By Ben Hammersley
Probably the main explosive technological development over the last years has been running a blog. in general, it has been mentioned that the variety of blogs in the course of that point has grown from 100,000 to 4.8 million-with no finish to this development in sight. what is the know-how that makes running a blog tick? the answer's RSS - a layout that enables bloggers to provide XML-based feeds in their content material. it is also an analogous expertise that is included into the internet sites of media retailers to allow them to provide fabric (headlines, hyperlinks, articles, etc.) syndicated by means of different websites. because the major know-how at the back of this quickly starting to be box of content material syndication, RSS is continually evolving to maintain speed with around the world call for. that is the place constructing Feeds with RSS and Atom steps in. It offers bloggers, internet builders, and programmers with a radical clarification of syndication generally and the most well-liked applied sciences used to advance feeds. This ebook not just highlights all of the new good points of RSS 2.0-the most up-to-date RSS specification-but additionally bargains whole assurance of its shut moment within the XML-feed area, Atom. The booklet has been exhaustively revised to give an explanation for: metadata interpretation the several kinds of content material syndication the expanding use of internet companies find out how to use renowned RSS information aggregators out there After an advent that examines net content material syndication often (its objective, barriers, and traditions), this step by step consultant tackles numerous RSS and Atom vocabularies, in addition to options for utilising syndication to difficulties past information feeds. most significantly, it promises a company deal with on tips on how to create your individual feeds, and eat or mix different feeds. if you are attracted to generating your individual content material feed, constructing Feeds with RSS and Atom is the single publication you will want in hand.
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Real-world ideas for Cisco IOS® cellular IP configuration, troubleshooting, and management
- comprehend the concept that of mobility and the necessities of mobility protocols
- study valuable parts of a cellular IP community, together with positive aspects, capabilities, and message flows
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- review excessive availability recommendations and integration with AAA servers in campus networks
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- deal with the cellular IP infrastructure, together with domestic deal with administration, scalability concerns, and community management
- seriously look into the way forward for cellular IP, together with Layer 2 integration demanding situations, cellular IPv6, unstructured mobility, and cellular ad-hoc networking
Two of the world’s strongest know-how traits, the net and cellular communications, are redefining how and while humans entry info. With the vast majority of info and new prone being deployed over IP, using units akin to mobile telephones, PDAs, and laptops for gaining access to information networks is pushing the necessity for “always on” IP connectivity. The evolution of cellular computing issues to a coming jointly of the simplest of laptop computing and mobile communications—the predictability and "always attached" event of the computing device mixed with the benefit of use and mobility of the telephone phone.
One problem to cellular information verbal exchange is relocating info throughout assorted networks. the answer to this challenge is a standards-based protocol: cellular IP. cellular IP is an open commonplace that permits clients to maintain an analogous IP tackle, remain attached, and retain ongoing functions whereas roaming among IP networks.
Mobile IP know-how and purposes is the 1st booklet to deal with the sensible program of cellular IP in real-world environments. Cisco IOS® cellular IP configuration, troubleshooting, and administration are coated intensive and supported by way of real-world examples. Mobility options addressed during this e-book contain firm campus instant LANs and metropolitan mobility for either person units and full networks. every one instance is designed to educate configuration, administration, and troubleshooting in a way that's without delay appropriate to universal mobility needs.
Whether you're looking for an creation to IP mobility or specific examples of cellular IP expertise in motion, cellular IP expertise and functions is the whole source for reaping the advantages that safe, trustworthy cellular communications need to offer.
"IP Mobility offers the potential not just for me to connect with the area at huge, yet for it to discover and attach to me. "
—Fred Baker, Cisco Fellow, Cisco platforms, Inc.
This e-book is a part of the Cisco Press® Networking expertise sequence, which bargains networking pros beneficial info for developing effective networks, realizing rising applied sciences, and development winning networking careers.
Validation of Communications structures with SDL offers a transparent sensible consultant to validating, via simulation, a telecom method modelled in SDL. SDL, the Specification and outline Language standardised through the foreign Telecommunication Union (ITU-T), is used to specify and increase complicated platforms akin to GSM, GPRS, UMTS, IEEE 802.
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Extra info for Developing Feeds with RSS and Atom
0, or if you're trying to build a complete document-centric system, as with Atom, it is very useful for many other applications. Example 4-2. 0-compliant feeds. 3. 0 feeds are produced by weblogging tools that use templates. org. 0 feed. Example 4-3. 5
So, if an item contains more than one media:content element, setting this to true makes it the default. It's an optional attribute but can be used only once within each item. expression expression determines if the object is a sample or the full version of the object. It can be either sample or full. It is an optional attribute. bitrate The bit rate of the file, in kilobits per second. It is an optional attribute. duration The number of seconds the media plays, for audio and video. It is an optional attribute.
Either way, no one can tell anything at all about the managing editor. Herein lies a classic problem. Let's recap. 9x makes a simple statement based on its element, the element's value, and the place of the element within the document. We know the language element refers to the channel that is one level above it within the XML document. We also know that in the example, the value of language is en-gb, and by understanding what the element and its value mean, we can make the statement that the channel is written in British English.
Developing Feeds with RSS and Atom by Ben Hammersley