Saturday, 31 March 2012
Thursday, 29 March 2012
How to unblock Netflix in South Africa?
Wednesday, 28 March 2012
PBS is the most prominent provider of television programs to U.S. public television stations, distributing series such as PBS NewsHour, Masterpiece, and Frontline. Since the mid-2000s, Roper polls commissioned by PBS have consistently placed the service as America's most-trusted national institution. However, PBS is not responsible for all programming carried on public TV stations; in fact, stations usually receive a large portion of their content (including most pledge drive specials) from third-party sources, such as American Public Television, NETA, WTTW National Productions and independent producers. This distinction is a frequent source of viewer confusion.PBS also has a subsidiary called National Datacast (NDI), which offers datacasting services via member stations. This helps PBS and its member stations earn extra revenue.
Tuesday, 27 March 2012
$5 Package=One Account=US,AU,UK,CA,Russia,Italy,Spain,Japan,Korea,HK,India,etc.
Sunday, 25 March 2012
The simplest way to change your IP address while browsing is by using a Australia VPN. A VPN acts as an intermmediate between you and the site you visit. So, the targeted site will get the IP address of the proxy instead of yours.
How do I hide my IP address?
You can get Free VPN accounts at vpntraffic!
Saturday, 24 March 2012
WHY WOULD YOU WANT TO CHANGE TO AN IP ADDRESS IN IRELAND? Well, perhaps:
- You are an Irish citizen wishing to access Irish websites as if you're at home.
- You are an Internet entrepreneur wanting to review your marketing campaigns in Ireland.
- You are learning English or Gaelic and desire to surf the Internet as if you are located in Ireland.
- You are an Irish traveler and your bank only allows online access from within Ireland.
- Etc, etc, etc. Ireland VPN
How do I hide my IP address?
You can get Free VPN accounts at vpntraffic!
Friday, 23 March 2012
Provisioning a VPN using a layer-2 solution is simpler, and more straight forward. Each PE router carrying the VPN needs to know the other PEs to establish VCs with in order to form the desired VPN. Then the PE ports connected to the customer sites are mapped to the VPN. Note that the use of auto-discovery eliminates the need to explicitly configure peer PEs that carry the same VPN. Currently, there are several ideas within the IETF for performing auto-discovery. When standardized, service provisioning using a layer-2 solution would be even simpler. 1 Other variants of the VPLS approach described here utilize BGP for VPN signaling. IP/MPLS-Based VPNs Layer-3 vs. Layer-2 Page 15 of 16 FOUNDRY NETWORKS WHITE PAPERManagement and Maintenance When managing a layer-3 solution, doing configuration changes, or troubleshooting problems, the service provider engineers would mainly be dealing with BGP peering sessions, BGP routes with different extended communities, their propagation, and selection by the PE, peering with customer CE routers, etc. As in many large scale IP networks, route reflection clusters or a confederation with multiple member-ASes might be in use which could contribute to the complexity of the task at hand. Also, dealing with a large number of routes belonging to multiple routing and forwarding table in addition to the global table is certainly more demanding than dealing with a single table. Finally, configuration files on the PE routers could grow so large which makes it harder to spot a misconfigured statement.
