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Topic: Web cache


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In the News (Wed 3 Dec 08)

  
  Web cache - Wikipedia, the free encyclopedia
Web caching is the caching of web documents (HTML pages, images, etc.) in order to reduce bandwidth usage and web site access times.
Server-side caches, also known as reverse-caches and web accelerators, are placed in front of origin servers to reduce their load.
Web caches also perform related tasks such as user authentication and content filtering.
en.wikipedia.org /wiki/Web_cache   (346 words)

  
 Configuring browsers to use the web cache
The aim of the web cache (or "caching web proxy server" to give a more complete description) is to reduce the University's use of external network bandwidth and to improve response time for requests handle by the cache, compared to fetching documents direct from their respective origin servers.
Data fetched through the web cache avoids charging for the end-user, and typically also for the University since most documents from outside JANET are fetched via the JANET national web cache, which is currently free even for documents involving transatlantic transfers.
Web Proxy Auto-Discovery (WPAD) is a draft Internet standard, being developed by an IETF Working Group to provide a way for web clients to locate an auto-configuration script (appropriate to their current location within the network) without requiring any explicit configuration (e.g.
www.cam.ac.uk /WWW/ProxyServer/confignotes.html   (3560 words)

  
 Enterasys' Transparent Web Cache Redirect on the X-Pedition Router   (Site not responding. Last check: 2007-10-20)
The next time the Web Cache Server sees a request for that same object, it traps the request and responds to the client with the locally stored object, with the responding packet appearing to have come from the requested server.
There are many different Web Cache Server vendors, and how they maintain their caches is beyond the scope of this paper.
Web Cache Server load balancing is accomplished by putting a list of the IP addresses of the Web Cache Servers within quotation marks.
www.enterasys.com /products/whitepapers/ssr/cache-redirect   (1455 words)

  
 Information about the University Web Cache
When your web browser is configured to use a web cache (technically this is actually a proxy cache), all the requests that your browser makes are made through the web cache.
Finally, if the web cache doesn't have an alternative, it will request the URL from the parent web cache (JANET), or if it is in a list of exceptions, from the relevant site directly.
As mentioned, the University web cache is "parented" by the JANET web caching service (their website.
www.iso.port.ac.uk /docs/user/webcache.shtml   (495 words)

  
 The page cannot be found   (Site not responding. Last check: 2007-10-20)
The page you are looking for might have been removed, had its name changed, or is temporarily unavailable.
Make sure that the Web site address displayed in the address bar of your browser is spelled and formatted correctly.
If you reached this page by clicking a link, contact the Web site administrator to alert them that the link is incorrectly formatted.
www.absoluteastronomy.com /encyclopedia/w/we/web_cache.htm   (121 words)

  
 Caching Tutorial for Web Authors and Webmasters
Proxy caches are a type of shared cache; rather than just having one person using them, they usually have a large number of users, and because of this they are very good at reducing latency and network traffic.
In How Web Caches Work, we said that validation is used by servers and caches to communicate when an representation has changed.
Some caches do allow their administrators to prioritize what kinds of representations are kept, and some allow representations to be “pinned” in cache, so that they’re always available.
www.mnot.net /cache_docs   (6006 words)

  
 The University of Cambridge web cache server
A proxy web server (the one we are using is Squid) "sits between" your web browser and the servers from which you are retrieving documents, and acts as an intermediary ("proxy") by fetching documents on your behalf and then passing them to your browser.
A web server may also specify an "expiry time" after which a document should be deemed out-of-date, and the proxy server will check for availability of a newer copy after that time.
Information about web cache load (level of use), performance, etc., are available in the form of (almost) real-time monitoring graphs.
www.cam.ac.uk /WWW/ProxyServer   (1319 words)

  
 Oracle9ias Web Cache--Feature Overview--Oracle Corporation   (Site not responding. Last check: 2007-10-20)
The "partial-page" caching functionality that ESI enables is especially useful for Web pages that contain targeted banner ads, individual account information, or other user-unique elements that should not be cached.
Web developers frequently use technologies like JavaServer Pages, PL/SQL Server Pages, and Active Server Pages to design their applications, mainly because complex Web sites are easier to modify and maintain when information is stored in a database.
Products and services that cache static content can provide some welcome relief, however they are typically unable to serve dynamic content because they lack the means to verify the consistency of Web pages with the data sources used to create them.
www.oracle.com /technology/products/ias/htdocs/9iaswebcache_fov.html   (1781 words)

  
 web-cache.com: Writings: Papers and Articles
Given this rocketing growth, caching of web objects as a means to reduce network bandwidth consumption is likely to be a necessity in the very near future.
The analysis divides cache responses into classes according to whether or not the cache communicated with a remote server and whether or not object data was served from the cache.
Web caches can not only reduce network traffic and downloading latency, but can also affect the distribution of web traffic over the network through cost-aware caching.
www.web-cache.com /Writings/papers.html   (5233 words)

