/draft-mdt-ippm-explicit-flow-measurements-01), the methodology for measuring RTT via the Delay Bit has been updated. In previous versions the Delay Bit was an additional bit to the Spin Bit that allowed to remedy the weaknesses of the Spin Bit (due to losses, out-of-sequence and application delays). In this new version the Delay Bit works with a new algorithm that makes it completely independent from the Spin Bit and therefore allows it to be used alone, obtaining precise RTT measurements with the use of a single bit.
The draft will be presented at IETF 110, Friday (March 12, 2021), Session III, 16:00-18:00 UTC, Room 9, IPPM WG. Of course, any comments and questions are more than welcome. Best regards. Mauro _____________________ Mauro Cociglio Telecom Italia - TIM Via G. Reiss Romoli, 274 10148 - Torino (Italy) Tel.: +390112285028 Mobile: +393357669751 _____________________ TIM - Uso Interno - Tutti i diritti riservati. -----Messaggio originale----- Da: [email protected] <[email protected]> Inviato: lunedì 22 febbraio 2021 19:12 A: Alexandre Ferrieux <[email protected]>; Dmitri Tikhonov <[email protected]>; Bulgarella Fabio (Guest) <[email protected]>; Giuseppe Fioccola <[email protected]>; Igor Lubashev <[email protected]>; Isabelle Hamchaoui <[email protected]>; Nilo Massimo <[email protected]>; Cociglio Mauro <[email protected]>; Riccardo Sisto <[email protected]> Oggetto: New Version Notification for draft-mdt-ippm-explicit-flow-measurements-01.txt A new version of I-D, draft-mdt-ippm-explicit-flow-measurements-01.txt has been successfully submitted by Giuseppe Fioccola and posted to the IETF repository. Name: draft-mdt-ippm-explicit-flow-measurements Revision: 01 Title: Explicit Flow Measurements Techniques Document date: 2021-02-22 Group: Individual Submission Pages: 39 URL: https://www.ietf.org/archive/id/draft-mdt-ippm-explicit-flow-measurements-01.txt Status: https://datatracker.ietf.org/doc/draft-mdt-ippm-explicit-flow-measurements/ Htmlized: https://datatracker.ietf.org/doc/html/draft-mdt-ippm-explicit-flow-measurements Htmlized: https://tools.ietf.org/html/draft-mdt-ippm-explicit-flow-measurements-01 Diff: https://www.ietf.org/rfcdiff?url2=draft-mdt-ippm-explicit-flow-measurements-01 Abstract: This document describes protocol independent methods called Explicit Flow Measurement Techniques that employ few marking bits, inside the header of each packet, for loss and delay measurement. The endpoints, marking the traffic, signal these metrics to intermediate observers allowing them to measure connection performance, and to locate the network segment where impairments happen. Different alternatives are considered within this document. These signaling methods apply to all protocols but they are especially valuable when applied to protocols that encrypt transport header and do not allow traditional methods for delay and loss detection. Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. The IETF Secretariat Questo messaggio e i suoi allegati sono indirizzati esclusivamente alle persone indicate. La diffusione, copia o qualsiasi altra azione derivante dalla conoscenza di queste informazioni sono rigorosamente vietate. Qualora abbiate ricevuto questo documento per errore siete cortesemente pregati di darne immediata comunicazione al mittente e di provvedere alla sua distruzione, Grazie. This e-mail and any attachments is confidential and may contain privileged information intended for the addressee(s) only. Dissemination, copying, printing or use by anybody else is unauthorised. If you are not the intended recipient, please delete this message and any attachments and advise the sender by return e-mail, Thanks. Rispetta l'ambiente. Non stampare questa mail se non è necessario.
