understanding point to point frame relay and isdn 380

... MPLS based VPNs compare to Frame- Relay and ATM FrameRelay and ATM are well known in the industry and have the reputation as being secure In order to consider MPLS-VPNs to be as secure as layer ... based solutions to traditional layer based VPN solutions such as Frame- Relay and ATM, several key security requirements need to be addressed • • • It is necessary to have addressing and routing separation ... Space and Routing Separation Business customers today need the flexibility of maintaining their own addressing plans and the freedom to use either public or private address space Both ATM and Frame- Relay, ...

Ngày tải lên: 21/12/2013, 19:15

... được, dịch vụ ISDN không sử dụng 1.3 Công nghệ Frame Relay 1.3.1 Giới thiệu Frame Relay Frame Relay chuẩn ITU-T ANSI Frame Relay dịch vụ WAN chuyển mạch gói theo hướng kết nối Frame Relay hoạt động ... Mô hình Frame Relay Hub and Spoke Topology 20 Nếu kết nối mạng hình cho Frame Relay, mạng xa có kết nối đám mây Frame Relay với kết nối VC Mạng trung tâm có kết nối vào đám mây Frame Relay có ... ) 1.3.3 Đóng gói Frame Relay Đóng gói Frame Relay thực theo phân lớp sau: + Nhận đóng gói liệu từ lớp Mạng, ví dụ: gói IP hay IPX + Đóng gói thành frame Frame Relay + Chuyển frame xuống lớp vật...

Ngày tải lên: 22/11/2012, 11:27

... được, dịch vụ ISDN không sử dụng 1.3 Công nghệ Frame Relay 1.3.1 Giới thiệu Frame Relay Frame Relay chuẩn ITU-T ANSI Frame Relay dịch vụ WAN chuyển mạch gói theo hướng kết nối Frame Relay hoạt động ... 1.16 Mô hình Frame Relay Hub and Spoke Topology Nếu kết nối mạng hình cho Frame Relay, mạng xa có kết nối đám mây Frame Relay với kết nối VC Mạng trung tâm có kết nối vào đám mây Frame Relay có nhiều ... ) 1.3.3 Đóng gói Frame Relay Đóng gói Frame Relay thực theo phân lớp sau: + Nhận đóng gói liệu từ lớp Mạng, ví dụ: gói IP hay IPX + Đóng gói thành frame Frame Relay + Chuyển frame xuống lớp vật...

Ngày tải lên: 22/04/2013, 14:50

... frame- relay class frame- relay custom-queue-list frame- relay de-group frame- relay de-list frame- relay end -to- end keepalive error-threshold frame- relay end -to- end keepalive event-window frame- relay ... [4/19/2001 9:02:26 PM] Frame Relay Commands frame- relay lmi-t392dce frame- relay lmi-type frame- relay local-dlci frame- relay map frame- relay map bridge frame- relay map clns frame- relay map ip tcp header-compression ... header-compression frame- relay mincir frame- relay multicast-dlci frame- relay payload-compress frame- relay priority-dlci-group frame- relay priority-group frame- relay pvc frame- relay qos-autosense frame- relay...

Ngày tải lên: 21/12/2013, 19:15

... encapsulation frame- relay clockrate 56000 frame- relay broadcast-queue 80 124000 64 frame- relay map ip 135.6.1.1 102 broadcast frame- relay map ip 135.6.1.3 102 broadcast no frame- relay inverse-arp ... interface Serial0 no ip address encapsulation frame- relay no frame- relay inverse-arp ! interface Serial0.1 point- to -point ip address 135.6.1.1 255.255.255.0 frame- relay interface-dlci 110 ! interface ... shutdown ! interface Serial5 no ip address encapsulation frame- relay clockrate 56000 frame- relay intf-type dce frame- relay route 101 interface frame- relay route 201 interface ! ip classless ! line privilege...

Ngày tải lên: 24/01/2014, 19:20

... Architecture Frame Relay Layers Extended Address FRADs VOFR LMI 18.2 Figure 18.1 Frame Relay network 18.3 Note VCIs in Frame Relay are called DLCIs 18.4 Figure 18.2 Frame Relay layers 18.5 Note Frame Relay ... 18-1 FRAME RELAY Frame Relay is a virtual-circuit wide-area network that was designed in response to demands for a new type of WAN in the late 1980s and early 1990s Topics discussed ... at the physical and data link layers 18.6 Figure 18.3 Frame Relay frame 18.7 Note Frame Relay does not provide flow or error control; they must be provided by the upper-layer protocols 18.8 Figure...

