IP TCP/IP ROUTER IP/ROUTER VOIP. OUTLINE. Dynamic and Static Routing Static Routing In Hosts and a Default Route - Advantages and Disadvantages Static Routing Dynamic Routing and Routers - Advantages and Disadvantages Dynamic Routing What is VOIP- Voice Over IP?
What is a IP?
What is Router?
What is ip routingandhow is it done?
- OSPF areas
- An Example OSPF Graph
- RIP Packet Format
one more IP Address
this is Network Address or this
number is 255. It is called
Structure of IP Address is private because of remembering for easily.
<7 bit>< 24 bit >
< 14 bit > < 16 bit >
< 21 bit ><8 bit>
< 28 bit – manybits >
Subnet Masks Masks of Bits
FTP HTTP DNS ....
Port Port Port Port
IP & ICMP
The higher layer,
Transmission Control Protocol (TCP)
The lower layer,
Internet Protocol (IP)
The IP Routingprotocolsenablerouterstobuildup a forwardingtablethat
correlates final destinationswithnext hop addresses.
Contents of an IP Routing Table
StaticRoutingInHostsand a DefaultRoute
+oneforthe network towhichthehostattaches +a defaultentrythatdirectsallothertrafficto a specificrouter.
Advantages of theStaticRouting
Disadvantages of theStaticRouting
Advantages of the Dynamic Routing
-scalability and adaptability
-can grow more quickly and larger
-adapt to changes in the network topology
Disadvantages of the Dynamic Routing
VoIP, VoiceOverInternet Protokol
PSTN (publicswitchedtelephone network)
Well established technologyEasy maintenanceHassle free set-up processSimplicity in usage procedures
Dedicated line required to complete a callLimited scalabilityOptimum usage of bandwidth not possibleMonthly fees applicable for maintenanceHigher call charges