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Topic: Broadcast domain


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In the News (Thu 18 Jul 19)

  
  Broadcast Rights and the Public Domain | Public Knowledge
One of the many compelling reasons to oppose the WIPO broadcast treaty in its current form is that it wraps another layer of property rights around works that are broadcast.
Broadcasters, when asked why they need an additional IP right in the signal, often talk about the investment they make in finding the programming, arranging and scheduling it.
When broadcasters say that the individuals can’t distribute their home tapes of Charlie Chaplin, but must instead hunt through film archives for a print they can copy, the broadcasters are frustrating the goal of spreading works in the public domain.
www.publicknowledge.org /node/721   (659 words)

  
  Broadcast - Wikipedia, the free encyclopedia
Broadcast address, an IP address allowing information to be sent to all machines on a given subnet
broadcasting (networks), transmiting a packet that will be received by every device on the network
broadcast domain, a logical area where any computer connected to the network can directly transmit to any other
en.wikipedia.org /wiki/Broadcast   (143 words)

  
 Domain - Wikipedia, the free encyclopedia
domain (physics), a region of a solid inside which a property is uniform (for example magnetic domain in ferromagnetism)
a software engineering domain - a field of study that defines a set of common requirements, terminology, and functionality for any software program constructed to solve a problem in that field.
In Database Theory, a Domain is a set of all permitted atomic values.
en.wikipedia.org /wiki/Domain   (373 words)

  
 broadcast - ek$i sozluk
"broadcast: 1995 yýlýnda 60'larý iyi hatýrlama sebeplerinden biri olan the united states of america'ya duyduklarý ortak sevgi sayesinde bir araya gelen birmingham'lý beþli.
1996'da accidentals single'ýný yayýnlamalarýyla birlikte hemen stereolab benzetmeleriyle karþýlanan broadcast, bir sonraki living room single'larýný stereolab'in de baðlý olduðu duophonic firmasýndan çýkardý.
broadcast insaný en savunmasýz anýnda, metronun camýndan dýþarý bakýp kafasýndaki þeytanlarla masa tenisi oynarken, ansýzýn vurabiliyor."
sozluk.sourtimes.org /show.asp?t=broadcast   (584 words)

  
 [No title]   (Site not responding. Last check: 2007-10-10)
Broadcasting is an efficient way to send information to many hosts while only having to transmit a single packet.
Since Cronus's broadcast capabilities are not intended to be limited to the boundaries of a single LAN, we needed to find some way to extend our broadcasting domain to include hosts on distant LANs in order to experiment with clusters that span several physical networks.
A broadcast repeater is a mechanism which transparently relays broadcast packets from one LAN to another, and may also forward broadcast packets to hosts on a network which doesn't support broadcasting at the link-level.
www.faqs.org /ftp/pub/rfc2/rfc947.txt   (1625 words)

  
 CCNA Self-Study (ICND Exam): Extending Switched Networks with Virtual LANs > VLAN Concepts   (Site not responding. Last check: 2007-10-10)
For example, if device A sends a broadcast frame and that frame is received by devices B and C, all three devices are said to be in a common broadcast domain.
Because broadcast frames are flooded out all ports on a bridge/switch (by default), the devices connected to the bridge/switch are in a common broadcast domain.
This is different from the broadcast domains of Figure 3-2, in which the physical location of the device determines the broadcast domain.
www.informit.com /articles/article.asp?p=102157   (1782 words)

  
 [No title]
Broadcasting is an efficient way to send information to many hosts while only having to transmit a single packet.
Since Cronus's broadcast capabilities are not intended to be limited to the boundaries of a single LAN, we needed to find some way to extend our broadcasting domain to include hosts on distant LANs in order to experiment with clusters that span several physical networks.
A broadcast repeater is a mechanism which transparently relays broadcast packets from one LAN to another, and may also forward broadcast packets to hosts on a network which doesn't support broadcasting at the link-level.
www.ietf.org /rfc/rfc947.txt   (1625 words)

  
 EBN - VLANs and Broadcast Domains   (Site not responding. Last check: 2007-10-10)
On a single-segment Ethernet network, the broadcast domain (all the nodes a broadcast frame can reach) is the same as the collision domain - all the nodes that must wait for each other to be silent before transmitting data.
So traffic local to a collision domain is invisible to the rest of the broadcast domain, while broadcasts and frames with unknown destinations are flooded to every other node on the broadcast domain.
The basic idea of a VLAN is to allow an organization to customize broadcast domains according to its needs instead of accepting the limitations that come with Network layer protocols and with using routers to accomplish segmentation.
www.networkmagazine.com /shared/printableArticle.jhtml?articleID=8702678   (1656 words)

  
 Cisco Sem3 Lesson 4 - LAN Design
Broadcast domains are typically bounded by routers because routers do not forward broadcast frames (everything associated with one port on a router).
All broadcasts from any host in the same broadcast domain are visible to all other hosts in the same broadcast domain.
Broadcasts must be visible to all hosts in the broadcast domain in order to establish connectivity.
www.delmar.edu /Courses/ITSC1391/Sem3/4LANdesign.htm   (1805 words)