Ngày tải lên: 06/03/2014, 12:20

... Singapore(config-if) #frame- relay map ip 192.168.192.2 17 broadcast Singapore(config-if)#ip ospf network point- to- multipoint Verify Frame Relay operation with a ping from each router to the other two Use show frame- relay ... Use show frame- relay pvc and show frame- relay map to troubleshoot connectivity problems Rebooting the Frame Relay switch might also solve connectivity issues SanJose3#show frame- relay pvc PVC ... a point- to- multipoint network type so that it operates efficiently over a hub -and- spoke Frame Relay topology Scenario International Travel Agency has just connected two regional headquarters to...

Ngày tải lên: 19/10/2013, 03:15

... Since both Tμ and JM,λ are nonexpansive, A and B are α-inverse strongly monotone and βinverse strongly monotone, respectively, from Proposition 2.2, we have Fixed Point Theory and Applications ... be an α-inverse strongly monotone mapping and B : C → H be a β-inverse strongly monotone Fixed Point Theory and Applications mapping Let M : H → 2H be a maximal monotone mapping, {Tn : C → C} be ... strongly monotone mapping and B : C → H be a β-inverse strongly monotone mapping Let M : H → 2H be a maximal monotone mapping, {T : C → C} be a nonexpansive 16 Fixed Point Theory and Applications...

Ngày tải lên: 21/06/2014, 11:20

... the CIR for traffic shaping? Answer: frame- relay cir ITCertifyhome.com 9E0-423 Q31 What command allows you to expand the dialed digits 1234 to include a and the 510 area code? A num-exp 1234 ... minimizes transit hops and maximizes the ability to establish different qualities of service A B C D Full mesh Hybrid mesh Point to Point Point to multipoint Answer: A Q55 Select the three types of ... & Magnetic Electrical & Magneto Answer: A, B Q140 What are the two kinds of leased-line networks? (Select two) A B C D E Point- To -Point Multi-drop Point- To- Multipoint Full mesh Hybrid Mesh Answer:...

Ngày tải lên: 24/01/2014, 13:20

... fertilizer, and oil In cup A, mix together water and soil In cup B, mix together water and bleach In cup C mix together water and oil In cup D, mix together water and dish soap In cup E, mix together ... Source Actual Contaminant Point or NonPoint? Cup A Soil/Sediment Nonpoint Cup B Bleach Nonpoint Cup C Oil Point AND Nonpoint Cup D Dish Soap Nonpoint Cup E Liquid Fertilizer Nonpoint Cup F None N/A ... is called a nonpoint source pollutant Lesson Number: MS.NR.3.4 Middle School Food and Agricultural Literacy Curriculum Understanding Point vs Nonpoint Source Water Pollution Nonpoint source water...

Ngày tải lên: 18/02/2014, 04:20

... „ „ „ Handle transmission errors Segmentation and re-assembly Handle lost and misinserted cells Flow control and timing Supported Application types „ „ „ „ „ Circuit emulation VBR voice and video ... transfer protocol not based on ATM „ PCM (voice) ƒ Assemble bits into cells ƒ Re-assemble into constant flow „ IP ƒ Map IP packets onto ATM cells ƒ Fragment IP packets ƒ Use LAPF over ATM to retain ... SAP „ Segmentation and re-assembly sublayer (SAR) ƒ Packages and unpacks info received from CS into cells „ Four types ƒ ƒ ƒ ƒ Type Type Type Type 3/4 AAL Protocols Segmentation and Reassembly PDU...

Ngày tải lên: 06/03/2014, 09:21

... she began to export wheat with a modest shipment of 5,000 tons Thirty years later the export had mounted up to 2,247,988 tons, and in 1908 the wheat exported amounted to 3,636,293 tons, and was ... in 1908 amount to more than £568,966; Belgium took 65,224 sheep, Chili took 45,114 cattle and 14,394 sheep, Bolivia took 3,383 head of cattle and 10,676 sheep, and 16,000 asses and mules, while ... the Tropics to away down south to the everlasting snows, embracing all kinds of lands, from the very richest of soils to ice-capped and rocky peaks, and you must admit that to attempt to describe...

Ngày tải lên: 29/03/2014, 02:21

... single -point turning tools (B94.55M-1985), standard tool-life testing and representation includes Taylor’s tool life formula vT n = CT where T is tool life in minutes, and CT is a constant into which ... Point Cutting Tools This chapter presents the basic terms and their definitions related to cutting tool geometry according to ISO and AISI standards It considers tool geometry and inter-correlation ... systems: tool-in-hand, toolin-machine, and tool-in-use It also reveals and resolves the common issues in the selection of geometry parameters including those related to indexable inserts and tool...

