ROUTING PROTOCOLS
ROUTING PROTOCOLS are the software that allow routers to dynamically advertise and learn routes, determine which routes are available and which are the most efficient routes to a destination. Routing protocols used by the internet protocol suite include:
- Routing Information Protocol (RIP and RIP II)
- Open Shortest Path First (OSPF)
- Intermediate System to Intermediate System (IS-IS)
- Interior Gateway Routing Protocol (IGRP)
- Cisco's Enhanced Interior Gateway Routing Protocol (EIGRP)
- Border Gateway Protocol (BGP)
Routing is the process of moving data from one network to another network. Within a network, all hosts are directly accessable and do not need to pass data through a default gateway. All hosts on the same network are directly connected and can communicate directly with each other.
ROUTED PROTOCOLS are nothing more than data being transported across the networks. Routed protocols include:
- Internet Protocol
- Telnet
- Remote Procedure Call (RPC)
- SNMP
- SMTP
- Novell IPX
- Open Standards Institute networking protocol
- DECnet
- Appletalk
- Banyan Vines
Xerox Network System (XNS)
NON-ROUTABLE PROTOCOLS cannot survive being routed. Non-routable protocols presume that all computers they will ever communicate with are on the same network (to get them working in a routed environment, you must bridge the networks). Todays modern networks are not very tolerant of protocols that do not understand the concept of a multi-segment network and most of these protocols are dying or falling out of use.
- NetBEUI
- DLC
- LAT
- DRP
- MOP
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