  
 Network Design - Unit 2 Sec 3a   (Site not responding. Last check: 2007-10-10)
This collision domain is also a single broadcast domain, because hubs and repeaters transmit broadcast traffic to all nodes in the network.
However, the individual collision domains created by the switch are still members of the same broadcast domain, because a switch transmits broadcast traffic out all ports.
In the examples presented on the VLAN Boundary (Logical) Diagram, collision domains and broadcast domains were created by using different internetworking devices as physical boundaries to contain certain types of network traffic.
www.webclasses.net /Courses/Design/6.0/Demo/units/unit02/sec03b.html   (581 words)

  
 [No title]   (Site not responding. Last check: 2007-10-10)
Broadcast domain - The set of machines that will receive a broadcast packet sent by any of the machines.
A broadcast domain generally correspond to a subnet.
If destination Ethernet address is a broadcast or multicast address (first address bit is "1"), flood the frame (forward frame on every outgoing link except the link it came in on.) 4.
www.cis.temple.edu /~stafford/thunder9899/cis320/lec4a.txt   (989 words)

  
 Broadcast Domain (Linktionary term)
A broadcast domain is a restricted area in which information can be transmitted for all devices in the domain to receive.
A special broadcast address consisting of all 1s is used to send frames to all devices on the network.
Broadcast traffic and collision signals do not cross routers, although most routers can be configured to forward specific broadcast traffic.
www.linktionary.com /b/broadcast_domain.html   (346 words)

  
 Cisco Sem3 Lesson 3 - VLANs
Broadcast domains are typically bounded by routers because routers do not forward broadcast frames.
This is commonly referred to as a "flat" network where there is one broadcast domain across the entire network.
You can easily control the size of the broadcast domain by regulating the overall size of its VLANs, restricting the number of switch ports within a VLAN and restricting the number of users residing on these ports and lower the overall vulnerability of the network to broadcast storms.
www.delmar.edu /Courses/ITSC1391/Sem3/3VLANs.htm   (1165 words)

  
 LAN Switching
Broadcast domains describe the extent that a network propagates a broadcast frame generated by a station.
Switch ports configured as a member of one VLAN belong to a different broadcast domain, as compared to switch ports configured as members of a different VLAN.
VLANs are broadcast domains and describe the extent that broadcast frames transit the network.
www.cisco.com /univercd/cc/td/doc/cisintwk/ito_doc/lanswtch.htm   (1982 words)

  
 7.11 Routers and switches - IT Grundschutz Manual 2004
Equipment that is grouped together in a broadcast domain does not have to be in the same collision domain.
All connected equipment is located in the same collision domain and hence also in the same broadcast domain.
All connected stations are normally part of a single broadcast domain.
www.bsi.de /english/gshb/manual/module/07011.htm   (2177 words)

  
 broadcast domain
I said "if" you have a router that is also a switch, which many of the low cost routers (linksys, dlink, etc) are, then you have 1 broadcast domain (not 4) and 4 collision domains (each port on a switch is its own collision domain).
If you were to add a hub onto the port you would still have 1 collision domain at the port, but you may have 5 computers on that 1 collision domain.
Increasing the number of collision domains is not a problem, the size of a collision domain is what you care about.
www.firewall.cx /ftopict-496.html   (1111 words)

  
 Policy on the Operation of DHCP and BOOTP Servers on PennNet - Almanac, Vol. 47, No. 4, 9/19/2000
A broadcast domain is a subnet or collection of subnets on which broadcasts are shared.
On PennNet, a broadcast domain is typically a single IP subnet, but that is not necessarily always the case.
Servers running on shared broadcast domains (multiple academic or administrative units sharing a broadcast domain) should be configured to answer to uniquely known clients only, perhaps using MAC address as an identifier.
www.upenn.edu /almanac/v47/n04/OR-netservers.html   (1153 words)

  
 PC Hardware reviews, overclocking, news - Network series startup 5/6
The network address is used by routers in the communication process to select destination networks, while the broadcast address is used to communicate with all hosts in a network in the same time.
The broadcast domain size is the number of all hosts in a network.
Broadcasts are used in conjunction with many network services, being a negative factor in the network performance.
www.pchardware.ro /Articles/article.php?id=152&p=5   (519 words)

  
 [No title]
A pings B and A and B are on the same 10BASE broadcast domain (single upstream switch port) A pings B, and A and B are on different ports flooding if dst B is broadcast or unicast, and B is NOT in the bridge table, flood it...
(broadcast domains and spanning-trees) protocols exist for distributed switch management of vlans assume you have VLAN 51...
It uses flooded broadcast "hellos" (multicast actually) combined with a finite-state machine that terminates with a port either forwarding or shutdown.
web.cecs.pdx.edu /~jrb/neteng/lectures/switches.txt   (1267 words)

