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Muhammad Muqorobin - One of the best experts on this subject based on the ideXlab platform.
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Analisa Perencanaan Roaming Intersistem Jaringan Mobile WiMAX - WCDMA Dengan SOlusi Mobile IPv6
Universitas Telkom, 2009Co-Authors: Muhammad MuqorobinAbstract:ABSTRAKSI: Worldwide Interoperability for Microwave Access (WiMAX) dan Wideband Code Division Multiple Acces/Universal Mobile Telecomunication System (WCDMA/UMTS) yang merupakan generasi baru dari Global System Mobile (GSM) menjadi salah satu alternatif dalam menyediakan layanan Broadband Wireless Access (BWA) untuk user. WiMAX memiliki data rate besar namun kurang mendukung mobilitas dan juga penggunaan jaringan WiMax yang masih dibilang jarang sehingga membatasi coverage layanan dari provider penyelenggara WiMAX, WCDMA/UMTS mendukung mobilitas user tapi dengan data rate sedang namun jaringan sudah tersedia hampir di seluruh daerah. Melihat hal ini muncullah ide untuk mengkombinasikan kedua teknologi tersebut sehingga kelemahan keduanya bisa tertutupi. Saat ini teknologi Mobile IP (MIP) dinilai mampu untuk mewujudkan hal ini. MIP memberikan kemampuan kepada user untuk bergerak dan berganti IP Address setiap saat tanpa memutus/me-restart komunikasi data yang sedang terjadi. Pemodelan penelitian pada Tugas Akhir ini difokuskan pada arah downlink dimana Corespondent Node (CN) mengirimkan paket data kepada sebuah mobile node (MN) yang berada di jaringan WCDMA/UMTS (home network), namun pada saat proses pengiriman data tersebut mobile node melakukan perpindahan titik sambung ke sebuah jaringan mobile WiMAX (foreign network). Evaluasi dan analisa sistem interworking ini dilakukan secara protokol, dimana akan dianalisa jalannya paket data pada layer-layer protokol jaringan WCDMA/UMTS-mobile WiMAX serta MIPv6 process pada saat menangani komunikasi data. Hasil analisa dan evaluasi sistem interworking menunjukan bahwa komunikasi data pada saat awal komunikasi belum maksimal, hal ini dikarenakan sistem tersebut masih harus melakukan CoA addressing, Binding Update-Acknowledge (BU-BA) Mobile Node (MN) dengan Home Agent (HA), serta BU-BA MN dengan CN. Sistem interworking ini bekerja maksimal saat CN sudah mampu untuk berhubungan langsung dengan CoA MN tanpa intercept HA, yaitu setelah BU-BA MN dengan CN. RADIUS berperan dalam proses Authorization, Authentication, Accounting (AAA) antara MN dengan mobile WiMAX dan WCDMA/UMTS network. MIPv6 routing header mengganti destination address pada header IPv6 yaitu MN COA dengan HoA pada saat paket tersebut sampai di MN CoA sehingga seolah-olah tidak ada pergantian IP address.Kata Kunci : Mobile WiMAX, MIP, RADIUS, MIPv6 routing header, Roaming IntersystemABSTRACT: Worldwide Interoperability for Microwave Access (WiMAX) and Wideband Code Division Multiple Access/Universal Mobile Telecommunication System (WCDMA/UMTS) which is the new genertaion of GSM (Global System for Mobile communication) become an alternative in providing the future Broadband Wireless Access (BWA). WiMAX has very high datarate but it is quitely limited in Access Network because of the infrastructure of WiMAX itself is still rarely, so it is only support for user mobility for small coverage area. In the other hand WCDMA/UMTS has high enough datarate and also WCDMA/UMTS access network arsitecture is provided in almost of every angle of region so it is highly support for user mobility. Base of those reasons above, there were an idea to combine the two technologies so they can takes the benefit of each other. WiMAX can support the higher datarate of WCDMA/UMTS and WCDMA/UMTS can allow WiMAX user to have higher mobility support. Now, MIP is the most capable technology to realize this 2 planning. MIP allow user to change the IP address or point of attachment without restarting the communication which is go on. This project is use WiMAX-WCDMA/UMTS roaming scenario that HA (Home Agent) as the MIP server is provided by WCDMA/UMTS network as a home network (network which is user do registration and get IP address for the first time). The research methode is in downlink direction, where CN (Correspondent Node) Sending Packet data to MN (Mobile Node) in UMTS network, MN makes a handover toward mobile WiMAX network. The evaluation and analyzation of the scenario is done by protocol description, where as could be explained the Packet transportation on the layer-layer protocol of WCDMA/UMTS and mobile WiMAX network. It is also explained the MIPv6 process when handled the data communication and handover. The evaluation of intersystem roaming shows that in the beginning of communication is not optimal, this is because the MN must do CoA (Care of Address) addressing Binding Update-Acknowledge with the HA and BU-BA with the CN. The roaming will working optimal when the CN is able to communicate directly with the MN in the foreign network without interception of HA. That is after MN do BU-BA with the CN. RADIUS protocol take control on Authentication, Authorization and Accounting process between WiMAX’s and UMTS’s AAA server. MIPv6 header change the destination address on header IPv6 that is MN CoA with MN HoA when the Packet is arrive to MN CoA, so the IP address changing is hidden from the upper layer.Keyword: Mobile WiMAX, WCDMA/UMTS, MIP, RADIUS, MIPv6 routing header, Roamin
Wang Hao - One of the best experts on this subject based on the ideXlab platform.
