InterNet

ডাটা এনক্রিপশন | DATA ENCRYPTION ডাটা এনক্রিপশন | DATA ENCRYPTION, নেটওয়ার্কে ডাটাকে নিরাপদ রাখার জন্য আপনি এনক্রিপশন ব্যবহার করতে পারেন। এই এনক্রিপশন পদ্ধতিকে আমরা তুলনা করতে পারি সাইফার (cipher) এর সাথে। সাইফারে যেমন সাংকেতিক ভাষা ব্যবহার করে কিছু লেখা হয়, এনক্রিপ্টেড ডাটাতেও তেমনি কিছু দুর্বোধ্য সাংকেতিক চিহ্ন ব্যবহৃত হয়। এই সাংকেতিক চিহ্নসমূহ থাকার কারণে মানুষের পক্ষে সেই ডাটা বােঝা সহজ …

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Distance Vector Routing Distance Vector Routing trendy pc networks typically use dynamic routing algorithms instead of the static ones delineated higher than. Two dynamic algorithms above all, Orcus tance vector routing and link state routing, ar the foremost standard. In this section we will look at fermer algorithm. In the following one we will study the latter one. Distance vector …

Flow-Based Routing Flow-Based Routing The algorithms studied thus far take solely the topology into consideration. They do not consider the load. If for example, there is always a huge amount of traffic from A to B, in Fig. 5-6, then it may be better to route traffic from A to C via AGEFC, even though this path is much longer …

The Server Side The Server Side Every Web site has listened to TCP port 80 for incoming corrections from clients normally browsers After the connection has been established the client sends one request and the server sends one reply. Then the connection is released. The protocol the defines the legal requests and replies is culled HTTP We will study it in …

The World Wide Web The World Wide Web is an architectural framework for accessing linked documents spread out over thousands of machines all over the Internet. in 5 years. it went from being a way to distribute high-energy physics data to the application that millions of people think of as being “The Internet.” Its enormous popularity stems from the fact …

The Client Side The Client Side, From the user’s point of view, the web consists of a vast, worldwide collection of documents, usually just called pages for short. Each page may contain links (pointers)to other, related pages,anywhere in the world. Users can follow a link (e.g.,by clicking on it), which then takes them to the page pointed to.this process can …