Re: [Lsr] Prefix Unreachable Announcement Use Cases

2020-11-14 Thread 王爱俊
Hi, Acee: I think Robert have given the good explaination for the purpose of this draft. The aim of this draft is to improve the service convergence time, which can be notified quickly the failure of underlying network link or node. BFD is another possible solution, but it requires massive

Re: [Lsr] Prefix Unreachable Announcement Use Cases

2020-11-14 Thread Robert Raszuk
Hi Acee, > 3.1 *Inter-Area Node Failure Scenario – *With respect to this use case, the node > in question is actually unreachable. In this case, the ABRs will normally install a > reject route for the advertised summary and will send an ICMP unreachable when > the packets are received for the

[Lsr] Prefix Unreachable Announcement Use Cases

2020-11-14 Thread Acee Lindem (acee)
Speaking as WG member… With respect to the use cases in section 3: 3.1 Inter-Area Node Failure Scenario – With respect to this use case, the node in question is actually unreachable. In this case, the ABRs will normally install a reject route for the advertised summary and will send an ICMP

Re: [Lsr] [Idr] WG Adoption for draft-zhu-idr-bgp-ls-path-mtu (11/1/2020 to 11/16/2020)

2020-11-14 Thread Les Ginsberg (ginsberg)
Zhibo – It is good of you to “keep me honest” as regards my past comments. In reviewing the relevant material, the best I can say as regards my comments from 2 years ago is that they were made with insufficient diligence. Apologies for any resulting confusion.

Re: [Lsr] [Idr] 答复: WG Adoption for draft-zhu-idr-bgp-ls-path-mtu (11/1/2020 to 11/16/2020)

2020-11-14 Thread Robert Raszuk
Hi Huzhibo, I would like to highlight another aspect of this draft independent in which (if any) WG it will end up with. Many network operators today to interconnect their routers purchase circuits. However those circuits in vast majority use brilliant technology of VPWS, L2VPN, EVPN ... you

Re: [Lsr] [Idr] WG Adoption for draft-zhu-idr-bgp-ls-path-mtu (11/1/2020 to 11/16/2020)

2020-11-14 Thread Wanghaibo (Rainsword)
Hi Les, Inter-AS E2E sr-policy scenario also need this. The inter-as link info will be collected by BGP EPE. The MTU is link’s attribute, so we need independent attribute TLV for all protools’ link NLRI. Regards, Haibo From: Idr [mailto:idr-boun...@ietf.org] On Behalf Of Jeff