Next Hop Resolution Protocol: Difference between revisions

Browse history interactively

← Previous edit

Content deleted Content added

VisualWikitext

Revision as of 17:08, 24 July 2023 edit Citation bot (talk \| contribs) Bots 5,872,833 edits Alter: template type, title. Add: chapter-url, chapter, bibcode, series, date, editors 1-2. Removed or converted URL. Removed parameters. Some additions/deletions were parameter name changes. \| Use this bot. Report bugs. \| Suggested by Headbomb \| Linked from Wikipedia:WikiProject_Academic_Journals/Journals_cited_by_Wikipedia/Sandbox2 \| #UCB_webform_linked 1206/2384 ← Previous edit		Latest revision as of 22:48, 9 August 2025 edit undo Bender the Bot (talk \| contribs) Bots 1,064,377 edits m →External links: HTTP to HTTPS for SourceForge Tag: AWB
(3 intermediate revisions by 2 users not shown)
Line 1: The '''Next Hop Resolution Protocol''' (NHRP) is an extension of the ATM ARP routing mechanism<ref name="White">{{cite journal\|last1=White\|first1=P.P.\|title=ATM switching and IP routing integration: the next stage in Internet evolution?\|journal=IEEE Communications Magazine\|date=April 1998\|volume=36\|issue=4\|pages=79–83\|doi=10.1109/35.667418\|url=http://www.cl.cam.ac.uk/~jac22/otalks/atmipint.pdf\|accessdate=18 June 2016}}</ref> that is sometimes used to improve the efficiency of routing computer network traffic over a [[Nonbroadcast Multiple Access Network\|~~Non~~non-~~Broadcast~~broadcast, ~~Multiple~~multiple ~~Access~~access (NBMA) ~~Networks~~network]].<ref name="Cisco">{{cite web\|title=NHRP\|url=http://www.cisco.com/c/en/us/td/docs/ios/12_4/ip_addr/configuration/guide/hadnhrp.html#wp1054887\|website=Cisco\|accessdate=17 June 2016}}</ref> It is defined in [[IETF]] RFC 2332,<ref>{{cite journal\|last1=B.\|first1=Cole\|last2=J.\|first2=Luciani\|last3=N.\|first3=Doraswamy\|last4=D.\|first4=Piscitello\|last5=D.\|first5=Katz\|title=NBMA Next Hop Resolution Protocol (NHRP)\|url=https://tools.ietf.org/html/rfc2332\|website=tools.ietf.org\|date=April 1998 \|accessdate=17 June 2016}}</ref> and further described in RFC 2333.<ref>{{cite journal\|last1=Cansever\|first1=Derya H.\|title=NHRP Protocol Applicability Statement\|url=https://tools.ietf.org/html/rfc2333\|website=tools.ietf.org\|date=April 1998 \|accessdate=17 June 2016}}</ref> It can be used by a sender to determine a route with the fewest hops to a receiver.<ref>{{cite web\|last1=Rouse\|first1=Margaret\|title=What is Next Hop Resolution Protocol (NHRP)? - Definition from WhatIs.com\|url=http://searchnetworking.techtarget.com/definition/Next-Hop-Resolution-Protocol\|website=SearchNetworking\|accessdate=17 June 2016}}</ref> The protocol differs from [[Address Resolution Protocol\|ARP]]-type protocols in that it allows routing optimization across multiple IP subnets.<ref>{{cite journal\|last1=Luciani\|first1=James V.\|editor-first1=Seyhan \|editor-first2=Indra \|editor-last1=Civanlar \|editor-last2=Widjaja \|title=Next-hop resolution protocol\|date=1 January 1997\|journal=SPIE Proceedings\|series=Broadband Networking Technologies \|volume=3233\|pages=161–165\|doi=10.1117/12.290456\|bibcode=1997SPIE.3233..161L \|s2cid=21461973\|url=http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=933004\|url-access=subscription}}</ref> NHRP is implemented by means of next-hop servers across IP subnets.<ref>{{cite book\|last1=Ahmad\|first1=Khalid\|title=Sourcebook of ATM and IP Internetworking\|date=2 April 2004\|publisher=John Wiley & Sons\|isbn=9780471660941\|page=360\|url=https://books.google.com/books?id=BjeG2uAaNK4C&q=%22Next+Hop+Resolution+Protocol%22&pg=PA360\|accessdate=18 June 2016\|language=en}}</ref> The NHRP forms a part of the [[Multiprotocol Encapsulation over ATM]] (MPOA) protocol as described in RFC 2684.<ref>{{cite journal\|last1=Dan\|first1=Grossman\|last2=Juha\|first2=Heinanen\|title=Multiprotocol Encapsulation over ATM Adaptation Layer 5\|url=https://tools.ietf.org/html/rfc2684\|website=tools.ietf.org\|date=September 1999 }}</ref><ref>{{cite book\|last1=Newman\|first1=P.\|last2=Lyon\|first2=T.\|last3=Minshall\|first3=G.\|title=Proceedings of IEEE INFOCOM '96. Conference on Computer Communications \|chapter=Flow labelled IP: A connectionless approach to ATM \|date=1 March 1996\|volume=3\|pages=1251–1260 vol.3\|doi=10.1109/INFCOM.1996.493071\|isbn=0-8186-7293-5\|s2cid=5482472\|chapter-url=https://www.researchgate.net/publication/2615390\|accessdate=18 June 2016}}</ref> It also plays a role in Cisco's [[Dynamic Multipoint Virtual Private Network]].<ref name="Cisco" /> A limitation of NHRP is its inability to improve [[multicast]] protocols.<ref name="White" /> NHRP forms a part of the [[Multiprotocol Encapsulation over ATM]] (MPOA) protocol as described in RFC 2684.<ref>{{cite journal\|last1=Dan\|first1=Grossman\|last2=Juha\|first2=Heinanen\|title=Multiprotocol Encapsulation over ATM Adaptation Layer 5\|url=https://tools.ietf.org/html/rfc2684\|website=tools.ietf.org\|date=September 1999 }}</ref><ref>{{cite book\|last1=Newman\|first1=P.\|last2=Lyon\|first2=T.\|last3=Minshall\|first3=G.\|title=Proceedings of IEEE INFOCOM '96. Conference on Computer Communications \|chapter=Flow labelled IP: A connectionless approach to ATM \|date=1 March 1996\|volume=3\|pages=1251–1260 vol.3\|doi=10.1109/INFCOM.1996.493071\|isbn=0-8186-7293-5\|s2cid=5482472\|chapter-url=https://www.researchgate.net/publication/2615390\|accessdate=18 June 2016}}</ref> It also plays a role in Cisco's [[Dynamic Multipoint Virtual Private Network]].<ref name="Cisco" /> A limitation of NHRP is its inability to improve{{Clarify span\|\|date=October 2023}} [[multicast]] protocols.<ref name="White" /> ==Description== From RFC 2332: "[NHRP] allows a source station (a [[Host (network)\|host]] or [[Router (computing)\|router]]), wishing to communicate over [an NBMA] subnetwork, to determine the internetworking layer addresses and NBMA addresses of suitable 'NBMA next hops' toward a destination station."▼ ~~From RFC 2332:~~ ▲"[NHRP] allows a source station (a [[Host (network)\|host]] or [[Router (computing)\|router]]), wishing to communicate over [an NBMA] subnetwork, to determine the internetworking layer addresses and NBMA addresses of suitable 'NBMA next hops' toward a destination station." == References == Line 11: == External links== *[~~http~~https://sourceforge.net/projects/opennhrp OpenNHRP project page] [[Category:Routing protocols]]