Digest from here :

In a mixed simulation involving wired and wireless nodes its necessary : 1. to turn on hierarchical routing 2. to create separate domains for wired and wireless nodes. There may be multiple wired and wireless domains to simulate multiple networks. 3. to have one base-station node in every wireless domain, thru which the wireless nodes may communicate with nodes outside their domain.

we need to use hierarchical routing in order to route packets between wireless and wired domains

• the routing information for wired nodes are based on connectivity of the topology
• use base-stations which act as gateways between wired and wireless domains

#Number of domains in this topology is 2 (one for the wired nodes and one for the wireless) AddrParams set domain_num_ 2

#Number of clusters in each of these domains #which indicates the first domain (wired) to have 1 clusters and #the second (wireless) to have 5 cluster. AddrParams set cluster_num_ {1 5}

#the number of nodes in each of these clusters AddrParams set nodes_num_ {1 1 3 1 1 1}

心得: 在 mobiwan 中，bs 可以當 rt 用， 因此 bs 也有路由功能

每個 bs 都可以當 HA, 因此 mobiwan 裡不必指定 HA, mobile attach 上的那個點就自動做 HA.

所以 set mobile_ [create-mobile 1.4.1 1.4.0 1000 200 0 0 0.01] 表示 mobile 會把 1.4.0 這節點當作 HA

create-mobile 來自 proc-mipv6-config.tcl 啟動 def_mobile_config 來處理

base-station: create-base-station 啟動 def_bs_config 來處理 讓 bs 可以處理 wired&wireless 的重點是 #have wired routing mechanism turned on -wiredRouting ON 開啟 MIPv6 功能 -mipv6 ON

router: def_transit_config -mipv6 ON -mipagent CN

NS2 上的 RO 即是把 CN 當作 HA, 接收 BU, 然後作 tunnel 欲啟動 RO , 則在檔案最前頭宣告: Agent/MIPv6/MN set rt_opti_ 1 ; # 0 if routing optimization OFF

20th. Part: IPv6suite 的 IPProccessing 用的是 IPv4d 資料夾中的架構.

21th. Part: Mac 層要加入 0x86DD 代表 IPv6 訊息

一個有經驗的 Developer 對於剛接手的已存在的只有程式碼軟體開發專案，要能 了解這個軟體的架構是什麼至少要花數個小時，如果這個軟體專案有 Model Diagram，則這個 Developer 則很快就可以了解這個軟體架構。

一般而言 Diagramming Language 都應該提供下列資訊：

　‧Overall architecture of the system 　‧System dependencies 　‧Complexity 　‧Flow of information through a system 　‧Business requirements 　‧Database organization and structure 　‧Source code – including almost every aspect of object-oriented development 　‧Deployment configurations

一個軟體專案如果有使用 Visual Models，我們就能從比較高的層次去看這個 Project， 藉由從較高層次圖去找尋 Fine-Grained Diagram。 這樣的方法可以幫助 Architect 和 Engineer 直覺地 (Intuitively) 掌握住問題並解決它， 軟體問題容易掌握 ，時間自然縮短，品質自然提高。

18th. Part: NetworkLayer6.ned: disable OSPF, RSVP 原 protocolMapping = "6:0,17:1,1:2,2:3,46:4,89:5"; 表示 TCP (6):0, UDP (17):1, ICMP (1):2, IGMP (2):3, RSVP (46):4, OSPF (89):5 考慮到保證將來 DualStack 相容性，因此不更改原對應數字，而從後面再繼續補加.

暫時補加 ICMPv6 (58):2, ROUTING (43), MOBILITY (135) protocolMapping 後添上 58:6,43:7,135:8

• 應再找資料確認 Neighbor Discovery -- ND 模組是否應包含在 ICMPv6 模組裡

19th. Part: 照著 Winodws 步驟，以 TicToc10 為基礎編譯. OMNET++/Sample/INET6Test: 修改 IP6Datagram.msg 以通過 compiler.

這次是針對 "模擬" 來做修正:

• 因為 20 bits 不好宣告 (RFC 中是連 version, Traffic Class 一同宣告在一起), 因此 flow label 欄位訂的較 RFC 小 (20->16) (反正沒在用，應該沒什麼關係)
• 在訂 IPv6 options message struct 時，Padding 不加似乎也沒關係
• IP6FRAGMENT identification 欄位訂的較 RFC 小 (32->16)

目前採用方式 -> 全改用 int , short, long 來宣告，皆遠大於所需位元數

Review: Global Dynamic Home Agent Discovery on Mobile IPv6 Q1. 訊息流程一不一樣？ Ay: -> 原不需用 RR An: -> 模擬該重做

外: Paper 檢查注意:

• 規格: A4, 上下 30mm, 左右 20mm, 中間 8mm, 左右對齊。字高 10pt.* 圖片引用次序 * 參考引用次序 內: Problem solving:

1. Setup sample space2. Define probability law3. Identify event of interest4. Calculate... 原則:

• 先討論做某件事的老方法，

• 再和新解決方法建立關聯.

• 提案前先確定它有效，成功 提綱:

• 要有完整的 survey, 也就是完整的 view

• 針對某些很明確的問題來想出正確可靠的解決辦法，細節要想透及交待清楚

  1.  想解決什麼樣的問題
  

  2. 清楚地告訴大家有人是如何解決 3. 想解決問題的完整步驟是什麼 * 完整解決問題的方法及步驟 http://www.icce.org/authors_page/Summary%20Guide.htm

1. Outline: An author's contribution is of value to the reader only if the information is presented in a clear and well-organized way. Papers and summaries that follow an outline similar to that below are likely to provide readers with the best information as to their value.
2. Introduction. This section should provide the motivation for the paper. Why is this an interesting and important topic to which the reader should allocate time and effort? How does it differ from prior art? A brief description of the research and development process, and the results, should follow.
3. Review and overview. The author should describe the present state of knowledge and, if appropriate, provide references. This should lead to an overview of the new direction taken.
4. Development method/procedures. The methods and reasons for the design choices should be described in sufficient detail for readers to be able to judge the validity, reliability and general applicability of the results.
5. Results. Important results should be well summarized. More complete experimental results are expected in a paper than space allows in a summary. The results should be directly related to the topics presented in the introduction and in the overview of the new direction taken.
6. Conclusion. The final section should highlight the author's contribution. That is, what do we now know that we did not know before this paper was presented? It should also mention limitations of the work and provide suggestions for future improvement in this area.
7. References. A good paper lists references that support key statements and assumptions.