Wednesday, 21 March 2012
connectivity line represents a system where each node storesthe 233 most popular movies (i.e. they only fetch from theirlocal disk or from the ISP and use no connectivity to theirneighbors). The cooperative ﬁle caching line represents a system where ﬁles (movies) are sorted in terms of popularity andeach ﬁle, in order, is assigned to a node in the neighborhooduntil all space is exhausted. This represents a cooperativecaching of web content that is connectivity-unaware andagnostic to streamed content. This places as much content inthe neighborhood without considering the limitations of localconnectivity. The w/ NaN line represents our proposed contentplacement that considers both popularity and connectivity.There are several noteworthy observations from this simulation. First, pushing content to the neighborhood providessigniﬁcant beneﬁts – all designs do much better than w/oNaN. Second, being popularity aware is critical. Popularityunaware placement (simply placing 11% of the library—1111randomly chosen movies— not shown on graph) results inonly a 25% improvement over w/o NaN. Third, the fact thatNaN signiﬁcantly outperforms no connectivity shows takingadvantage of connectivity provides signiﬁcant beneﬁt. Fourth,the difference Belgium VPN between the NaN and cooperative ﬁle cachinglines show that the system must monitor neighborhood connectivity and place content carefully considering the streamabilityrequirement. Our approach (the NaN line) reduces the peakbandwidth demand at the second-mile link by 42% (from1980Mbps to 1143Mbps), the 95 percentile bandwidth by 45%(from 1890Mbps to 1037Mbps), and the average bandwidthby 45% (from 1210Mbps to 670Mbps). Note that this veriﬁesour assertion that the peak and average savings are likely tobe similar in larger neighborhoods.2) Placement Robustness and Fault Tolerance: The transferservice masks failure of local resources by fetching unavailablechunks from the ISP's server. This results in degraded performance. We now evaluate the system when there are contentpopularity mispredictions, unexpected node failures, and linkfailures. Here, we are interested in performance assuming thatthe system does not re-run its placement algorithm to ﬁnd anew placement. Our results show that the system performanceis not overly sensitive to such failures
Tuesday, 20 March 2012
The importance of Netﬂix's position in the VOD market in the future only serves to highlight that it isessential for Netﬂix to enter this market immediately, although initially only through the tie-in structuredescribed in the section above. If Netﬂix hesitates in its entry or does not gain suﬃcient experience in thismarket today, it will only see diminishing market shares, especially as DVD and its successor formats beginto lose popularity in favor of purely digitally transmitted media.126 ConclusionNetﬂix's business model has allowed it to thrive in the DVD rental market, but the development of technologiescomplementary to Video on Demand services are heralding the outdating of DVDs and its successor formatsin the distant future. Netﬂix can prepare to eventually make a full transition from the DVD rental marketto the VOD market by entering the streaming movie market today. France VPN Netﬂix watch By implementing its present entry inlimited form, namely by oﬀering streaming videos exclusively as a tie-in to its DVD service, Netﬂix will beable to diﬀerentiate itself from its competitors, and reduce the possibility of hurting its brand name due toany potential shortcomings with their new service. Meanwhile, its streaming service will act as a complementto its DVD rentals for several years to come. Ultimately, the experience Netﬂix gains while oﬀering thisbundle of services, combined with Netﬂix's reputation for providing user-friendly interfaces, will put Netﬂixin an ideal position to evolve into one of the major players in the VOD market in the last days of physicalmedia. Taking advantage of the opportunity to enter the VOD market now is essential to Netﬂix's futuregrowth and survival.