  
 Configuring Web Cache Services Using WCCP
Once the view is consistent across all cache engines in the cluster, one cache engine is designated as the lead and sets the policy that the routers need to deploy in redirecting packets.
If a cache engine is unable to provide a requested object it has cached due to error or overload, the cache engine will return the request to the router for onward transmission to the originally specified destination server.
The dynamic services are defined by the cache engines; the cache instructs the router which protocol or ports to intercept, and how to distribute the traffic.
www.cisco.com /univercd/cc/td/doc/product/software/ios122/122cgcr/ffun_c/fcfprt3/fcf018.htm   (3650 words)

  
 InterSystems Caché: Post-relational Database
CACHÉ is a multidimensional database that uniquely combines robust objects and robust SQL, thus eliminating object-relational mapping.
Caché enables rapid Web application development, extraordinary transaction processing speed, massive scalability, and real-time queries against transactional data - with minimal maintenance requirements.
Caché is available for Unix, Linux, Windows, Mac OS X, and OpenVMS – and it's deployed on more than 100,000 systems ranging from two to over 50,000 users.
www.intersystems.com /cache   (162 words)

  
 CCProxy - Web Cache Proxy, Web Caching and Proxy Cache Technology
The web caching function is based on IE cache technology.
CCProxy's web caching function is based on IE web page cache technology.
The web caching function is based on IE web page cache technology.
www.youngzsoft.net /ccproxy/web-cache.htm   (342 words)

  
 The CRISP Web cache
The CRISP Web Cache is a scalable Internet proxy cache developed in a collaboration with Misha Rabinovich and others at ATandT Research.
CRISP caches are structured as a collection of autonomous proxy servers that share their cache contents through a mapping service.
Web Caching and Content Distribution: A View From the Interior.
www.cs.duke.edu /ari/cisi/crisp   (358 words)

  
 [No title]
D Forster G Tiwana R Wilson Cisco Systems 13 Jul 2000 Expires Jan 2001 Web Cache Coordination Protocol V2.0 Status of this Memo This document is an Internet-Draft and is in full conformance with all provisions of Section 10 of RFC2026.
The Web Cache View Info component also includes a change number which is incremented each time Service Group membership information changes.
Web Cache 0-n List of the IP addresses of useable web-caches in Service Group.
www.web-cache.com /Writings/Internet-Drafts/draft-wilson-wrec-wccp-v2-00.txt   (7258 words)

  
 Web Cache Server SELECT COUNTRY China Japan Korea. Oracle ...
OracleAS Web Cache 10g is the software industry's leading application acceleration solution.
Web caching is the caching of web documents (HTML pages, images, etc.) in order to reduce...
Covers the how's and why's of Web caching for people who publish on the Web.
web-cache-server.krystech.ru   (816 words)

  
 CacheFlow revs up server-side Web cache
The SA 725 is a Web-caching appliance designed to sit in front of a Web server or server farm.
Web pages comprise many different objects such as logos, script and text, which are retrieved serially when a user requests a certain page.
A Web server also provides this information, so data from both devices can be compared and combined for a precise look at visitor behavior.
www.networkworld.com /reviews/2001/0402rev2.html   (1072 words)

  
 Web cache cost-benefit analysis
The Internet Cache Protocol (ICP) is used for inter-cache communication, to determine which of the cooperating caches holds the requested document (and is also a load balancing feature).
A misconfigured web cache, or a web cache under heavy load may add latency.
Around 20 institutions out of 450 participate in the web cache system, even if some of these are among the larger institutions.
www.uninett.no /arkiv/desire/cost-benefit/cb-enkel.html   (947 words)

  
 Summary Cache: A Scalable Wide-Area Web Cache Sharing Protocol
The sharing of caches among Web proxies is an important technique to reduce Web traffic and alleviate network bottlenecks.
In this paper we demonstrate the benefits of cache sharing, measure the overhead of the existing protocols, and propose a new protocol called ``Summary Cache''.
In this new protocol, each proxy keeps a summary of the cache directory of each participating proxy, and checks these summaries for potential hits before sending any queries.
www.cs.wisc.edu /~cao/papers/summary-cache   (141 words)

  
 CERT Advisory CA-2001-29 Oracle9iAS Web Cache vulnerable to buffer overflow
Defcom Labs has discovered a remotely exploitable buffer overflow vulnerability in the Oracle9iAS Web Cache (on all platforms) that allows intruders to either execute arbitrary code with the privileges of the Web Cache process, or disrupt the normal operation of Web Cache.
The Oracle9iAS Web Cache provides four web services that are all vulnerable and enabled by default when the software is installed.
Finally, an intruder may be able to gain access to other systems by using Web Cache as an entry point into the network or by leveraging an existing trust relationship between Web Cache and another system.
www.cert.org /advisories/CA-2001-29.html   (479 words)