  
 Domain Time II Technical Information: Network\Working Across Subnets
Domain Time II servers respond via the Domain Time II protocol to inform the client they are available to serve time.
A packet with a broadcast address of 172.16.255.255 would reach any machine in the 172.16 Class B network (assuming the various routers along the way agree to pass the packet).
This diagram shows both a broadcast to the local subnet and a broadcast to a remote subnet being passed by the router.
greyware.com /software/domaintime/technical/network/subnets.asp?...   (1126 words)

  
 Networking hardware, Lesson 1: Hubs and repeaters
Domain: Defined as a geographical area or logical area (in our imagination) where anything in it becomes part of the domain.
Broadcast Domain: A domain where every broadcast (a broadcast is a frame or data which is sent to every computer) is seen by all computers within the domain.
There are different devices which can break-up collision domains and broadcast domains and make the network a lot faster and efficient.
searchnetworking.techtarget.com /tip/1,289483,sid7_gci958189,00.html?track=NL-79&ad=484890   (1461 words)

  
 La Brujula Noticias
The fact that broadcasts are distributed to all devices in a LAN means LANs cannot become very large.
The ability to move endstations to different broadcast domains by setting membership profiles for each port on centrally managed switches is one of the main advantages of 802.1Q VLANs.
Broadcast and multicast frames are constrained by VLAN boundaries so only stations whose ports are members of the same VLAN see those frames.
www.brujula.net /soportelinux/doc/network/vlan-howto.html   (797 words)

  
 Introduction To VLANs
The only difference between a traditional broadcast domain and one defined by a VLAN is that traditionally a broadcast domain has been seen as a distinct physical entity whose boundaries consist of a router.
To that end, this can also be viewed as a security feature — since all HR users are part of the same broadcast domain, you could later use policies such as access lists to control which areas of the network these users have access to, or which users have access to the HR broadcast domain.
I mentioned a few times already that a VLAN is simply a special type of broadcast domain, in that it is defined on a switch port basis rather than on traditional physical boundaries.
www.networknewz.com /2003/0725.html   (1265 words)

  
 [No title]
-to host multiple broadcast domains on a single switch, using only a single port on a connected router, as opposed to having multiple switches (or sets of switches) per broadcast domain, each connected to a different ethernet port on a router.
Because VLANs create separate broadcast domains (like routers), they effectively create layer 3 groupings devices and a layer 3 device, like a router, is needed to forward traffic between VLANs.
Domain is the VTP domain to which this switch will belong.
www.cs.rpi.edu /~kotfid/bootcamp/summaries/vlans.txt   (1093 words)

  
 [No title]
Domain : تمامی کامپيوترهای عضوء يک domain هر اتفاق و يا رويدادی را که در domain اتفاق می افتد ، مشاهده و يا خواهند شنيد.
Collision Domain : در صورت بروز يک تصادم (Collision) بين دو کامپيوتر، ساير کامپيوترهای موجود در domain آن را شنيده و آگاهی لازم در خصوص آن چيزی که اتفاق افتاده است را پيدا خواهند کرد.
Broadcast Domain : در اين نوع domain ، يک پيام broadcast (يک فريم و يا داده که برای تمامی کامپيوترها ارسال می گردد) برای هر يک از کامپيوترهای موجود در doamin ارسال می گردد.
www.iritn.com /?action=show&type=news&id=5860   (1193 words)

  
 Broadcast domain: Facts and details from Encyclopedia Topic   (Site not responding. Last check: 2007-10-10)
A broadcast domain is a logical area in a computer network[Follow this hyperlink for a summary of this subject] where any computer computer quick summary:
A collision domain is a logical area in a computer network where data packets can "collide" with one another, in particular in the ethernet networking protoc...
:multicast is sometimes used to refer to a multiplexed broadcast...
www.absoluteastronomy.com /encyclopedia/b/br/broadcast_domain.htm   (686 words)

  
 Introduction to VLANs
For example, instead of making all of the users on the third floor part of the same broadcast domain, you might use VLANs to make all of the users in the HR department part of the same broadcast domain.
To that end, this can also be viewed as a security feature - since all HR users are part of the same broadcast domain, you could later use policies such as access lists to control which areas of the network these users have access to, or which users have access to the HR broadcast domain.
This would allow a server to be made part of multiple VLANs simultaneously, the benefit being that hosts from different broadcast domains could then access the server without the need for their packets to be routed.
www.securitypronews.com /articles/networksystems/spn-21-20030725IntroductiontoVLANs.html   (2006 words)

  
 RFC947   (Site not responding. Last check: 2007-10-10)
This RFC describes the extension of a network's broadcast domain to include more than one physical network through the use of a broadcast packet repeater.
RFC 947 June 1985 Multi-network Broadcasting within the Internet of all other gateways which are to receive broadcasts.
The broadcast repeater is implemented as two separate processes - the forwarder and the repeater.
www.rfc.net /rfc947.html   (1606 words)

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