2. EXPAND THE NETWORK
LAN
EXPANSION OF
NETWORK
( repeater ) (repeater ) -
( Bridge ) -
LAN - TO - LAN )
(Bridge ) (rooter ) -
(packets )
(Expanding finter connecting LANs ) -
( repeater ,bridge, router abd gatway )
( Repeater ) -
(Repeater)
( (Repeater)
(Repeater) physical lager )
(Repeater)
(Ethernet ) ( Linear cable ) -
(token ring network )
( physical lager ) (Repeater) -
( access methad )
(Repeater) -

3. (Repeater) -
(Repeater) -
( Bridge )
( ( Bridge )
Bridge )
( Network card )
(Server )
( Bridge )
( Bridge ) ( Bridge )
(
Internet working ) .
( Bridge )
-
-
( Bridge )
-
(token ring &Ethernet )
( routing ) ( router ) ( Bridge )
( Network server ) ( Bridge ) Novell
Internal bridge )
(External bridge )
( Bridge )
(distinct network address )
(distinct network address )
(I
( server ) installation)

4. (servers ) (Ipx internal ) (server )
( Bridge )
( packets ) ( data - link lager )
( data - link lager )
logic link control(llc) -
Media Access Control(MAC) -
Bridge
Bridge
(over loading )
1- learning adaptive
(learning Bridge ) Bridges
Bridge (identification ) Broad casting
2- Spanning tree bridges
Bridge Bridge
(cirevlar traffic ) Spanning tree bridges
(disabling certain )
-load balance bridges
( Alogrithm ) bridges
( dval link transfer packets ) Spanning tree bridges
Internet working ) .
Back bones

5. Back bones
(internetworking) (servers )
Backbone
( high speed link ) Back bones -
(fiberoptics or coaxial cable )
( Network inter face card ) Back bones -
(server ) Back bones -
( servers ) ( short leugth cable ) Back bones -
-
Back bones
(Bridge )
Back bones
( throughput )
Back bone for centralized Management
server Back bones
server
( servers ) servers
( Short Backbone)
(servers ) -
(servers ) - -

6. (servers ) -
(servers )
(servers ) -
Backop -
(servers )
ups -
4- Routers
( resources )
(internetworking )
( rosters )
( rosters )
B A,C
( rosters ) (WAN &LAN ) ( routes )
packets ) (Network loger )
(REMOTE WAN ( rosters )
( rosters ) COMMUNICATION LINKS )
X ( rosters )
Bridges ( rosters ) .25, T
Advanced packet filtering is required (packets ) --
(internetwork )
(filter traffic )

7. ( intelligent routing) ( intelligent routing ) -
(routing ) (router )
(router ) ( packets )
(router )
(router ) (router )
(multiple protocol
( (router ) (specific protocol router ) router )
(multiple protocol router ) packets )
( packets )
(logical Networs ) (router )
(routers )
techniques (router )
( protocols ) (routers )
(data compression ) (router )
(routers )
(routers )
1. advenced computer communecation ; santa barbara ca
2. cisco system ; menolo park,ca
3. gateway communication ; irvine , ca
4. retixcorp ; santa monica , ca
5. proteon; westborough ,ma
GATEWAY :
NETWARK LAN
MAINFRAME OR MINI IBM
GATEWAY LAN COMPUTER
lan GATEWAY
host system
gateway

8. lan - to -host -
lan - to - lan -
remote lan access service -
main frame dos or windows or os/2 or unix -
making remote connection
micro wave
lan
pstn -
pdn -
digital data service -
work station
lan
dail up modem
-
(call (user id , password )
back )

9. (pc - any- ware )
( LAN - TO - LAN ) -
LAN - TO - LAN REMOTE CONNECTIONS
( LAN - TO - LAN )
TYPES OF CONNECTION -
MODEM
packet - switching Networks
packet packet
packet
(packet - switching )
x.25 ( internetworking )
(packet - switching )
DDS DIRECT DIGITAL SERVEICE -
DDS
x.25

10. T 18 T3 LINKS -
(HIGH SPEED DIGITAL )
T1
T3