Hi Martin, I agree with Luis. RFC 7971 list PCE as a potential data source for ALTO server - https://datatracker.ietf.org/doc/html/rfc7971#autoid-19 Further RFC 7491 attempts to capture some of the possible PCE and ALTO interactions where PCE and ALTO complement each other.
Thanks! Dhruv On Tue, Nov 28, 2023 at 2:00 AM LUIS MIGUEL CONTRERAS MURILLO < [email protected]> wrote: > Hi Martin > > > > Thanks for commenting. > > > > PCE and ALTO work on different aspects. PCE allows to calculate and/or > select the best path among network border elements according to some > constraints (e.g., latency). Besides that, the PCE can trigger the > establishment of such path leveraging on tunneling capabilities, e.g. using > Segment Routing with Traffic Engineering. > > > > On the other hand, as you know well, with ALTO it is possible to expose > network and cost maps for PIDs attached to network border elements. > > > > So, while PCE intention is to build constrained paths, ALTO aim is to > expose them. Certainly, ALTO could leverage on PCE information for creating > the network and cost maps (case not yet elaborated in the form of an RFC or > draft, that is, definition of an SBI for retrieving PCE information > extracting info from PCE-related databases), but also other forms of > interworking could be considered (e.g., ALTO triggering PCE computation of > paths). These potential interworking actions could be a matter of a charter > item for SBI developments in ALTO WG (or a sequel of it). > > > > Best regards > > > > Luis > > > > *De:* alto <[email protected]> *En nombre de * Martin Duke > *Enviado el:* lunes, 27 de noviembre de 2023 20:00 > *Para:* IETF ALTO <[email protected]> > *Asunto:* [alto] PCE > > > > Hi ALTO, > > > > In my email announcing the impending closure of ALTO, I mentioned a number > of potential outlets for future work. I neglected to mention PCE > <https://datatracker.ietf.org/wg/pce/about/>, which to me seems to > covering a similar problem area. If they haven't already, I would encourage > ALTO practitioners to investigate PCE's activities and see where ALTO > solves their problems, or PCE work solves current ALTO problems. > > > > Similarly, people working on PCE probably have issues with assembling a > topology database, and would probably be fruitful partners for those > working on assembling the ALTO database. > > > > Thanks, > > Martin > > ------------------------------ > > Este mensaje y sus adjuntos se dirigen exclusivamente a su destinatario, > puede contener información privilegiada o confidencial y es para uso > exclusivo de la persona o entidad de destino. Si no es usted. el > destinatario indicado, queda notificado de que la lectura, utilización, > divulgación y/o copia sin autorización puede estar prohibida en virtud de > la legislación vigente. Si ha recibido este mensaje por error, le rogamos > que nos lo comunique inmediatamente por esta misma vía y proceda a su > destrucción. > > The information contained in this transmission is confidential and > privileged information intended only for the use of the individual or > entity named above. If the reader of this message is not the intended > recipient, you are hereby notified that any dissemination, distribution or > copying of this communication is strictly prohibited. If you have received > this transmission in error, do not read it. Please immediately reply to the > sender that you have received this communication in error and then delete > it. > > Esta mensagem e seus anexos se dirigem exclusivamente ao seu destinatário, > pode conter informação privilegiada ou confidencial e é para uso exclusivo > da pessoa ou entidade de destino. Se não é vossa senhoria o destinatário > indicado, fica notificado de que a leitura, utilização, divulgação e/ou > cópia sem autorização pode estar proibida em virtude da legislação vigente. > Se recebeu esta mensagem por erro, rogamos-lhe que nos o comunique > imediatamente por esta mesma via e proceda a sua destruição > ------------------------------ > > > Le informamos de que el responsable del tratamiento de sus datos es la > entidad del Grupo Telefónica vinculada al remitente, con la finalidad de > mantener el contacto profesional y gestionar la relación establecida con el > destinatario o con la entidad a la que está vinculado. Puede contactar con > el responsable del tratamiento y ejercitar sus derechos escribiendo a > [email protected]. Puede consultar información adicional > sobre el tratamiento de sus datos en nuestra Política de Privacidad > <https://www.telefonica.com/es/telefonica-politica-de-privacidad-de-terceros/> > . > > We inform you that the data controller is the Telefónica Group entity > linked to the sender, for the purpose of maintaining professional contact > and managing the relationship established with the recipient or with the > entity to which it is linked. You may contact the data controller and > exercise your rights by writing to [email protected]. You may > consult additional information on the processing of your data in our Privacy > Policy > <https://www.telefonica.com/en/wp-content/uploads/sites/5/2022/12/Telefonica-Third-data-subjects-Privacy-Policy.pdf> > . > > Informamos que o responsável pelo tratamento dos seus dados é a entidade > do Grupo Telefónica vinculada ao remetente, a fim de manter o contato > professional e administrar a relação estabelecida com o destinatário ou com > a entidade à qual esteja vinculado. Você pode entrar em contato com o > responsável do tratamento de dados e exercer os seus direitos escrevendo a > [email protected]. Você pode consultar informação adicional > sobre o tratamento do seus dados na nossa Política de Privacidade > <https://www.telefonica.com/es/politica-de-privacidade-de-terceiros/>. > _______________________________________________ > alto mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/alto >
_______________________________________________ alto mailing list [email protected] https://www.ietf.org/mailman/listinfo/alto
