Lectures notes for 2010 - KTH
Lectures notes for 2010 - KTH Lectures notes for 2010 - KTH
Deregulation continued ⇒ New operators Lots of new actors as operators ⇒ New Suppliers Lots of new actors as equipment suppliers Traditional telecom equipment vendors buying datacom vendors: Lots of mergers and acquisitions among datacom vendors. Maguire Deregulation continued 9: 37 of 71 maguire@kth.se 2010.03.21 Internetworking/Internetteknik
Latency 1 Usability FAX relay/broadcast Toll quality Satellite CB Radio (now!) Internet telephony (past) Figure 2: Usability of a voice circuit as a function of end-to-end delay (adapted from a drawing by Cisco) a However: 0 100 200 300 400 500 600 700 800 900 ms a. http://www.packeteer.com/solutions/voip/sld006.htm Round-trip min (ms) avg (ms) max (ms) hops Local LAN 1 1 3 0 to northern Sweden (basil.cdt.luth.se) 21 25 41 8 to Austria (freebee.tu-graz.ac.at) 73 109 353 18 To server in US network 131 306 526 19 To my machine in the US (~30 ms is the ISDN link) 175 328 600 21 To KTH’s subnet at Stanford University in the US (ssvl.stanford.edu) 166 170 217 20 Maguire Latency 9: 38 of 71 maguire@kth.se 2010.03.21 Internetworking/Internetteknik
- Page 561 and 562: RSVP: Resource Reservation Setup Pr
- Page 563 and 564: Resource Reservation • Interarriv
- Page 565 and 566: Capacity Assignment • end-nodes a
- Page 567 and 568: RSVP Soft State • “soft state
- Page 569 and 570: RSVP operations (continued) • At
- Page 571 and 572: Argument against Reservation Given,
- Page 573 and 574: This lecture we have discussed: •
- Page 575 and 576: [13] B. Fenner and D. Meyer (Editor
- Page 577 and 578: • Network Management • SNMP •
- Page 579 and 580: Network Management Process Network
- Page 581 and 582: Version 1 SNMP Version 2 - in 1992-
- Page 583 and 584: SNMP • SNMPv1 • only 5 commands
- Page 585 and 586: Case Diagram To understand the rela
- Page 587 and 588: Remote MONitoring (RMON) [ RMON MIB
- Page 589 and 590: RMON1 Statistics Information collec
- Page 591 and 592: EtherStatsEntry ::= SEQUENCE { ethe
- Page 593 and 594: HostEntry ::= SEQUENCE { HostEntry
- Page 595 and 596: The Matrix Group Matrix group consi
- Page 597 and 598: Information collected from network
- Page 599 and 600: Network Management Systems • HP O
- Page 601 and 602: • Web based Interfaced Management
- Page 603 and 604: DMI 2.0 has three groups: • Compo
- Page 605 and 606: Common Information Model (CIM) •
- Page 607 and 608: Inter-domain Management task force
- Page 609 and 610: Applications • E-mail • E-mail
- Page 611: Deregulation ⇒ New regulations
- Page 615 and 616: Voice Gateway 2B+D or 30B+D or …
- Page 617 and 618: Fax Support Both store-and-forward
- Page 619 and 620: Cisco Voice Over IP Enables Cisco 3
- Page 621 and 622: 2,400/4,800/7,200/9,600/14,400 bps
- Page 623 and 624: “The wireless workplace will soon
- Page 625 and 626: Carriers offering VOIP “Equant, a
- Page 627 and 628: Economics "Can Carriers Make Money
- Page 629 and 630: Patents Mixing voice and data in th
- Page 631 and 632: Deregulation ⇒ Trends • replaci
- Page 633 and 634: RTP: Real-Time Transport Protocol D
- Page 635 and 636: SIP: Session Initiation Protocol SI
- Page 637 and 638: SIP Invite 1 INVITE sip:bob@biloxi.
- Page 639 and 640: SIP Methods Method Invite Bye Optio
- Page 641 and 642: ENUM IETF’s E.164 Number Mapping
- Page 643 and 644: Web Services Using protocols built
- Page 645 and 646: This lecture we have discussed: •
- Page 647 and 648: IK1550 Internetworking/Internettekn
- Page 649 and 650: Internet Protocol Version 6 (IPv6)
- Page 651 and 652: • Wireless computers • supporti
- Page 653 and 654: Device Control • Control everyday
- Page 655 and 656: IPv6 header format version 4 bits C
- Page 657 and 658: Simplifications IPv6 builds on 20 y
- Page 659 and 660: Payload length Payload length is th
- Page 661 and 662: Extension headers • Each header i
Deregulation continued<br />
⇒ New operators<br />
Lots of new actors as operators<br />
⇒ New Suppliers<br />
Lots of new actors as equipment suppliers<br />
Traditional telecom equipment vendors buying datacom vendors:<br />
Lots of mergers and acquisitions among datacom vendors.<br />
Maguire Deregulation continued 9: 37 of 71<br />
maguire@kth.se <strong>2010</strong>.03.21 Internetworking/Internetteknik
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