  
 Cache Now!
Web cache offers a win/win situation for both content providers and users, yet is little used in North America.
Subsequent requests from other users of the cache get the saved copy, which is much faster and does not consume Internet bandwidth.
Encourage the use of LAN cache servers in office environments and elsewhere.
vancouver-webpages.com /CacheNow   (471 words)

  
 Web Cache Illuminator™ - Investigate Visited Web Sites
Just point and click to the web cache folder and it will create a meaningful list that not only displays all the file names in the cache; but, more importantly, displays the title given by the web page's creator.
The Web Cache Illuminator will enhance any investigation of online activity because, in an attempt to hide their activity, people often delete their browser's history list -- but they will forget (or do not know how) to delete the browser's cached files.
If you have ever tried to look at the cached files with a web browser or a file explorer, you know how useless the list is: basically you only get the file name, size, and other data not descriptive of the contents.
www.nstarsolutions.com /wci.htm   (405 words)

  
 TERENA/JANET Web Cache "appliance" project   (Site not responding. Last check: 2007-10-20)
In order to achieve the maximum deployment of WWW caching technology, we propose to develop a custom operating system and cache server distribution on CD-ROM which is suitable for installation on lowest-common-denominator PC hardware.
This is an activity of the TERENA Task Force on Web Caching.
If you're getting excited now at the thought of this, be warned that this is still a hacker only release, and only the very dedicated should actually try to use it at this stage, though the initial release is being made available for anyone who's curious or interested in contributing to the project.
wwwcache.ja.net /dev/lsd   (1526 words)

  
 Web Cache Encyclopedia Article, Information, History and Biography @ InternetNavigator.com   (Site not responding. Last check: 2007-10-20)
Web Cache Encyclopedia Article, Information, History and Biography @ InternetNavigator.com
Local Cache Updated: Tue Mar 21 16:04:46 2006
"Web cache" results in these other popular encyclopedia sites:
www.internetnavigator.com /encyclopedia/Web_cache   (466 words)

  
 Web Cache Server EngageIP Cache Server Overview, Windows, ...   (Site not responding. Last check: 2007-10-20)
Find web cache server stores, compare web cache server prices.
Entering into the world of academia is the start of a new chapter in your life.
A party bus rental is a perfect and affordable choice for anyone who is faced with the task of putting together a large gathering of friends that will involve transportation.
web-cache-server.top999.ru   (467 words)

  
 ISS X-Force Database: oracle-webcache-http-bo(15463): Oracle9i Application Server Web Cache HTTP Request Method buffer ...   (Site not responding. Last check: 2007-10-20)
Oracle9i Application Server Web Cache versions 9.0.4.0.0, 9.0.3.1.0, 9.0.2.3.0, and 9.0.0.4.0 are vulnerable to a heap-based buffer overflow.
SANS Handler's Diary March 13th 2004, Oracle Application Server Web Cache Vulnerabilities; Port 65506 at http://isc.incidents.org/diary.html?date=2004-03-13.
CVE-2004-0385: Heap-based buffer overflow in Oracle 9i Application Server Web Cache 9.0.4.0.0, 9.0.3.1.0, 9.0.2.3.0, and 9.0.0.4.0 via a long HTTP request method header to the Web Cache listener.
xforce.iss.net /xforce/xfdb/15463   (330 words)

  
 Bazooka : G2 Web Cache   (Site not responding. Last check: 2007-10-20)
The Gnutella Web Cache is an important part of the Gnutella connectivity process, It's use is to provide an initial entry point into the Gnutella and G2 Network.
With Gnutella and Gnutella2 (G2) using the same Discovery Service architecture, it was apparent that strict rules were needed to define what a Gnutella2 cache is. Bazooka proposes and uses these rules and builds upon the already existing GWC2 standard.
Note: Please make sure your Web Cache is working correctly before submitting your URL into the wild.
rocketx.port5.com   (369 words)

  
 Gnutella Web Caching System
The Gnutella Web Caching System, or GWebCache, is a simple but powerful web-based distributed host caching system to support the Gnutella network.
It was developed with Gnucleus, and since it is a simple, open system, we invite anyone to use it.
Also, many people have been asking on how to remove their GWebCache and stop the requests, the sad answer is: unless the clients that are abusing your cache don't stop (which they haven't, for more than half a year now), you can't.
www.gnucleus.com /gwebcache   (474 words)

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