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combination of pfring with napi Packet capture performance optimization and simulation
Computer Engineering and Applications, 2013Co-Authors: Yu Gan, Zhang Jun, Wang HaoAbstract:Frequent interrupt response, redundant data copying and context switching are major factors of impacting network Packet capture performance. In order to reduce the impact of these factors, this paper proposes the combination of PF_RING with NAPI. And it is applied to the Packet capture process, to overall optimizing the performance. It compares the differences between PF_RING and traditional Packet capture mechanism. It analyses the advantages of combination of PF_RING with NAPI. It builds the experimental platform, Sending Packet in kernel and experimental simulation. In the simulation, it compares with traditional method from the Packet capture ratio and processing efficiency. The experiment data shows that the combination of PF_RING with NAPI can effectively improve network Packet capture performance.
Borut, Kafi Ramadhani - One of the best experts on this subject based on the ideXlab platform.
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ANALISA PENDETEKSIAN SERANGAN BLACKHOLE PADA JARINGAN MANET (MOBILE AD-HOC NETWORK) MENGGUNAKAN METODE GENETIC ALGORITMA DAN ANT COLONY OPTIMIZATION
2017Co-Authors: Borut, Kafi RamadhaniAbstract:MANET merupakan sebuah topologi baru dalam jaringan wireless yang sering digunakan dan dikembangkan untuk sebuah penelitian saat ini. MANET (Mobile Ad-hoc network) merupakan sebuah jaringan yang terdisentralisasi namun tidak tergantung oleh infrastruktur seperti router. MANET (Mobile Ad-hoc Network) merupakan jenis jaringan adhoc yang mampu beradaptasi dengan sendirinya menggunakan protokol wireless. Setiap node dalam jaringan MANET ini mampu menjadi router ataupun client sehingga mereka mampu beradaptasi dalam setiap jaringan yang ada. Node dapat berkomunikasi dengan semua node lain dalam rentang radio yang mereka miliki, sementara node yang tidak di kisaran range jangkauan wireless dapat langsung menggunakan node lain (s) yang terdekat jangkauannya untuk berkomunikasi dengan satu sama lain. Node dalam MANET juga merupakan perangkat yang bergerak. Aktifitas perpindahan node bergerak secara random. Jaringan MANET ini juga tidak dapat dikatakan 100 % aman dari sisi keamanan jaringannya. Banyak serangan-serangan yang sering digunakan untuk membuat jaringan MANET ini down dan antara node tidak dapat berkomunikasi. Adapun beberapa serangan yang sering digunakan dalam jaringan MANET antara lain WormHole Attack, Suspicious Attack, Flooding attack dan blackhole Attack. Namun serangan yang sering digunakan dalam beberapa penelitian yang ada dalam jaringan MANET khususnya pada protokol routing AODV adalah serangan blackhole. Serangan blackhole ini mengadopsi kelemahan dalam jaringan MANET yaitu dari sisi Route Discovery atau pencarian rute. Pada proses Route Discovery dalam jaringan MANET dimana setiap node dalam jaringan mengirimkan RREQ (Route Request) dengan sistem broadcast untuk mencari sebuah rute jaringan dan mengenali node tetangganya. Masing-masing node akan menerima dan mengirim kembali broadcast dengan header Route Replay (RREP) yang telah dikirim dari destination node. Malicious node sebagai penyerang mencoba untuk mencegah pencarian rute yang di lakukan oleh source node. Dengan mengirim paket RREP (Route Reply) palsu pada source node sehingga mampu membanjiri jaringan dan menggagalkan terjadinya rute dalam jaringan AODV antara source node dengan destination node. Untuk mengatasi permasalahan diatas, beberapa penelitian telah dilakukan. Oleh karena itu, Dalam penelitian ini, penulis ingin mengemukakan rancangan untuk mendeteksi dan mengklasifikasikan serangan blackhole dalam jaringan AODV menggunakan metode GA (Genetic Algorithm) dan ACO (Ant Colony Optimization). Serta menganalisa dan mendeteksi pola serangan blackhole berdasarkan nilai throughput dan delay dari aktifitas jaringan masing-masing node ketika serangan blackhole tersebut terjadi. ==================================================================================================== MANET is a new topology in wireless networks that are often used and developed for a current research. MANET (Mobile Ad-hoc network) is a network of decentralized but are not dependent on infrastructure such as routers. MANET (Mobile