old_Ch1
... – second bit =1 -> global address - set by IEEE, – second bit =0 local address set by network administrator. ...
... – second bit =1 -> global address - set by IEEE, – second bit =0 local address set by network administrator. ...
Course Computer Communications Study Period 2, 2012
... (analogue telephony) End-end resources dedicated for “call” • dedicated resources (link bandwidth, switch capacity): no sharing • circuit-like (guaranteed) performance • call setup required ...
... (analogue telephony) End-end resources dedicated for “call” • dedicated resources (link bandwidth, switch capacity): no sharing • circuit-like (guaranteed) performance • call setup required ...
lecture3
... • Analog and digital transmission. – Example of analog data: voice and video. – Example of digital data: character strings • Use of codes to represent characters as sequence of bits (e.g., ASCII). ...
... • Analog and digital transmission. – Example of analog data: voice and video. – Example of digital data: character strings • Use of codes to represent characters as sequence of bits (e.g., ASCII). ...
3G Data Network
... Dedicate up to 4 timeslots for data connection ~ 50 kbps Good for real-time applications c.w. GPRS Inefficient -> ties up resources, even when nothing sent Not as popular as GPRS (many skipping HSCSD) GSM 9.6kbps (one timeslot) GSM Data Also called CSD ...
... Dedicate up to 4 timeslots for data connection ~ 50 kbps Good for real-time applications c.w. GPRS Inefficient -> ties up resources, even when nothing sent Not as popular as GPRS (many skipping HSCSD) GSM 9.6kbps (one timeslot) GSM Data Also called CSD ...
lecture16
... • Remember: the first 3 digits determine the class of the address • Depending on the class of an address, we can find out its prefix and its suffix – If Class A: ppp.sss.sss.sss (with 0 ≤ ppp ≤ 127) ...
... • Remember: the first 3 digits determine the class of the address • Depending on the class of an address, we can find out its prefix and its suffix – If Class A: ppp.sss.sss.sss (with 0 ≤ ppp ≤ 127) ...
lecture 09 - chap 8
... Total length: number of bytes of the IP packet including header and data, maximum length is 65535 bytes. Identification, Flags, and Fragment Offset: used for fragmentation and reassembly (More ...
... Total length: number of bytes of the IP packet including header and data, maximum length is 65535 bytes. Identification, Flags, and Fragment Offset: used for fragmentation and reassembly (More ...
Internet-Privacy
... • Allows all traffic to be encrypted at IP (network layer) level – Can provide security for all Internet applications (web browsers, email, e-commerce, …) – No need to change application or transport protocol software • Must have IPsec support on selected PCs, routers, firewalls ITS 413 - Internet P ...
... • Allows all traffic to be encrypted at IP (network layer) level – Can provide security for all Internet applications (web browsers, email, e-commerce, …) – No need to change application or transport protocol software • Must have IPsec support on selected PCs, routers, firewalls ITS 413 - Internet P ...
doc
... and Gigabit Ethernet have put the Ethernet hierarchy in the position of being the alternative to ATM. To understand this major change, it is interesting to compare the evolution of Ethernet and ATM transport technologies: One of the main argument for ATM in 1996 was that it had a transport hierarc ...
... and Gigabit Ethernet have put the Ethernet hierarchy in the position of being the alternative to ATM. To understand this major change, it is interesting to compare the evolution of Ethernet and ATM transport technologies: One of the main argument for ATM in 1996 was that it had a transport hierarc ...
Computer Networks
... o Between adjacent routers o on LAN one router is elected as designated router o Designated router is adjacent to all neighbouring routers Flooding to all routers in an area Within routers of any area o Construct graph o Compute shortest paths between routers in area Extra for backbone area o ...
... o Between adjacent routers o on LAN one router is elected as designated router o Designated router is adjacent to all neighbouring routers Flooding to all routers in an area Within routers of any area o Construct graph o Compute shortest paths between routers in area Extra for backbone area o ...
Network Intro
... there may be multiple paths from destination to source machines assigned to various functions may change no single entity can know where every thing is response times cannot be guaranteed Solution = "internetworking": agreements (protocols) that networks obey in protocol = treaty: commun ...
... there may be multiple paths from destination to source machines assigned to various functions may change no single entity can know where every thing is response times cannot be guaranteed Solution = "internetworking": agreements (protocols) that networks obey in protocol = treaty: commun ...
Chapter 1 - Web Services Overview
... Need protocols for reliable data transfer, congestion control Applications must be written to handle congestion Q: How to provide circuit-like behavior? bandwidth guarantees needed for audio/video apps still an unsolved problem (chapter 7) Common practice: over-provision ...
... Need protocols for reliable data transfer, congestion control Applications must be written to handle congestion Q: How to provide circuit-like behavior? bandwidth guarantees needed for audio/video apps still an unsolved problem (chapter 7) Common practice: over-provision ...