Monday, 19 March 2012
In this paper, we have presented an overview of the joint effort ,between SNU and KT in order to enhance the WLAN-based ,NESPOT service. Our efforts are to improve the network ,management/maintenance capability as well as the real-time ,application support. The schemes suggested in this paper would ,help both vendors and carriers to design and develop the WLAN ,products and services in a way to enhance the service quality and ,to enlarge the WLAN market. As the network size as well as the ,number of subscribers increase, it is expected more and more ,unexpected problems arise while more enhanced services are ,desired. To push the current WLAN technology and service over ,3G service towards 4G wireless, many more issues are remained ,to be resolved by academia, vendors, and carriers in a cooperative ,manner. ,7. ACKNOWLEDGMENTS ,The authors would like to thank other MWNL members, ,including Youngsoo Kim, Jeonggyun Yu, and Jack Jang, who ,participated in the prototyping of the Dr. Nespot protocol.,
Sunday, 18 March 2012
MAC address duplication within N2N can lead to the same problems that occur in ethernet networks so care must be taken to avoid conﬂicts. Edge nodes can have dynamic IP addresses by means of a DHCP server attached to an edge node in a community. As N2N TAP interfaces behave like real (e.g. ethernet) interfaces, it is also possible to run other services such as those deﬁned by the IETF Zeroconf Working Group including, but not limited to, multicast DNS (mDNS) and DNS Service discovery . Unlike most P2P systems, a node naming scheme  for locating peers is redundant in N2N.4. N2N Evaluation and TestingAs N2N is a technology that is designed to interconnect heterogeneous computers, the authors ported it to three common platforms: Linux, MacOS X including BSD variants, and Windows. From the software point of view the code base is the same. Platform-speciﬁc code was needed for supporting the various TAP APIs. The authors acknowledge that the OpenVPN project has done a signiﬁcant amount of work, so that today it is relatively simple to use TAP devices in a multivendor environment.In the test setup, the supernode was installed on a Linux PC with a public IP address although this is not really necessary as long as the supernode UDP port is publicallyreachable. N2N nodes were placed behind several types of NAT/ﬁrewall devices, including symmetric NAT and multi-NAT (i.e. cascaded NAT devices) that are often used by ISPs. Edge nodes have been used on all above listed platforms in order to evaluate interoperability. As soon as the edge application starts, the node is part of the N2N community and can communicate with remote N2N peers. Several protocols were tested successfully, ranging from SSH to dynamic FTP.
Saturday, 17 March 2012
based upon the selections in step 9. IP level user/session credentials from step 7 are used to authenticate and authorize inter-technology IP sessiontransfer. The common IP mobility anchor, uponreceiving the binding registration (sent by the UEover RAT B for client-based mobility, or by RAN Bfor network-based mobility) re-afﬁrms the sameIP address for the session and switches the datapath tunnel from the RAN A to the RAN B.• Step 12. UE completes IP connectivity establishment and buffering procedures started in step 10.Bearer path under the virtual interface is switchedto RAT B.• Step 13. IP and application sessions continue overRAT B.Seamless user experience on inter-technologyhandover is created by a combination of make-before
Thursday, 15 March 2012
IPSec has become the de facto industry standard for IP-based VPN infrastructure. The future version of IP (IPv6), has IP sec built in it, and when fully deployed, it will render IPSec obsolete (Younglove, 2000). Generally speaking and independent of IPSec, there are two basic methods in which network layer encryption is implemented. The most secure is end-to-end between 10participating hosts. This allows for the highest level of security. The alternative is tunnel mode, where encryption is only performed between intermediate devices (routers), and traffic between the end system and the router is in plain text. The latter is obviously less secure (Gleeson et al., 2000). The basic concept of this kind of implementation is to use a shared network infrastructure that is based on switched link layer technology like Frame Relay or Asynchronous Transfer Mode (ATM). Thus, a collection of VPNs may share the same infrastructure for connectivity, and share the same switching elements without being visible to each other. By this, link-layer VPNs attempts to maintain the critical elements of being self contained and economical (Gleeson et al., 2000). There are several protocols that are used in link-layer VPN implementations, the most common is Multiprotocol over ATM (MPOA), and Multiprotocol Label Swiching ( MPLS) (Venkateswaran, 2001).