Ngày tải lên: 08/04/2014, 11:17

... nonexpansive mappings and monotone mappings,” Journal of Optimization Theory and Applications, vol 118, no 2, pp 417–428, 2003 Fixed Point Theory and Applications 13 S Takahashi and W Takahashi, ... problems and fixed point problems in Hilbert spaces,” Journal of Mathematical Analysis and Applications, vol 331, no 1, pp 506–515, 2007 K Shimoji and W Takahashi, “Strong convergence to common fixed points ... space and let C be a closed and convex subset of H PC is the metric projection from H onto C, that is, for any x ∈ H, x − PC x ≤ x − y for all y ∈ C It is easy to see that PC is nonexpansive and...

Ngày tải lên: 21/06/2014, 17:20

... 2 Fixed Point Theory and Applications A metric space M, d is said to be a hyperconvex metric space 11 if for any collection of points xα of M and any collection rα of nonnegative ... Fixed Point Theory and Applications then the conclusion follows if we show that the set-valued map H x G− F x : M M has a fixed point Since G is onto, then H x / ∅ Since F x is admissible and G ... M and let G : X → X be an isometry We show that G satisfies all the conditions of Fixed Point Theory and Applications Theorem 3.1 Since X is compact and G : X → X is an isometry, then G is onto...

Ngày tải lên: 21/06/2014, 23:20

... For this it is necessary to analyze the elements d l and δl in terms of the vector space basis above, noting that l and δl are decomposable and that |d l | = |zl | + and |δl | = | yl | Now δl ... about H-spaces An H-space consists of a space X and a map m : X × X → X (called the multiplication) such that m restricted to each factor is homotopic to the identity map id For an H-space X, the ... said to be homotopy-associative if the maps m(m × id), m(id × m) : X × X × X → X are homotopic The Hopf-Leray-Samelson theorem ([6, page 268] and [7, Theorem 7.20]) asserts that if X is a homotopy-associative...

Ngày tải lên: 22/06/2014, 22:20

... nội dung tín hiệu Chúng ta lu ý tín hiệu số đợc truyền khoảng cách định trớc độ suy hao làm hỏng to n vẹn liệu Để truyền tín hiệu số xa, lặp ( repeater ) đợc đặt đờng truyền Các lặp thu tín hiệu ... kích thớc mạch số liên tục giảm Trong giá bảo trì thiết bị số nhỏ so với thiết bị tơng tự Tính to n vẹn tín hiệu số : Dùng lặp số thay khuếch đại tơng tự hiệu lực ồn suy giảm tín hiệu không đợc ... tích luỹ cho phép tín hiệu số đợc truyền xa , qua đờng truyền chất lợng phơng tiện số bảo trì tính to n vẹn liệu Khả sử dụng : Đây tính kinh tế xây dựng đờng truyền với băng thông cao bao gồm kênh...

Ngày tải lên: 05/08/2014, 19:21

... 1.5 to Mb/s downstream 1.544 or Mb/s 1.544 or Mb/s 13 to 52 Mb/s downstream Symmetric 3.7 km Digital 2B1Q 196 KHz 1.5 to 2.3 Mb/s upstream Asymmetric 1.4 km Analog DMT > 10 MHz Veries 16 to 640 ... đờng kính chất lợng cáp Nó đủ để bao phủ khoảng 95% to n đờng dây thuê bao nớc Mỹ đủ độ phủ tơng đơng nớc khác Đa âm ( Multitone ) rời rạc Multitone rời rạc DMT sử dụng sóng mang tạI tần số khác ... dẫn tốc độ cao http://www.ebook.edu.vn 3.3 Giao diện U Khuyến nghị ITU-T ISDN ISDN không bao gồm dẫn cho đờng thuê bao ISDN Tuy nhiên ITU-T đa vào khuyến nghị G.961* mà giao diện thiết bị thuê...

Ngày tải lên: 05/08/2014, 19:21

... xét Cell Relay tiến triển từ Frame Relay Sự khác đáng kể Cell Relay Frame Relay Frame Relay sử dụng gói có độ dài thay đổi Cell Relay sử dụng gói có độ dài cố định gọi Cell Nh với Frame Relay, ... gian sử lý tiêu đề Cell Relay giảm xuống so với Frame Relay Do Cell Relay đợc thiết kế để làm việc dải tốc độ 10 Mb/s cho dến 100-Mb/s Một khía cạnh khác để xem xét Cell Relay phát triển chuyển ... dụng, mạng frame relay đợc thiết kế để vận hành tốc độ ngời sử dụng lên tới 2-Mb/s Chìa khoá đẻ đạt đợc tốc độ cao nh loại bỏ hầu hết phần tiêu đề để điều khiển lỗi Cell relay Cell relay đợc...

Ngày tải lên: 05/08/2014, 19:21