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ES-IS (End System-to-Intermediate System)

Definition

ES-IS (End System-to-Intermediate System)

Part of the Protocols glossary:

ES-IS (End System-to-Intermediate System) is a routing protocol developed by the International Organization for Standardization ( ISO ) as part of their Open Systems Interconnection ( OSI ) model. In the OSI context, an end system (ES) is a node or user device; an intermediate system (IS) is a router .

Next Steps

IS-IS (Intermediate System-to-Intermediate System protocol)
One of the most commonly used routing protocols...
(SearchNetworking.com)
Guide to networking certifications
Learn how to begin on a specific certification ...
(SearchNetworking.com)

ES-IS allows a node or user device located in a particular subnetwork to determine the existence and availability of other nodes or user devices on the same subnetwork. ES-IS can also determine the existence and availability of routers that can transmit packets to nodes or user devices on other subnetworks within the same larger network. Working together with the Intermediate System-to-Intermediate System ( IS-IS ) protocol, ES-IS facilitates communication among all the points in a complex network.

This was last updated in March 2011

Posted by: Margaret Rouse

Related Terms

Definitions

IS-IS (Intermediate System-to-Intermediate System protocol)
- One of the most commonly used routing protocols, the Intermediate System-to-Intermediate System protocol (IS-IS) is based on a routing method known as DECnet Phase V routing, in which routers known... (SearchNetworking.com)

Glossaries

Protocols
- Terms related to communication protocols, including definitions about TCP, IP, UDP, POP, SMTP, HTTP, XML, W-CDMA and FTP.
Internet applications
- This WhatIs.com glossary contains terms related to Internet applications, including definitions about Software as a Service (SaaS) delivery models and words and phrases about web sites, e-commerce ...

Dig Deeper

Guide to networking certifications

Learn how to begin on a specific certification path or brush up on the numerous networking certs that are available. (SearchNetworking.com)
Guide to networking certifications

Learn how to begin on a specific certification path or brush up on the numerous networking certs that are available. (SearchNetworking.com)

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