1. Andmeside IRT 0030 loeng 719. okt. 2005 Avo Ots telekommunikatsiooni õppetool raadio- ja sidetehnika instituut avots@lr.ttu.ee

2. Üldine võrgu infrastruktuur Internet Teenuse- pakkujate võrgud Regionaalne tuumik- võrk Kliendi kodu- võrgud Juurde- pääsu- võrk

3. SideTeenuse kvaliteet (Q-o-S) Kättesaadav Vastuvõetava suurusega viide Privaatne Ainukordne/mitmene Hallatav

4. Võrguhaldus Configuration Management - inventory, configuration, provisioning Fault Management - reactive and proactive network fault management Performance Management - # of packets dropped, timeouts, collisions, CRC errors Security Management - SNMP doesn’t provide much here Accounting Management - cost management and chargeback assessment Asset Management - statistics of equipment, facility, and administration personnel Planning Management - analysis of trends to help justify a network upgrade or bandwidth increase

5. Service Level Agreement (SLA) Legal relationship with the Network Service Provider Clear expectations Measurable Redress

6. T1 –Time in milliseconds when a frame left the source T2 –Time in milliseconds when a frame arrived at the destination Service Level Definitions Frame Transfer Delay

7. SLA Verification Techniques R WAN Access WAN Cloud Switch LAN CPE LAN CPE CLIENT SERVER NIU Traditional service scope

8. What is Quality of Service? (QoS) Definition: –Requirements for service delivery quality Includes: –Bandwidth –Burst capability –Loss tolerance –Delay

9. Q-o-s QoS Poliitika QoS Paketikäsitlus Järjekord QoS QoS “end to end”

10. What is Class of Service? (CoS) Assign a connection to a group of similar connections Forward frames with priority based on the group POLICE

11. Mida nõuda võrgult... Töökindel, avardatav, paljutarbeline

12. Eluiga Main- frame Cabling Software 123456789101112131415 Years LAN Work- station

13. Kes pakuvad lahendusi http://www.hp.com/go/openview/HP OpenView http://www.tivoli.com/IBM NetView http://www.novell.com/products/managewise/ Novell ManageWise http://www.sun.com/solstice/Sun MicroSystems Solstice http://www.microsoft.com/smsmgmt/Microsoft SMS Server http://www.compaq.com/products/servers/management/Compaq Insight Manger http://www.redpt.com/SnmpQL - ODBC Compliant http://www.empiretech.com/Empire Technologies ftp://ftp.cinco.com/users/cinco/demo/Cinco Networks NetXray http://www.netinst.com/html/snmp.htmlSNMP Collector (Win9X/NT) http://www.netinst.com/html/Observer.htmlObserver http://www.gordian.com/products_technologies/snmp.html Gordian’s SNMP Agent http://www.castlerock.com/Castle Rock Computing http://www.adventnet.com/Advent Network Management http://www.smplsft.com/SimpleAgent, SimpleTester

14. Lõpulingid (loeng 8) http://www.wtcs.org/snmp4tpc/FILES/R eference/Francois/snmp.ppthttp://www.wtcs.org/snmp4tpc/FILES/R eference/Francois/snmp.ppt http://www2.rad.com/networks/1998/sn mp/overview.htmlhttp://www2.rad.com/networks/1998/sn mp/overview.html http://www.tmdd.org/NEMATestingSum mit/6-Testing-Tools-Session/ SimpleSoft/SNMPTools-NTCIP.ppthttp://www.tmdd.org/NEMATestingSum mit/6-Testing-Tools-Session/ SimpleSoft/SNMPTools-NTCIP.ppt http://www.netlab.hut.fi/opetus/s38151/L uentomatsku/snmp.ppthttp://www.netlab.hut.fi/opetus/s38151/L uentomatsku/snmp.ppt