Chapter 14-16a
... W, X, Y, A, B and C are networks Paths are specified as, for example: Path (w, y) = wACy Path (x, y) = xCy BGP routers advertise (update) only those routes that are specified by administrative policy would A advertise …ABx… or …ACx… ? ...
... W, X, Y, A, B and C are networks Paths are specified as, for example: Path (w, y) = wACy Path (x, y) = xCy BGP routers advertise (update) only those routes that are specified by administrative policy would A advertise …ABx… or …ACx… ? ...
4th Edition: Chapter 1 - UF CISE
... What do you not like about the Internet and would want to change? How would you change it and how would you ...
... What do you not like about the Internet and would want to change? How would you change it and how would you ...
SOHO Firewalls using Shorewall
... • A kernel that supports netfilter. I've tested with 2.4.2 2.4.20. 2.4.20 required for full functionality. • iptables 1.2 or later but beware version 1.2.3. Version 1.2.7a required for full functionality. • iproute ("ip" utility). The iproute package is included with most distributions but may not b ...
... • A kernel that supports netfilter. I've tested with 2.4.2 2.4.20. 2.4.20 required for full functionality. • iptables 1.2 or later but beware version 1.2.3. Version 1.2.7a required for full functionality. • iproute ("ip" utility). The iproute package is included with most distributions but may not b ...
Networks and TCP/IP Part 2
... TCP – Transmission Control Protocol One protocol on how data may be transmitted between addresses TCP: ...
... TCP – Transmission Control Protocol One protocol on how data may be transmitted between addresses TCP: ...
ppt - Computer Science, Columbia University
... resolution defining the term Internet. •RESOLUTION: The Federal Networking Council (FNC) agrees that the following language reflects our definition of the term "Internet". "Internet" refers to the global information system that -- ...
... resolution defining the term Internet. •RESOLUTION: The Federal Networking Council (FNC) agrees that the following language reflects our definition of the term "Internet". "Internet" refers to the global information system that -- ...
Internet Protocols
... ftp://ftp.cs.ksu.sa/pub/grp/file/.. news:newsgroup (USENET) (OR) news:newsarticle@DNS gopher://gopher.address/lib/... NB. Go For U Minnesota Athletic Team ...
... ftp://ftp.cs.ksu.sa/pub/grp/file/.. news:newsgroup (USENET) (OR) news:newsarticle@DNS gopher://gopher.address/lib/... NB. Go For U Minnesota Athletic Team ...
Kaleidoscope 2009 - Powerpoint template for paper presentation
... Networks(NGN) - Key differences NGN - “A Next generation network (NGN) is a packet-based network which can provide services including Telecommunication Services and able to make use of multiple broadband, Quality of Service-enabled transport technologies and in which service-related functions are in ...
... Networks(NGN) - Key differences NGN - “A Next generation network (NGN) is a packet-based network which can provide services including Telecommunication Services and able to make use of multiple broadband, Quality of Service-enabled transport technologies and in which service-related functions are in ...
Lecture13
... Difficult to find nearby nodes quickly and efficiently Huge number of paths to measure TCP bandwidth and RTT probes are timeconsuming No clean mapping of IP address location (geographic or network topology) ...
... Difficult to find nearby nodes quickly and efficiently Huge number of paths to measure TCP bandwidth and RTT probes are timeconsuming No clean mapping of IP address location (geographic or network topology) ...
ICANN - GovLab
... as telephone lines, cable, Wi-Fi, and fiber optics.30 For example, Verizon is an ISP company offering Internet connection through fiber optics in New York City; Spectranet is an ISP company offering connection through broadband and WiFi in India.31 ISPs may also offer hosting services, such as offer ...
... as telephone lines, cable, Wi-Fi, and fiber optics.30 For example, Verizon is an ISP company offering Internet connection through fiber optics in New York City; Spectranet is an ISP company offering connection through broadband and WiFi in India.31 ISPs may also offer hosting services, such as offer ...
ppt
... network have same single source NAT IP address: 138.76.29.7, different source port numbers ...
... network have same single source NAT IP address: 138.76.29.7, different source port numbers ...
01101014
... wants to use Internet for their various purposes. Each ISP gets the VSAT link from the foreign company and they spend lots of money. A leased T1 link in the US costs about $ 2,000 per month and a T3 link about $ 40,000 per month where in Bangladesh a dedicated 64 Kbps link is $ 8,000. Most of the tr ...
... wants to use Internet for their various purposes. Each ISP gets the VSAT link from the foreign company and they spend lots of money. A leased T1 link in the US costs about $ 2,000 per month and a T3 link about $ 40,000 per month where in Bangladesh a dedicated 64 Kbps link is $ 8,000. Most of the tr ...
ppt
... network have same single source NAT IP address: 138.76.29.7, different source port numbers ...
... network have same single source NAT IP address: 138.76.29.7, different source port numbers ...