Ad-hoc Network) is a kind of ad hoc network that is able to adapt itself using wireless protocol. Each node in a MANET network is capable of being a router or client so that they are able to adapt in any existing network. Node can communicate with all other nodes within the range of the radio at their disposal, while nodes that are not in the range of range of wireless coverage can directly use the other node (s) that is closest reach to communicate with one another, Nodes in MANET is also a device that moves. Displacement activity nodes move randomly. MANET network also can not be said to be 100% safe in terms of network security. Many attacks are often used to create a MANET network is down and the node can not communicate. As for some of the attacks that are often used in the network Manet among others Wormhole Attack, Suspicious Attack, attack and blackhole Flooding Attack. But the attacks are often used in some of the existing research in MANET networks in particular on AODV routing protocol is a blackhole attack. Blackhole attack is adopting a weakness in MANET networks, namely from the side of Route Discovery or route search. In the process of Route Discovery in MANET network where each node in the network sends RREQ (Route Request) to the broadcast system to search for a network and identify the neighbor node. Each node will receive and send back the broadcast with a header Route Replay (RREP) which has been sent from the destination node. Malicious node as the attackers try to prevent these searches will be undertaken by the source node. By Sending Packet RREP (Route Reply) is false in the source node so as to overwhelm the network and thwarting the AODV route in the network between the source node to the destination node. To overcome the above problems, several studies have been done. In this study, the authors would like to put forward the draft to detect and classify blackhole attack in AODV network using GA (Genetic Algorithm) and ACO (Ant Colony Optimization). And analyze and detect patterns blackhole attack based on the throughput and delay of each node network activity when the blackhole attack occurred
Yu Gan - One of the best experts on this subject based on the ideXlab platform.
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combination of pfring with napi Packet capture performance optimization and simulation
Computer Engineering and Applications, 2013Co-Authors: Yu Gan, Zhang Jun, Wang HaoAbstract:Frequent interrupt response, redundant data copying and context switching are major factors of impacting network Packet capture performance. In order to reduce the impact of these factors, this paper proposes the combination of PF_RING with NAPI. And it is applied to the Packet capture process, to overall optimizing the performance. It compares the differences between PF_RING and traditional Packet capture mechanism. It analyses the advantages of combination of PF_RING with NAPI. It builds the experimental platform, Sending Packet in kernel and experimental simulation. In the simulation, it compares with traditional method from the Packet capture ratio and processing efficiency. The experiment data shows that the combination of PF_RING with NAPI can effectively improve network Packet capture performance.
Zhang Jun - One of the best experts on this subject based on the ideXlab platform.
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combination of pfring with napi Packet capture performance optimization and simulation
Computer Engineering and Applications, 2013Co-Authors: Yu Gan, Zhang Jun, Wang HaoAbstract:Frequent interrupt response, redundant data copying and context switching are major factors of impacting network Packet capture performance. In order to reduce the impact of these factors, this paper proposes the combination of PF_RING with NAPI. And it is applied to the Packet capture process, to overall optimizing the performance. It compares the differences between PF_RING and traditional Packet capture mechanism. It analyses the advantages of combination of PF_RING with NAPI. It builds the experimental platform, Sending Packet in kernel and experimental simulation. In the simulation, it compares with traditional method from the Packet capture ratio and processing efficiency. The experiment data shows that the combination of PF_RING with NAPI can effectively improve network Packet capture performance.