Wednesday, 14 March 2012
Monday, 12 March 2012
Some of the services that could be provided at theIPSS by the NSP, based on information contained inthe TCP header, are discussed in this section.TCP performance enhancements for wirelessnetworks. In wireless networks, bandwidth and losscharacteristics across wireless links affect end-to-endTCP performance, which in turn, decreases the effective client throughput for applications based on TCP.When implemented between the client and theserver, a TCP proxy can match the TCP characteristicsto the wireless link characteristics, thereby improving end-to-end TCP performance. This matching ispossible because the TCP/IP headers are visible at theIPSS.Stateful firewall. Normally, an enterprise willallow all TCP packets to go out of the enterprise, butwill only allow TCP packets to come in to the enterprise if the corresponding TCP connection has beeninitiated from within the enterprise This is anexample of stateful-ﬁrewall functionality and requiresthat TCP state be maintained on a per-session basis.Because the TCP and the IP packet headers are visibleat the IPSS, it is possible to maintain TCP state at theIPSS; hence, the IPSS can provide stateful-firewallfunctionality for trafﬁc to/from the VPN client device.In a sense, stateful-ﬁrewall functionality is a prerequisite for other network-based VPN services, becausewithout it clients whose VPN sessions are terminatedat the IPSS are vulnerable to external attacks
Tuesday, 6 March 2012
Configuring VPN on iPad 2 is absolutely simple as you just accept to chase some easy-to-follow accomplish to authorize it. Any lay being would anticipate it would absorb acceptable akin of IT skills, etc, to configure VPN on a book like iPad 2. On the contrary, ambience up VPN on iPad 2 is just like configuring it on any added device. Before traveling advanced with the description of configuring VPN on iPad 2, it would be bigger if you accept got a basal abstraction about what is VPN.
Virtual clandestine Arrangement (VPN) is a anchored clandestine arrangement accustomed over accessible basement like Internet. The acumen why so abounding humans are searching to configure VPN on their accessories or systems is that it provides seamless online protection. As you ability be aware, you are not safe while surfing online. Your abstracts and aloofness can be compromised online. Application accoutrement like anti-virus software, proxy servers, etc, are alone partially able in attention you from online risks. When your abstracts moves through Internet, the said accoutrement cannot assure it from hacking or snooping.
VPN offers absolute online aegis because it uses tunneling technologies. On accepting a VPN account, your arrangement is affiliated to a limited server through an encrypted tunnel. All advice transiting through Internet is encrypted at the point of admission and again decrypted at the accepting point. The two ends of the adit aswell alleged tunneling interface are anchored by application assorted tunneling protocols. No one can admission advice abounding through the adit as it is encrypted. Besides, you will aswell be accustomed a generated IP abode while at the aforementioned time appearance your absolute IP address. It is a actual advantageous affection of a VPN. It is actual accessible for users active in Internet-censoring countries like China, Saudi Arabia, Kuwait, Iran etc. Also, expats active in added countries will acquisition application VPN accessible for accessing Geo-restricted sites like Netflix, Hulu etc.
Monday, 5 March 2012
Classful arrangement architecture served its purpose in the startup date of the Internet, but it lacked scalability in the face of the accelerated amplification of the arrangement in the 1990s. The chic arrangement of the abode amplitude was replaced with Classless Inter-Domain Acquisition (CIDR) in 1993. CIDR is based on variable-length subnet appearance (VLSM) to acquiesce allocation and acquisition based on arbitrary-length prefixes.
Today, debris of classful arrangement concepts action alone in a bound ambit as the absence agreement ambit of some arrangement software and accouterments apparatus (e.g. netmask), and in the abstruse abracadabra acclimated in arrangement administrators' discussions.
IPv4 clandestine addresses
Early arrangement design, if all-around end-to-end connectivity was envisioned for communications with all Internet hosts, advised that IP addresses be abnormally assigned to a accurate computer or device. However, it was begin that this was not consistently all-important as clandestine networks developed and accessible abode amplitude bare to be conserved.
Computers not affiliated to the Internet, such as branch machines that acquaint alone with anniversary added via TCP/IP, charge not accept globally different IP addresses. Three ranges of IPv4 addresses for clandestine networks were aloof in RFC 1918. These addresses are not baffled on the Internet and appropriately their use charge not be accommodating with an IP abode registry.
Today, if needed, such clandestine networks about affix to the Internet through arrangement abode adaptation (NAT).
A Layer 2 address that allows for the coexistence of assorted LAN advertisement domains, commutual via trunks application the IEEE 802.1Q trunking protocol. Other trunking protocols accept been acclimated but accept become obsolete, including Inter-Switch Link (ISL), IEEE 802.10 (originally a aegis agreement but a subset was alien for trunking), and ATM LAN Emulation (LANE).