The Open Shortest Path First Version 2 (OSPFv2) protocol does not have a mechanism for a node to repel transit traffic if it is on the shortest path. This document defines a bit called the Host-bit (H-bit). This bit enables a router to advertise that it is a non-transit router. This document also describes the changes needed to support the H-bit in the domain. In addition, this document updates RFC 6987 to advertise Type 2 External and Not-So-Stubby Area (NSSA) Link State Advertisements (LSAs) (RFC 3101) with a high cost in order to repel traffic effectively.
IETF · RFCОфициальная английская аннотация
The Open Shortest Path First Version 2 (OSPFv2) protocol does not have a mechanism for a node to repel transit traffic if it is on the shortest path. This document defines a bit called the Host-bit (H-bit). This bit enables a router to advertise that it is a non-transit router. This document also describes the changes needed to support the H-bit in the domain. In addition, this document updates RFC 6987 to advertise Type 2 External and Not-So-Stubby Area (NSSA) Link State Advertisements (LSAs) (RFC 3101) with a high cost in order to repel traffic effectively.
{
"id": "RFC8770",
"number": 8770,
"title_en": "Host Router Support for OSPFv2",
"title_ru": "",
"summary_ru": "",
"purpose_ru": "",
"use_ru": "",
"full_translation_path": "",
"full_translation_checked_at": "",
"full_translation_source_sha256": "",
"architect_note_ru": "",
"topics_ru": [],
"translation_state": "not_prepared",
"verification_level": "not_prepared",
"verification_level_ru": "Русская выжимка не подготовлена",
"verification_note_ru": "",
"abstract_en": "The Open Shortest Path First Version 2 (OSPFv2) protocol does not have a mechanism for a node to repel transit traffic if it is on the shortest path. This document defines a bit called the Host-bit (H-bit). This bit enables a router to advertise that it is a non-transit router. This document also describes the changes needed to support the H-bit in the domain. In addition, this document updates RFC 6987 to advertise Type 2 External and Not-So-Stubby Area (NSSA) Link State Advertisements (LSAs) (RFC 3101) with a high cost in order to repel traffic effectively.",
"authors": [
"K. Patel",
"P. Pillay-Esnault",
"M. Bhardwaj",
"S. Bayraktar"
],
"organizations": [],
"publication_date": "2020-04-01",
"current_status": "PROPOSED STANDARD",
"current_status_ru": "Предлагаемый стандарт",
"publication_status": "PROPOSED STANDARD",
"publication_status_ru": "Предлагаемый стандарт",
"lifecycle": "active",
"lifecycle_ru": "Действующий",
"stream": "IETF",
"stream_ru": "IETF",
"area": "rtg",
"area_ru": "Маршрутизация",
"working_group": "lsr",
"source_draft": "draft-ietf-ospf-ospfv2-hbit-12",
"page_count": 8,
"doi": "10.17487/RFC8770",
"keywords": [
"non-transit"
],
"formats": [
"HTML",
"TXT",
"PDF",
"XML"
],
"relations": {
"obsoletes": [],
"obsoleted_by": [],
"updates": [
"RFC6987"
],
"updated_by": [
"RFC10041"
],
"is_also": [],
"see_also": []
},
"links": {
"info": "https://www.rfc-editor.org/info/rfc8770/",
"html": "https://www.rfc-editor.org/rfc/rfc8770.html",
"txt": "https://www.rfc-editor.org/rfc/rfc8770.txt",
"datatracker": "https://datatracker.ietf.org/doc/rfc8770/"
}
}